A googol is the large number 10100, that is, the digit 1 followed by one hundred zeros in decimal representation.The term was coined in 1938 by Milton Sirotta (1929–1980), nephew of American mathematician Edward Kasner, when he was nine years old. Kasner popularized the concept in his book Mathematics and the Imagination (1940). A googol is of the same order of magnitude as the factorial of 70 (70! being approximately 1.198 googol, or 10 to the power 100.0784). In binary it would take up… (More on Googol)