31342981021
31,342,981,021 is an odd composite number composed of five prime numbers multiplied together.
31342981021 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 31342981021:
112 × 29 × 61 × 181 × 809
(11 × 11 × 29 × 61 × 181 × 809)See below for interesting mathematical facts about the number 31342981021 from the Numbermatics database.
Names of 31342981021
- Cardinal: 31342981021 can be written as Thirty-one billion, three hundred forty-two million, nine hundred eighty-one thousand and twenty-one.
Scientific notation
- Scientific notation: 3.1342981021 × 1010
Factors of 31342981021
Divisors of 31342981021
- Number of divisors d(n): 48
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Complete list of divisors:
1 11 29 61 121 181 319 671 809 1769 1991 3509 5249 7381 8899 11041 19459 21901 23461 49349 57739 97889 121451 146429 214049 258071 320189 542839 635129 1335961 1431121 1610719 2838781 3522079 4246441 5971229 8932169 15742331 17717909 38742869 46710851 98253859 173165641 259032901 513819361 1080792449 2849361911 31342981021
- Sum of all divisors σ(n): 36468759600
- Sum of proper divisors (its aliquot sum) s(n): 5125778579
- 31342981021 is a deficient number, because the sum of its proper divisors (5125778579) is less than itself. Its deficiency is 26217202442
Bases of 31342981021
- Binary: 111010011000010111111101111100111012
- Hexadecimal: 0x74C2FEF9D
- Base-36: EECSUXP
Squares and roots of 31342981021
- 31342981021 squared (313429810212) is 982382459282766202441
- 31342981021 cubed (313429810213) is 30790794776663046355488506872261
-
The
square root of 31342981021 is 177039.4900043491 -
The
cube root of 31342981021 is 3152.9234980555
Scales and comparisons
How big is 31342981021?- 31,342,981,021 seconds is equal to 996 years, 31 weeks, 4 days, 23 hours, 37 minutes, 1 second.
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To count from 1 to 31,342,981,021 would take you about one thousand, nine hundred ninety-three 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 31342981021 cubic inches would be around 262.7 feet tall.
Recreational maths with 31342981021
- 31342981021 backwards is 12018924313
- The number of decimal digits it has is: 11
- The sum of 31342981021's digits is 34
- More coming soon!
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