21307520
21,307,520 is an even composite number composed of four prime numbers multiplied together.
21307520 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21307520:
27 × 5 × 132 × 197
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 13 × 197)See below for interesting mathematical facts about the number 21307520 from the Numbermatics database.
Names of 21307520
- Cardinal: 21307520 can be written as Twenty-one million, three hundred seven thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.130752 × 107
Factors of 21307520
Divisors of 21307520
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 169 197 208 260 320 338 394 416 520 640 676 788 832 845 985 1040 1352 1576 1664 1690 1970 2080 2561 2704 3152 3380 3940 4160 5122 5408 6304 6760 7880 8320 10244 10816 12608 12805 13520 15760 20488 21632 25216 25610 27040 31520 33293 40976 51220 54080 63040 66586 81952 102440 108160 126080 133172 163904 166465 204880 266344 327808 332930 409760 532688 665860 819520 1065376 1331720 1639040 2130752 2663440 4261504 5326880 10653760 21307520
- Sum of all divisors σ(n): 55438020
- Sum of proper divisors (its aliquot sum) s(n): 34130500
- 21307520 is an abundant number, because the sum of its proper divisors (34130500) is greater than itself. Its abundance is 12822980
Bases of 21307520
- Binary: 10100010100100000100000002
- Hexadecimal: 0x1452080
- Base-36: COOZK
Squares and roots of 21307520
- 21307520 squared (213075202) is 454010408550400
- 21307520 cubed (213075203) is 9673835860395819008000
-
The
square root of 21307520 is 4616.0069324037 -
The
cube root of 21307520 is 277.2326023065
Scales and comparisons
How big is 21307520?- 21,307,520 seconds is equal to 35 weeks, 1 day, 14 hours, 45 minutes, 20 seconds.
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To count from 1 to 21,307,520 would take you about five 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 21307520 cubic inches would be around 23.1 feet tall.
Recreational maths with 21307520
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The information we have on file for 21307520 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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