31921936137
31,921,936,137 is an odd composite number composed of four prime numbers multiplied together.
31921936137 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 31921936137:
34 × 7 × 13 × 1633
(3 × 3 × 3 × 3 × 7 × 13 × 163 × 163 × 163)See below for interesting mathematical facts about the number 31921936137 from the Numbermatics database.
Names of 31921936137
- Cardinal: 31921936137 can be written as Thirty-one billion, nine hundred twenty-one million, nine hundred thirty-six thousand, one hundred thirty-seven.
Scientific notation
- Scientific notation: 3.1921936137 × 1010
Factors of 31921936137
Divisors of 31921936137
- Number of divisors d(n): 80
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Complete list of divisors:
1 3 7 9 13 21 27 39 63 81 91 117 163 189 273 351 489 567 819 1053 1141 1467 2119 2457 3423 4401 6357 7371 10269 13203 14833 19071 26569 30807 44499 57213 79707 92421 133497 171639 185983 239121 345397 400491 557949 717363 1036191 1201473 1673847 2152089 2417779 3108573 4330747 5021541 7253337 9325719 12992241 15064623 21760011 27977157 30315229 38976723 56299711 65280033 90945687 116930169 168899133 195840099 272837061 350790507 394097977 506697399 818511183 1182293931 1520092197 2455533549 3546881793 4560276591 10640645379 31921936137
- Sum of all divisors σ(n): 59052568960
- Sum of proper divisors (its aliquot sum) s(n): 27130632823
- 31921936137 is a deficient number, because the sum of its proper divisors (27130632823) is less than itself. Its deficiency is 4791303314
Bases of 31921936137
- Binary: 111011011101011001000010111000010012
- Hexadecimal: 0x76EB21709
- Base-36: ENXHVK9
Squares and roots of 31921936137
- 31921936137 squared (319219361372) is 1019010006734706482769
- 31921936137 cubed (319219361373) is 32528772357949240244391908923353
-
The
square root of 31921936137 is 178667.1098355823 -
The
cube root of 31921936137 is 3172.2183630741
Scales and comparisons
How big is 31921936137?- 31,921,936,137 seconds is equal to 1,015 years, 6 days, 20 hours, 28 minutes, 57 seconds.
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To count from 1 to 31,921,936,137 would take you about two thousand and thirty 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 31921936137 cubic inches would be around 264.4 feet tall.
Recreational maths with 31921936137
- 31921936137 backwards is 73163912913
- The number of decimal digits it has is: 11
- The sum of 31921936137's digits is 45
- More coming soon!
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