What is a Googol?

A googol is the large number 10100, that is, the digit 1 followed by one hundred zeros: 10,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000,­000 The term was coined in 1938[1] by 9-year-old Milton Sirotta (1929–1981), nephew of American mathematician Edward Kasner. Kasner popularized the concept in his book Mathematics and the Imagination (1940). Source : http://en.wikipedia.org/wiki/Googol