20721491037
20,721,491,037 is an odd composite number composed of three prime numbers multiplied together.
20721491037 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of seventy divisors.
Prime factorization of 20721491037:
34 × 136 × 53
(3 × 3 × 3 × 3 × 13 × 13 × 13 × 13 × 13 × 13 × 53)See below for interesting mathematical facts about the number 20721491037 from the Numbermatics database.
Names of 20721491037
- Cardinal: 20721491037 can be written as Twenty billion, seven hundred twenty-one million, four hundred ninety-one thousand and thirty-seven.
Scientific notation
- Scientific notation: 2.0721491037 × 1010
Factors of 20721491037
Divisors of 20721491037
- Number of divisors d(n): 70
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Complete list of divisors:
1 3 9 13 27 39 53 81 117 159 169 351 477 507 689 1053 1431 1521 2067 2197 4293 4563 6201 6591 8957 13689 18603 19773 26871 28561 55809 59319 80613 85683 116441 177957 241839 257049 349323 371293 725517 771147 1047969 1113879 1513733 2313441 3143907 3341637 4541199 4826809 9431721 10024911 13623597 14480427 19678529 30074733 40870791 43441281 59035587 122612373 130323843 177106761 255820877 390971529 531320283 767462631 1593960849 2302387893 6907163679 20721491037
- Sum of all divisors σ(n): 34166566962
- Sum of proper divisors (its aliquot sum) s(n): 13445075925
- 20721491037 is a deficient number, because the sum of its proper divisors (13445075925) is less than itself. Its deficiency is 7276415112
Bases of 20721491037
- Binary: 100110100110001100011011100010111012
- Hexadecimal: 0x4D318DC5D
- Base-36: 9IP1GT9
Squares and roots of 20721491037
- 20721491037 squared (207214910372) is 429380190796471335369
- 20721491037 cubed (207214910373) is 8897397775054430667076154587653
-
The
square root of 20721491037 is 143949.6128407437 -
The
cube root of 20721491037 is 2746.6732680935
Scales and comparisons
How big is 20721491037?- 20,721,491,037 seconds is equal to 658 years, 45 weeks, 5 days, 1 hour, 43 minutes, 57 seconds.
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To count from 1 to 20,721,491,037 would take you about one thousand, three hundred seventeen 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 20721491037 cubic inches would be around 228.9 feet tall.
Recreational maths with 20721491037
- 20721491037 backwards is 73019412702
- The number of decimal digits it has is: 11
- The sum of 20721491037's digits is 36
- More coming soon!
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