21831012
21,831,012 is an even composite number composed of five prime numbers multiplied together.
21831012 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21831012:
22 × 33 × 7 × 67 × 431
(2 × 2 × 3 × 3 × 3 × 7 × 67 × 431)See below for interesting mathematical facts about the number 21831012 from the Numbermatics database.
Names of 21831012
- Cardinal: 21831012 can be written as Twenty-one million, eight hundred thirty-one thousand and twelve.
Scientific notation
- Scientific notation: 2.1831012 × 107
Factors of 21831012
Divisors of 21831012
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 67 84 108 126 134 189 201 252 268 378 402 431 469 603 756 804 862 938 1206 1293 1407 1724 1809 1876 2412 2586 2814 3017 3618 3879 4221 5172 5628 6034 7236 7758 8442 9051 11637 12068 12663 15516 16884 18102 23274 25326 27153 28877 36204 46548 50652 54306 57754 81459 86631 108612 115508 162918 173262 202139 259893 325836 346524 404278 519786 606417 779679 808556 1039572 1212834 1559358 1819251 2425668 3118716 3638502 5457753 7277004 10915506 21831012
- Sum of all divisors σ(n): 65802240
- Sum of proper divisors (its aliquot sum) s(n): 43971228
- 21831012 is an abundant number, because the sum of its proper divisors (43971228) is greater than itself. Its abundance is 22140216
Bases of 21831012
- Binary: 10100110100011101011001002
- Hexadecimal: 0x14D1D64
- Base-36: CZWX0
Squares and roots of 21831012
- 21831012 squared (218310122) is 476593084944144
- 21831012 cubed (218310123) is 10404509356532626993728
-
The
square root of 21831012 is 4672.3668520355 -
The
cube root of 21831012 is 279.4846472899
Scales and comparisons
How big is 21831012?- 21,831,012 seconds is equal to 36 weeks, 16 hours, 10 minutes, 12 seconds.
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To count from 1 to 21,831,012 would take you about two weeks!
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 21831012 cubic inches would be around 23.3 feet tall.
Recreational maths with 21831012
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The information we have on file for 21831012 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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