21520989200
21,520,989,200 is an even composite number composed of five prime numbers multiplied together.
21520989200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21520989200:
24 × 52 × 53 × 197 × 5153
(2 × 2 × 2 × 2 × 5 × 5 × 53 × 197 × 5153)See below for interesting mathematical facts about the number 21520989200 from the Numbermatics database.
Names of 21520989200
- Cardinal: 21520989200 can be written as Twenty-one billion, five hundred twenty million, nine hundred eighty-nine thousand, two hundred.
Scientific notation
- Scientific notation: 2.15209892 × 1010
Factors of 21520989200
Divisors of 21520989200
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 197 200 212 265 394 400 424 530 788 848 985 1060 1325 1576 1970 2120 2650 3152 3940 4240 4925 5153 5300 7880 9850 10306 10441 10600 15760 19700 20612 20882 21200 25765 39400 41224 41764 51530 52205 78800 82448 83528 103060 104410 128825 167056 206120 208820 257650 261025 273109 412240 417640 515300 522050 546218 835280 1015141 1030600 1044100 1092436 1365545 2030282 2061200 2088200 2184872 2731090 4060564 4176400 4369744 5075705 5462180 6827725 8121128 10151410 10924360 13655450 16242256 20302820 21848720 25378525 27310900 40605640 50757050 53802473 54621800 81211280 101514100 107604946 109243600 203028200 215209892 269012365 406056400 430419784 538024730 860839568 1076049460 1345061825 2152098920 2690123650 4304197840 5380247300 10760494600 21520989200
- Sum of all divisors σ(n): 52957411848
- Sum of proper divisors (its aliquot sum) s(n): 31436422648
- 21520989200 is an abundant number, because the sum of its proper divisors (31436422648) is greater than itself. Its abundance is 9915433448
Bases of 21520989200
- Binary: 101000000101100000000111100000100002
- Hexadecimal: 0x502C03C10
- Base-36: 9VX1HJK
Squares and roots of 21520989200
- 21520989200 squared (215209892002) is 463152976146516640000
- 21520989200 cubed (215209892003) is 9967510197597042227060288000000
-
The
square root of 21520989200 is 146700.3381045865 -
The
cube root of 21520989200 is 2781.5534509115
Scales and comparisons
How big is 21520989200?- 21,520,989,200 seconds is equal to 684 years, 15 weeks, 4 days, 12 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,520,989,200 would take you about one thousand, three hundred sixty-eight years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21520989200 cubic inches would be around 231.8 feet tall.
Recreational maths with 21520989200
- 21520989200 backwards is 00298902512
- The number of decimal digits it has is: 11
- The sum of 21520989200's digits is 38
- More coming soon!
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The information we have on file for 21520989200 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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