However this is classic and fun
Things that make you go Hmmm…
What is the world’s largest number?
In order to calculate massive quantities , American Edward Kasner coined the “googol”, which is a one followed by one hundred zero’s . But the “googolplex is now the largest number and is a one followed by a billion zeros, which allows us to calculate that the number of electrons passing through a forty-watt bulb in a minute roughly equals the number of drops of water flowing over Niagara Falls in a century.