21364980
21,364,980 is an even composite number composed of six prime numbers multiplied together.
21364980 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21364980:
22 × 3 × 5 × 72 × 132 × 43
(2 × 2 × 3 × 5 × 7 × 7 × 13 × 13 × 43)See below for interesting mathematical facts about the number 21364980 from the Numbermatics database.
Names of 21364980
- Cardinal: 21364980 can be written as Twenty-one million, three hundred sixty-four thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 2.136498 × 107
Factors of 21364980
Divisors of 21364980
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 43 49 52 60 65 70 78 84 86 91 98 105 129 130 140 147 156 169 172 182 195 196 210 215 245 258 260 273 294 301 338 364 390 420 430 455 490 507 516 546 559 588 602 637 645 676 735 780 845 860 903 910 980 1014 1092 1118 1183 1204 1274 1290 1365 1470 1505 1677 1690 1806 1820 1911 2028 2107 2236 2366 2535 2548 2580 2730 2795 2940 3010 3185 3354 3380 3549 3612 3822 3913 4214 4515 4732 5070 5460 5590 5915 6020 6321 6370 6708 7098 7267 7644 7826 8281 8385 8428 9030 9555 10140 10535 11180 11739 11830 12642 12740 14196 14534 15652 16562 16770 17745 18060 19110 19565 21070 21801 23478 23660 24843 25284 27391 29068 31605 33124 33540 35490 36335 38220 39130 41405 42140 43602 46956 49686 50869 54782 58695 63210 70980 72670 78260 82173 82810 87204 99372 101738 109005 109564 117390 124215 126420 136955 145340 152607 164346 165620 203476 218010 234780 248430 254345 273910 305214 328692 356083 410865 436020 496860 508690 547820 610428 712166 763035 821730 1017380 1068249 1424332 1526070 1643460 1780415 2136498 3052140 3560830 4272996 5341245 7121660 10682490 21364980
- Sum of all divisors σ(n): 77105952
- Sum of proper divisors (its aliquot sum) s(n): 55740972
- 21364980 is an abundant number, because the sum of its proper divisors (55740972) is greater than itself. Its abundance is 34375992
Bases of 21364980
- Binary: 10100011000000000111101002
- Hexadecimal: 0x14600F4
- Base-36: CPXBO
Squares and roots of 21364980
- 21364980 squared (213649802) is 456462370400400
- 21364980 cubed (213649803) is 9752309414357137992000
-
The
square root of 21364980 is 4622.2267361089 -
The
cube root of 21364980 is 277.4815830649
Scales and comparisons
How big is 21364980?- 21,364,980 seconds is equal to 35 weeks, 2 days, 6 hours, 43 minutes.
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To count from 1 to 21,364,980 would take you about six 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 21364980 cubic inches would be around 23.1 feet tall.
Recreational maths with 21364980
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The information we have on file for 21364980 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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