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 Big Numbers Check out our page devoted to big numbers, the bigger the better! Have fun learning the names of some very large numbers that you don’t often hear used in everyday life. Find out just how big a septillion, octillion and nonillion are before moving on to the really huge numbers such as a googol, centillion and googolplex. See how long these numbers are and how they are written in words. Just how big are they? Read on and find out!

 1 = One 10 = Ten 100 = One hundred 1000 = One thousand 86400 = The number of seconds in a day 1000000 = One million 31556926 = The number of seconds in a year 1000000000 = One billion 7000000000 = The estimated human population on Earth (2011) 1000000000000 = One trillion 1000000000000000 = One quadrillion 1000000000000000000 = One quintillion 1000000000000000000000 = One sextillion 1000000000000000000000000 = One septillion 1000000000000000000000000000 = One octillion 1000000000000000000000000000000 = One nonillion 1000000000000000000000000000000000 = One decillion 1000000000000000000000000000000000000 = One undecillion 1000000000000000000000000000000000000000 = One duodecillion 1000000000000000000000000000000000000000000 = One tredecillion 1000000000000000000000000000000000000000000000 = One quattuordecillion 1000000000000000000000000000000000000000000000000 = One quindecillion 1000000000000000000000000000000000000000000000000000 = One sexdecillion 1000000000000000000000000000000000000000000000000000000 = One septendecillion 1000000000000000000000000000000000000000000000000000000000 = One octodecillion 1000000000000000000000000000000000000000000000000000000000000 = One novemdecillion 1000000000000000000000000000000000000000000000000000000000000000 = One vigintillion 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 = One googol (the number 1 followed by 100 zeros) 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 000000000000000000000000 = One centillion (the number 1 followed by 303 zeros) One googolplex = The number 1 followed by a googol zeros (there literally isn't enough room in the universe to write this number). While not really a number, ‘infinity’ refers to a limitless quantity and is represented by a symbol that looks like the number 8 placed on its side. Like our big numbers? Then check out some fun numbers!

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