Googol and Googolplex by Carl Sagan

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  • Опубліковано 22 січ 2025

КОМЕНТАРІ • 698

  • @salacioust6616
    @salacioust6616 7 років тому +137

    "Fortunately, there's a simpler, more precise way of writing a Googolplex."
    Guy who wrote Googolplex on paper roll: "GODDAMMIT!"

  • @Aramanth
    @Aramanth 9 років тому +123

    I like the elegant way Carl links his zeroes with a top line.

  • @dirrtydutch
    @dirrtydutch 10 років тому +30

    It's really cool how he draws his zeros connected - sweet math handwriting

  • @cardogkitchen4106
    @cardogkitchen4106 10 років тому +137

    "A googolplex is as precisely as far from infinity as is the number one." Mindblown.

    • @Punchadragon
      @Punchadragon 10 років тому +1

      lol i like ur profile i actually tried to swat the screen

    • @THENEWS01010101
      @THENEWS01010101 10 років тому +3

      Look up Graham's number and have your mind REALLY blown.

    • @oussahadd
      @oussahadd 7 років тому +11

      Graham's number is as precisely as far from infinity as is the number one :)

    • @lostn65
      @lostn65 4 роки тому +2

      and half of infinity is still infinity. You divide it by any number, or subtract any number from it and its size does not shrink.

    • @RCassinello
      @RCassinello 3 роки тому +1

      And if you consider that there is an infinite number of whole numbers, between each of those infinite whole numbers, there is an infinite number of fractions...

  • @stevel7192
    @stevel7192 8 років тому +11

    Carl still dropping knowledge. Thank you!!

  • @barkon
    @barkon 13 років тому +7

    Because it sticks in my head the most, I believe that this was the first episode of Cosmos I watched back in '80.
    It also introduced me to classical music. The Haydn Trumpet Concerto remains my favorite piece.
    Thanks, Dr. Sagan!

  • @greggblade810
    @greggblade810 9 років тому +23

    You keep believing, I'll keep evolving! awesome quote

  • @RodneyAllanPoe
    @RodneyAllanPoe 14 років тому +5

    Genius. I need to buy this series on DVD. I've forgotten how much pure intellectual gold is in it. Thanks asantos for the upload. I was laughing all the way through. Carl = legend x 10 ^ Googplex.

    • @Powerbandm
      @Powerbandm 2 роки тому

      It’s on Amazon for $35 🤘

  • @margarethillier9188
    @margarethillier9188 12 років тому +5

    RIP Carl Sagan. As a young person at the time, I found his series, Cosmos,to be thoroughly enthralling. It ignited in me an insatiable desire to learn about Science. He was a superlative teacher and one of the greatest minds of the 20th Century. A true genius.

  • @MagnusSkiptonLLC
    @MagnusSkiptonLLC 7 років тому +57

    Challenge accepted:
    A little while ago, I printed out the largest prime number (because I'm a big nerd) on standard 8.5x11 paper at 3-point font, with half-inch margins. Tiny, but still large enough to read by the naked eye (and large enough for the printer to print legibly). It took about 175 pages, front and back. The largest prime is 22,338,618 digits long, giving 22,338,618 digits / 175 pages.
    22,338,618 is 10^7.35, which means I need 10^92.65 times as many pages as before to print a googleplex. 175 pages x 10^92.65 is 10^94.89 pages. A single page is about 30 mm^3 in volume. Thus, this would require a volume of 30 mm^3 / page * 10^94.89 pages is 10^96.37 mm^3 total. One light-year is 9.46 x 10^18 mm, so that equates out to volume of 2.77 x 10^39 ly^3, which is a cube 140 TRILLION light-years on each side.
    If the stack of paper were the size of a house, the visible universe would be the size of a small marble. Can't be stuffed into the universe, indeed.

    • @jafmoveez2446
      @jafmoveez2446 6 років тому +8

      Thanks for your diligence but I'm guessing you don't have a girlfriend. Lol

    • @amirki3391
      @amirki3391 5 років тому

      @@jafmoveez2446 yeah, i also think so

    • @kishaloyb.7937
      @kishaloyb.7937 4 роки тому +14

      @@jafmoveez2446 girlfriend is temporary, knowledge is eternal xD

    • @harvindensunthirasekaran8288
      @harvindensunthirasekaran8288 3 роки тому

      This, this is an important comment

    • @TheSelfHelpTube
      @TheSelfHelpTube 3 роки тому

      @@kishaloyb.7937 Unless, perhaps, that knowledge is incomplete. We only have "known" largest prime numbers. There are msot certainly larger. Our friend here is very outdated already.

  • @ismaelirizarry7316
    @ismaelirizarry7316 11 років тому +44

    Ok, so, mindblown. Thanks. But still been trying to wrap my head around this for about two days now. So I opened an excel sheet and typed the number one. Then below it typed =A1*2 and dragged that formula to repeat itself to see how far it would go. After just the hundred trillions, excel gets lazy and just adds zeros to the back of the numbers and that's just 1*10^15. After 1*10^145 the numbers didn't fit on the screen and after 9*10^307 it just reads error. So I tried Word. typed a page of zeros at 8 pt font then copied and pasted it. Did that for 10 pages then copied and pasted that till 100 pages etc etc. After 20,000 pages I only have 150,000,000 zeros an that's just 1.5*10^8 and the computer takes almost two minutes to load a new paste.I love that I can put in a simple math idea and crash my computer.

  • @leandar
    @leandar 16 років тому +7

    I've always found Sagan's statement "A googolplex is precisely as far from infinity as is the number 1" to be a very profound statement.

  • @TJ413
    @TJ413 14 років тому +35

    "What do you do for a living?"
    "I work with Carl Sagan."
    "That must be cool."
    "He gave me a roll of paper and told me to write a googolplex on it."
    "Seriously?"
    "Yup. Worst. Boss. Ever."

  • @Volound
    @Volound 14 років тому

    @Spartank43x because he wasnt alluding to the googol with that, but the googolplex.

  • @Kariakas
    @Kariakas 13 років тому +3

    Cosmos, even if it is a few decades old, should be seen by all. What a wonderful series that provokes thought and logic. Carl Sagan was a great person influencing countless people. Much respect to him and those that follow in his footsteps like Neil Tyson Degrasse... wish our media would promote this stuff more instead of ignorance.

  • @anonymousmobster2444
    @anonymousmobster2444 4 роки тому +4

    This dude took: "Oh you like math? Then name every number." To the next fucking level

  • @nathanieliwata9260
    @nathanieliwata9260 9 років тому +14

    "Googol PLEXSSS"

  • @thomthumbe
    @thomthumbe 2 роки тому

    I’ve used this example (what is, and how large is a Googolplex) as a “nugget of thought” when teaching engineering courses. It never fails to blow a few minds in the classroom. Inevitably there is a student who smugly doubts the immensity of a Googolplex, and who promises to “come back tomorrow” with a better, more suitable way to write it down. They return for the next class and sheepishly admit they laid awake more than once trying to picture this number in their head only to gradually realize they are dealing with an incredible size that cannot be dealt with outside of the way/method DR Sagan provides.

  • @JimCampbell777
    @JimCampbell777 2 роки тому +1

    I recall this episode originally airing. The brain remembers when we learn strange words like Googolplex!

  • @caboose176545
    @caboose176545 11 років тому

    In case anyone was wondering (i know i was) the music is Haydn's trumpet concerto E flat 3rd mov

  • @Commentorio
    @Commentorio 15 років тому

    Couuld it be the same thing with lightspeed? As Carl Sagan explained in earlier episodes, you can only approach the speed of light, but you can never get there (as far as we know now). Maybe those are just the boundaries nature has set for us.

  • @ubernaffa
    @ubernaffa 14 років тому +1

    Everything this man says inspires me.

    • @seeker1620
      @seeker1620 3 роки тому

      If you are reading this comment how are you now

  • @jamesyoungblood6231
    @jamesyoungblood6231 10 днів тому

    Infinity is essentially 1 followed by INFINITE (Endless and without bound) number of zeros - meaning its theorectically impossible to out write out the number INFINITY. INFINITY is therefore symbolized by the sideward looking 8.

  • @franzbm
    @franzbm 14 років тому +1

    An all-seasons classic

  • @jafmoveez2446
    @jafmoveez2446 6 років тому +1

    Loved his work

  • @brianspruill5424
    @brianspruill5424 8 років тому +1

    I love how he says googol the first time. I watched "Cosmos" when I was a teenager. Brilliant man!

  • @PeterGeras
    @PeterGeras 12 років тому

    That explanation of Graham's number's size doesn't even begin to scratch the surface of it!

  • @anthonysevere
    @anthonysevere 2 роки тому

    When I was a kid in the 80’s, my father would sit me down to watch Sagan on PBS. We saw this specific episode on its original broadcast. The next school day I told my friends mom I had learned the word “googol,” and she told me to “Stop using baby talk.” It’s my dad’s favorite story about my youth and education.

  • @WhatIAm99
    @WhatIAm99 15 років тому

    Whenever Sagan's eyes meet the camera in this, or any other video, I feel supremely inadequate.
    Such a monument to modern science.
    RIP

  • @Hubs88
    @Hubs88 10 років тому +7

    Infinity gives us an endless source of amazement LOL.

  • @Xanatos712
    @Xanatos712 13 років тому

    What's larger: a Googolplex or Graham's Number? My mind is too small to even consider the notion of thinking of dreaming about coming up with an idea of a method to develop a way of thinking about pondering the conception of a thought to start deciphering a way to even begin considering calculating the first few digits of either of these numbers.

  • @A1R5N1P3R
    @A1R5N1P3R 11 років тому +34

    googol > google

  • @shadowlesswarrior
    @shadowlesswarrior Рік тому

    I remember watching this episode as a kid, it really got stuck in my head.

  • @1ordmorgu1
    @1ordmorgu1 15 років тому

    FYI that number would be much more than 100,000 zeros following the 1. 100,000 zeros is 10^5^1 which is much less than even 10^10^1, much less 10^10^10.

  • @dashboardforfire
    @dashboardforfire 15 років тому

    i love the way he writes his zeros.

  • @gerrymoran1
    @gerrymoran1 13 років тому

    The most compelling response to the futility of writing out a googolplex would be to say, "Well why not make the zeros really small or write on incredibly thin paper".....until you do the math. The known Universe is ~ 10^78 m3. If we were to divide it up into a googol boxes, a box for each zero, then each box would be ~ 10^-22m3. That's roughly the size of a hydrogen atom. Put another way you could just about cram a googol H atoms into the known universe with no spaces in between.

  • @MrSagelel
    @MrSagelel 11 років тому

    could you write out the zeroes please?

  • @JamesCarmichael
    @JamesCarmichael 12 років тому

    If Graham's Number is so long then how is anyone supposed to ring him?

  • @Maddolis
    @Maddolis 12 років тому +1

    Absolutely, it's very baffling but I'd love to find out some of this stuff.

  • @pmarceau
    @pmarceau 11 років тому +1

    How can you say any number larger than one is the exact same distance from infinity?
    Like he said even though a googol plex is large 1 is exactly the same distance from infinity.
    It is exactly 1 googol plex -1 closer. But infinity isn't any closer.
    hey! I just answered my own question but it is still a paradox.

  • @MeganVictoriaKearns
    @MeganVictoriaKearns 2 роки тому +2

    I could listen to Carl Sagan's voice forever. Don't even care what he is saying. Well, I prefer he speak about science, but I'd take whatever!

  • @94thts
    @94thts 14 років тому

    Why would you want to make a number like the googolplex? What is the use of it? If the number of elementary particles in the universe is "only" 10^80, why would you make a number as big as 10^10^100?

  • @WarrenGreig
    @WarrenGreig 14 років тому

    Is that Cambridge (UK) where he tries to unfurl the roll of paper?

  • @Chimerasame
    @Chimerasame 15 років тому

    Does MS Word have some kind of internal compression algorithm? It seems to me that to write it in a text file, it'd require a googol bytes, which is a substantially larger amount of storage.

  • @shagster1970
    @shagster1970 15 років тому

    So then what was the point of the googel number? Was he actually using it for anything?

  • @UltrasabersVideos
    @UltrasabersVideos 16 років тому

    Evolutionary Theory fully rejects the concept of irreducible complexity, whereas ID is dependent on it.
    There's your paradox. How do you reconcile acceptance of both?

  • @targettmark88
    @targettmark88 13 років тому

    So it's 1 with how many zeros after the first digit ???

  • @tacospartan
    @tacospartan 13 років тому

    Is a Googolplex a 1 followed by a 1 and a 100 zeroes?

  • @TheDeathofGrace
    @TheDeathofGrace 14 років тому

    @teejayandjon i know right.. i was wondering who put those zeros on the paper. you know sagan didnt do it.

  • @RestInPieces777
    @RestInPieces777 14 років тому

    How do we know how many elementary particles are in the entire universe?

  • @sfasfads
    @sfasfads 14 років тому +2

    "The total number of elementary particles ... in the accessable universe is of the order of 10^80." I'd love to see the calculations on that one.

  • @hooah68
    @hooah68 15 років тому

    anyone recognize where this was shot at?

  • @Videos4theabsurd
    @Videos4theabsurd 11 років тому

    I like how he wrote his zeros.

  • @artistsandbox
    @artistsandbox 14 років тому

    @TensorKhan Just think, the number of zeros written would exceed the number of elementary particles in the universe by a factor of a googol minus 80.

  • @SiliconBong
    @SiliconBong 12 років тому

    Are those BloodAngels on the table in front of Carl when he writes the googleplex?

  • @tomthecool
    @tomthecool 13 років тому

    @kaneda956 A duotrigintillion is the name given to 10^99 - so using the same common system, 10^100 is equal to ten duotrigintillion. A "googol" is just a simpler, more commonly used name for this same number

  • @gentrywalker
    @gentrywalker 15 років тому

    I Tried in MS Word to get a Googolplex using copy and paste, but I only got around 30,500,000 zeros.

  • @finnsimppi
    @finnsimppi 14 років тому

    Need some help here, I'm not sure I understand this correctly. If I would write down a googol and then exchange every zero with a googol, would that be a googolplex?
    Complex stuff, that's for sure.

  • @CoolCat123450
    @CoolCat123450 13 років тому

    Even though googolplexian is longer?

  • @Sanzaru123
    @Sanzaru123 15 років тому

    when your dead, your dead, you are exactly like everything and everyone around you. without the little particles and atoms in your head to know what was going on,you would be like you were before you were born,unable to think, unable to know, unable to do anything. we are equal to this universe, we are nothing special.we are like the plants, the animals, and the planets. we are just parts of this amazing and beautiful universe. and we are able to have the gift to know how it works. -Carl Sagan

  • @SiliconBong
    @SiliconBong 12 років тому

    You have earned my subscription for knowing about elocution, not a word commonly used in the smoko room at my place of work : )

  • @JAD3889
    @JAD3889 15 років тому

    @takkie23 The time it would take to write such a number also renders the task implausible: if a person can write two digits per second, it would take around about 1.51 × 1092 years, which is 1.1 × 1082 times the age of the universe, to write a googolplex.

  • @jasonhsu4711
    @jasonhsu4711 23 дні тому

    I wonder what went into making the googolplex scene at Cambridge University in England. I got a kick out of seeing that long roll of paper draped over the parked bicycles and watching someone pushing a payload of something stepping over that paper.
    I'm guessing that this scene was filmed during a break, because I just cannot imagine the logistics that would be required to do this when classes or exams are going on.

  • @SiliconBong
    @SiliconBong 12 років тому +1

    Agent Smith took elocution lessons from CarlSagan.

  • @SuperflyGaming
    @SuperflyGaming 12 років тому

    Grahams number is equally as close to infinite as a Googolplex as 1 as well.
    I think its amazing though that Grahams number ends with a 7, so no matter how much time it would take to write it, you would eventually in a seemingly incredibly long time finish writing it.
    But in the time it would take you to write that, you could write it again a Grahams number amount of times and still at that point be as close to infinite as Grahams number, Googolplex and indeed.... ONE.

  • @jkljklmam
    @jkljklmam 14 років тому

    whats a googolplex to the power of googolplex?

  • @charliebell01
    @charliebell01 14 років тому

    in school this might bore me, with sagan its a great journey to knowledge

  • @gbessone
    @gbessone 14 років тому

    I love how this guy speaks.

  • @dudeinoakland
    @dudeinoakland 15 років тому

    Does anyone know which university he is at in this video?

  • @sergio.vargas444
    @sergio.vargas444 13 років тому

    Carl always makes me learn new things, man

  • @PimpMasterT
    @PimpMasterT 7 років тому

    His marker is so inky....i love it.

  • @chrissmith123100
    @chrissmith123100 13 років тому

    @drmoroe30 "Grahams Number" drawfs a Googolplex and it has been used in a practical mathematical calculation.. though im not sure what it calculates. Noone knows the full value of Grahams Number... only the last few thousand digits (not the first digits)

  • @steviebboy69
    @steviebboy69 7 років тому

    I am sure I read or saw on another UA-cam channel that a larger number was something like Aleph Null? If i said that word correctly.

  • @Captain-Cardboard
    @Captain-Cardboard 5 місяців тому

    _A number one followed by one hundred zeroes is known by what name?_ is the question that won Charles Ingram a one followed by six zeroes (in pound sterling), after a great deal of prevaricating.
    I knew the answer instantly, having watched _Cosmos_ some twenty years previously.
    Of course it didn't do him much good, as he soon had it taken away from him.

  • @Namrhof
    @Namrhof 12 років тому

    Im surprise no one has typed on out yet. would take a while but it can actually be done, unless for some ungodly reason the file size would be way too big lol

  • @drmoroe30
    @drmoroe30 13 років тому

    Why even have a number that is way larger than everything in the universe? When would one even use a number that large in practical calculations?

  • @soroushbahrami438
    @soroushbahrami438 2 роки тому

    I clicked on this video only to hear Carl Sagan say "GOOGOL"

  • @HarrLinda
    @HarrLinda 14 років тому

    Dr. Sagan had a sense of humor, didn't he? Such a genius. I would have loved to been in his class he taught at Cambridge University in ithica, New York. I understand that his classes had wait lists after his show aired! Would'nt that have been cool to have had Carl for a teacher!? Great things he tried to teach us!

    • @jimgriffith2859
      @jimgriffith2859 3 роки тому

      That's Cornell University in Ithaca NY. Cambridge is in the UK.

  • @nn101198
    @nn101198 12 років тому

    What about infinity?

  • @LymanJohnsonWork
    @LymanJohnsonWork 13 років тому

    @vskynet This question is difficult to understand.
    Are you asking if zero equals other numbers? No.
    Your mistake seems to be that you think you can somehow "divide" a digit of a larger number of existence as if it were a multiplication.
    You can't.
    10 does not equal 1 times 0, it equals ten.

  • @GrandSupremeDaddyo
    @GrandSupremeDaddyo 13 років тому

    The video cut out suddenly because the guy they got to write out the googolplex ran in and punched Sagan.

  • @nn101198
    @nn101198 12 років тому

    It's not a real number but it's still a number. And if you don't like infinity, what about Graham's Number?

  • @Cheedillow
    @Cheedillow 12 років тому

    Well I'm assuming if someone asks you what the largest number you know is they expect an answer where you can actually specify the number.

  • @mikev137
    @mikev137 15 років тому

    @crocfme no he said that the number of atoms in the known universe was 10 to the 80th power... less than a Googol and by far less than a googolplex...

  • @Maddolis
    @Maddolis 12 років тому

    ...if we assume that there are another 250b galaxies (so, 500 billion galaxies in total, as some German scientists' supercomputer concluded recently), then that number only changes to 4.374 * 10^84 atoms. Assuming there are 300 particles in an atom, then you have ~1.31 * 10^87 particles in the Universe.
    Very approximate obviously, as there's no constant number of particles per atom, plus 500b galaxies isn't a confirmed number, and I assumed that all galaxies are the same size as the Milky Way...

  • @greghendrix6073
    @greghendrix6073 12 років тому

    The Googlexplex article on Wikipedia has a fairly good demonstration of that.

  • @victorialazareva
    @victorialazareva 11 років тому

    what a fancy way to write zeroes! :)

  • @JimCampbell777
    @JimCampbell777 2 роки тому

    How come a Googol Plex is 10^10^100 and NOT 10^100^100 ???

  • @minimalrho
    @minimalrho 14 років тому

    Exponentiation is notably not associative, 10^10^100 can have two radically different meanings. (10^10)^100=10^1000, which would be 1 followed by a thousand zeros. But a googolplex is 10^(10^100).

  • @MisterrLi
    @MisterrLi 14 років тому

    Faultered in the end; 10^10^100 is not a googolplex, it is merely 10000000000^100. He should have used parentheses around the last numbers.

  • @gsfcdy
    @gsfcdy 12 років тому

    How about grahams number

  • @anticorncob6
    @anticorncob6 13 років тому

    @Zarrykotter I mean 2^GOOGOL not 2^googolplex that has too many digits... LOL

  • @kaneda956
    @kaneda956 13 років тому

    ok i dont get it why the hell does mighty number say the number is called ten duotrigintillion and not googol?? i typed in 1 followed by 100 zeroes??? :(

  • @joaoqualquer3615
    @joaoqualquer3615 9 років тому

    Music at 2:06?

    • @mariaisabelparra129
      @mariaisabelparra129 8 років тому

      Haydn - Trumpet Concerto In E Flat

    • @mariaisabelparra129
      @mariaisabelparra129 8 років тому

      Neste site existe uma lista quase completa das músicas da série Cosmos: cosmic_voyager.tripod.com/cosmosindex.htm

  • @00BillyTorontoBill
    @00BillyTorontoBill 14 років тому

    @Flopieto
    Because infinity goes on forever.....there is even a number called a Flopieto. And even a OOBilly. Both make a googlplex seem like the amount of interest Banks pay customers.

  • @TheZerothDegree
    @TheZerothDegree 14 років тому

    @lzoli18B
    It was a joke - he said "we STARTED to write it". Remember a googol is MANY times greater than the number of elementary particles in the known universe, and a googolplex is 10 to the POWER of that many. So it's 1 followed by more zeroes than there are particles in the known universe.

  • @tadeuk2k
    @tadeuk2k 15 років тому

    the googlolplex is unthinkable

  • @ManUntdFCfan
    @ManUntdFCfan 13 років тому

    @quiz0walkthroughs, he didn't actually write a googolplex on that paper

  • @mtran30
    @mtran30 3 роки тому +1

    Reminded of this video after watching Squid Game.

  • @lzoli18B
    @lzoli18B 14 років тому

    "a piece of paper large enough to contain all the zeroes in a googolplex couldn't be stuffed into the known universe"
    I don't get it. Isn't that what he exactly did on the rolling paper? or was he short a few billion zeroes?