1920A googol is 1 followed by 100 zeros.

Wacky WorldNumbers & Maths

The name was coined by a nine-year-old, Milton Sirotta, in 1920. Google’s name is a play on it.

Another wacky fact → All facts

Explore more Numbers & maths facts

A circle has the most area for its perimeter.111,111,111 × 111,111,111 = 12,345,678,987,654,321.In a room of 23 people, there is a 50% chance two share a birthday.