A googol is equal to a 1 followed by 100 zeros:


which can be written in a shorter form as

1010 X 10

or as


If you know what a googol is, can you guess what a googolplex is? It’s 10 to a googol…


Hat tip to The Almighty Googolplex – which also gives estimates of how long it would take to count from one to one million, one billion and one googol! “Carl Sagan explained (in COSMOS) that in order to write down the long form of a googolplex, you would need more paper than you could possibly stuff into the entire known universe!!!”

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