A googol = 1.0 × 10 ^ 100, equivalent to número: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. 000Googol was coined by Milton Sirotta in 1938 with only 9 years old, nephew of American mathematician Edward Kasner. This mathematician published the term in his book "Mathematics and the imagination ".It is an excessively large number, even 1 googol is greater than the number of atoms in the universe.