21005231520
21,005,231,520 is an even composite number composed of eight prime numbers multiplied together.
21005231520 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21005231520:
25 × 3 × 5 × 7 × 13 × 37 × 41 × 317
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 13 × 37 × 41 × 317)See below for interesting mathematical facts about the number 21005231520 from the Numbermatics database.
Names of 21005231520
- Cardinal: 21005231520 can be written as Twenty-one billion, five million, two hundred thirty-one thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.100523152 × 1010
Factors of 21005231520
Divisors of 21005231520
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 37 39 40 41 42 48 52 56 60 65 70 74 78 80 82 84 91 96 104 105 111 112 120 123 130 140 148 156 160 164 168 182 185 195 205 208 210 222 224 240 246 259 260 273 280 287 296 312 317 328 336 364 370 390 410 416 420 444 455 480 481 492 518 520 533 546 555 560 574 592 615 624 634 656 672 728 740 777 780 820 840 861 888 910 951 962 984 1036 1040 1066 1092 1110 1120 1148 1184 1230 1248 1268 1295 1312 1365 1435 1443 1456 1480 1517 1554 1560 1585 1599 1640 1680 1722 1776 1820 1902 1924 1968 2072 2080 2132 2184 2219 2220 2296 2405 2460 2536 2590 2665 2730 2870 2886 2912 2960 3034 3108 3120 3170 3198 3280 3360 3367 3444 3552 3640 3731 3804 3848 3885 3936 4121 4144 4264 4305 4368 4438 4440 4551 4592 4755 4810 4920 5072 5180 5330 5460 5740 5772 5920 6068 6216 6240 6340 6396 6560 6657 6734 6888 7215 7280 7462 7585 7608 7696 7770 7995 8242 8288 8528 8610 8736 8876 8880 9102 9184 9510 9620 9840 10101 10144 10360 10619 10660 10920 11095 11193 11480 11544 11729 12136 12363 12432 12680 12792 12997 13314 13468 13776 14430 14560 14924 15170 15216 15392 15540 15990 16484 16835 17056 17220 17752 17760 18204 18655 19020 19240 19680 19721 20202 20605 20720 21238 21320 21840 22190 22386 22755 22960 23088 23458 24272 24726 24864 25360 25584 25994 26628 26936 27552 28847 28860 29848 30340 30432 31080 31857 31980 32968 33285 33670 34440 35187 35504 36408 37310 38040 38480 38991 39442 40404 41210 41440 42476 42640 43680 44380 44772 45510 45920 46176 46916 48544 49452 50505 50720 51168 51988 53095 53256 53872 55965 57694 57720 58645 59163 59696 60680 61815 62160 63714 63960 64985 65936 66570 67340 68880 70374 71008 72816 74620 76080 76960 77982 78884 80808 82103 82420 84952 85280 86541 88760 89544 90979 91020 93832 98605 98904 101010 103976 106190 106512 107744 111930 115388 115440 117290 118326 119392 121360 123630 124320 127428 127920 129970 131872 133140 134680 137760 138047 140748 144235 145632 149240 152160 152477 155964 157768 159285 161616 164206 164840 168961 169904 173082 175935 177520 179088 181958 182040 187664 194955 197210 197808 202020 207952 212380 213024 223860 230776 230880 234580 236652 242720 246309 247260 254856 255840 259940 266280 269360 272937 276094 281496 288470 295815 298480 304954 311928 315536 318570 323232 328412 329680 337922 339808 346164 351870 355040 358176 363916 364080 375328 389910 394420 395616 404040 410515 414141 415904 424760 432705 447720 454895 457431 461552 469160 473304 480889 492618 494520 506883 509712 519880 532560 538720 545874 552188 562992 576940 591630 596960 609908 623856 631072 637140 656824 659360 675844 690235 692328 703740 727832 728160 762385 779820 788840 808080 821030 828282 844805 849520 865410 895440 909790 914862 923104 938320 946608 961778 985236 989040 1013766 1019424 1039760 1065120 1067339 1091748 1104376 1125984 1153880 1182727 1183260 1219816 1231545 1247712 1274280 1313648 1351688 1364685 1380470 1384656 1407480 1442667 1455664 1524770 1559640 1577680 1616160 1642060 1656564 1689610 1699040 1730820 1790880 1819580 1829724 1876640 1893216 1923556 1970472 1978080 2027532 2070705 2079520 2134678 2183496 2208752 2287155 2307760 2365454 2366520 2404445 2439632 2463090 2534415 2548560 2627296 2703376 2729370 2760940 2769312 2814960 2885334 2911328 3049540 3119280 3155360 3202017 3284120 3313128 3366223 3379220 3461640 3548181 3639160 3659448 3847112 3940944 4055064 4141410 4269356 4366992 4417504 4574310 4615520 4730908 4733040 4808890 4879264 4926180 5068830 5097120 5336695 5406752 5458740 5521880 5629920 5770668 5913635 6099080 6238560 6251557 6404034 6568240 6626256 6732446 6758440 6923280 7096362 7213335 7278320 7318896 7694224 7881888 8110128 8282820 8538712 8733984 9148620 9461816 9466080 9617780 9852360 10098669 10137660 10673390 10917480 11043760 11541336 11827270 12198160 12503114 12808068 13136480 13252512 13464892 13516880 13846560 14192724 14426670 14556640 14637792 15388448 16010085 16220256 16565640 16831115 17077424 17740905 18297240 18754671 18923632 19235560 19704720 20197338 20275320 21346780 21834960 22087520 23082672 23654540 24396320 25006228 25616136 26929784 27033760 28385448 28853340 31257785 32020170 33131280 33662230 34154848 35481810 36594480 37509342 37847264 38471120 39409440 40394676 40550640 42693560 43669920 43760899 46165344 47309080 50012456 50493345 51232272 53859568 56770896 57706680 62515570 64040340 66262560 67324460 70963620 73188960 75018684 76942240 80789352 81101280 85387120 87521798 93773355 94618160 100024912 100986690 102464544 107719136 113541792 115413360 125031140 128080680 131282697 134648920 141927240 150037368 161578704 170774240 175043596 187546710 189236320 200049824 201973380 218804495 230826720 250062280 256161360 262565394 269297840 283854480 300074736 323157408 350087192 375093420 403946760 437608990 500124560 512322720 525130788 538595680 567708960 600149472 656413485 700174384 750186840 807893520 875217980 1000249120 1050261576 1312826970 1400348768 1500373680 1615787040 1750435960 2100523152 2625653940 3000747360 3500871920 4201046304 5251307880 7001743840 10502615760 21005231520
- Sum of all divisors σ(n): 85946821632
- Sum of proper divisors (its aliquot sum) s(n): 64941590112
- 21005231520 is an abundant number, because the sum of its proper divisors (64941590112) is greater than itself. Its abundance is 43936358592
Bases of 21005231520
- Binary: 100111001000000001001100101101000002
- Hexadecimal: 0x4E40265A0
- Base-36: 9NDZ0DC
Squares and roots of 21005231520
- 21005231520 squared (210052315202) is 441219751208801510400
- 21005231520 cubed (210052315203) is 9267923025337675587677687808000
-
The
square root of 21005231520 is 144931.8167967269 -
The
cube root of 21005231520 is 2759.1532584229
Scales and comparisons
How big is 21005231520?- 21,005,231,520 seconds is equal to 667 years, 46 weeks, 6 days, 2 hours, 32 minutes.
-
To count from 1 to 21,005,231,520 would take you about one thousand, three hundred thirty-five years!
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 21005231520 cubic inches would be around 229.9 feet tall.
Recreational maths with 21005231520
- 21005231520 backwards is 02513250012
- 21005231520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21005231520's digits is 21
- More coming soon!
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"Number 21005231520 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
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Numbermatics. (2024). Number 21005231520 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/21005231520/
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The information we have on file for 21005231520 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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