10 to the 21st power is called one sextillion.
1021= 1,000,000,000,000,000,000,000
1000 Quintillion = 1 Sextillion = 1,000,000,000,000,000,000,000 = 10 to the 21st power http://en.wikipedia.org/wiki/Names_of_large_numbers
tredecillion
Gobol I'm not certain from where this answer is derived but 10 to the 36th power in the U. S. is called: Undecillion
10 to the 21st power is called one sextillion.
1021= 1,000,000,000,000,000,000,000
10 to the 63rd power
The 21st of march
476837158203125.
1000 Quintillion = 1 Sextillion = 1,000,000,000,000,000,000,000 = 10 to the 21st power http://en.wikipedia.org/wiki/Names_of_large_numbers
20 zeroes: 2.5 × 1021 written in regular notation is 2,500,000,000,000,000,000,000
-10
5 to the 21st power
Ten billion.
2.0 x 1021 we can use scientific notation to solve this. It's going to be a long number. The answer is: 2,000,000,000,000,000,000,000.
1e42