21125988
21,125,988 is an even composite number composed of five prime numbers multiplied together.
21125988 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 21125988:
22 × 33 × 13 × 41 × 367
(2 × 2 × 3 × 3 × 3 × 13 × 41 × 367)See below for interesting mathematical facts about the number 21125988 from the Numbermatics database.
Names of 21125988
- Cardinal: 21125988 can be written as Twenty-one million, one hundred twenty-five thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1125988 × 107
Factors of 21125988
Divisors of 21125988
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 27 36 39 41 52 54 78 82 108 117 123 156 164 234 246 351 367 369 468 492 533 702 734 738 1066 1101 1107 1404 1468 1476 1599 2132 2202 2214 3198 3303 4404 4428 4771 4797 6396 6606 9542 9594 9909 13212 14313 14391 15047 19084 19188 19818 28626 28782 30094 39636 42939 45141 57252 57564 60188 85878 90282 128817 135423 171756 180564 195611 257634 270846 391222 406269 515268 541692 586833 782444 812538 1173666 1625076 1760499 2347332 3520998 5281497 7041996 10562994 21125988
- Sum of all divisors σ(n): 60587520
- Sum of proper divisors (its aliquot sum) s(n): 39461532
- 21125988 is an abundant number, because the sum of its proper divisors (39461532) is greater than itself. Its abundance is 18335544
Bases of 21125988
- Binary: 10100001001011011011001002
- Hexadecimal: 0x1425B64
- Base-36: CKSX0
Squares and roots of 21125988
- 21125988 squared (211259882) is 446307368976144
- 21125988 cubed (211259883) is 9428684121301590430272
-
The
square root of 21125988 is 4596.3015566867 -
The
cube root of 21125988 is 276.4430502259
Scales and comparisons
How big is 21125988?- 21,125,988 seconds is equal to 34 weeks, 6 days, 12 hours, 19 minutes, 48 seconds.
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To count from 1 to 21,125,988 would take you about two days!
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 21125988 cubic inches would be around 23 feet tall.
Recreational maths with 21125988
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The information we have on file for 21125988 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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