A Googol is already bigger than the number of elementary particles in the known Universe, but then there is the Googolplex. It is 1 followed by Googol zeros.
Correspondingly, how many zeros are in a googolplex number?
Googol: A very large number! A "1" followed by one hundred zeros. Googolplex: The world's second largest number with a name. A "1" followed by a googol of zeros.
What is the largest number known to man?
The largest number that has a commonly-known specific name is a "googleplex", which is a 1 followed by a googol zeros, where a "googol" is (a 1 followed by 100 zeros).
How many zeros are in a quintillion?
Billion 1,000,000,000 (9 zeros)
Trillion 1,000,000,000,000 (12 zeros)
Quadrillion 1,000,000,000,000,000 (15 zeros)
Quintillion 1,000,000,000,000,000,000 (18 zeros)
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