from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The number 10 raised to the power googol, written out as the numeral 1 followed by 10100 zeros.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The number , ten to the power of a googol

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a cardinal number represented as 1 followed by a googol of zeros (ten raised to the power of a googol)


googol + -plex (as in duplex).
(American Heritage® Dictionary of the English Language, Fourth Edition)



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  • Actually, mathematically speaking, you can view this number as tiny. Now Skewes number, that's freaking huge.

    February 26, 2008

  • Why thank you, gangerh. And great pun!

    February 24, 2008

  • Great googolplexplanation, TSB.

    February 24, 2008

  • You see, Googol is a number with one hundred zero's (you know, a million has 6 zero's a hundred has 2... well this one has 100). But Googolplex is a number with GOOGOL zero's. Also, if you tried to write googolplex down (the number, not the word), - even if each digit was the size of an ATOM - then it wouldn't fit inside the UNIVERSE. Impressive, eh?

    February 23, 2008

  • 10googol

    October 8, 2007