21514920
21,514,920 is an even composite number composed of five prime numbers multiplied together.
21514920 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 21514920:
23 × 3 × 5 × 72 × 3659
(2 × 2 × 2 × 3 × 5 × 7 × 7 × 3659)See below for interesting mathematical facts about the number 21514920 from the Numbermatics database.
Names of 21514920
- Cardinal: 21514920 can be written as Twenty-one million, five hundred fourteen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.151492 × 107
Factors of 21514920
Divisors of 21514920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 3659 5880 7318 10977 14636 18295 21954 25613 29272 36590 43908 51226 54885 73180 76839 87816 102452 109770 128065 146360 153678 179291 204904 219540 256130 307356 358582 384195 439080 512260 537873 614712 717164 768390 896455 1024520 1075746 1434328 1536780 1792910 2151492 2689365 3073560 3585820 4302984 5378730 7171640 10757460 21514920
- Sum of all divisors σ(n): 75103200
- Sum of proper divisors (its aliquot sum) s(n): 53588280
- 21514920 is an abundant number, because the sum of its proper divisors (53588280) is greater than itself. Its abundance is 32073360
Bases of 21514920
- Binary: 10100100001001010101010002
- Hexadecimal: 0x1484AA8
- Base-36: CT50O
Squares and roots of 21514920
- 21514920 squared (215149202) is 462891782606400
- 21514920 cubed (215149203) is 9959079671434087488000
-
The
square root of 21514920 is 4638.4178337015 -
The
cube root of 21514920 is 278.1291948195
Scales and comparisons
How big is 21514920?- 21,514,920 seconds is equal to 35 weeks, 4 days, 22 minutes.
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To count from 1 to 21,514,920 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 21514920 cubic inches would be around 23.2 feet tall.
Recreational maths with 21514920
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The information we have on file for 21514920 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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