21513211200

Names of 21513211200

• Cardinal: 21513211200 can be written as Twenty-one billion, five hundred thirteen million, two hundred eleven thousand, two hundred.

Scientific notation

• Scientific notation: 2.15132112 × 10¹⁰

Factors of 21513211200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 136

Divisors of 21513211200

• Number of divisors d(n): 630
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 45 48 50 52 54 60 64 65 72 75 78 80 81 90 96 100 104 108 113 117 120 130 135 144 150 156 160 162 180 192 195 200 208 216 225 226 234 240 260 270 288 300 312 320 324 325 339 351 360 390 400 405 416 432 450 452 468 480 520 540 565 576 585 600 624 648 650 675 678 702 720 780 800 810 832 864 900 904 936 960 975 1017 1040 1053 1080 1130 1170 1200 1248 1296 1300 1350 1356 1404 1440 1469 1560 1600 1620 1695 1728 1755 1800 1808 1872 1950 2025 2034 2080 2106 2160 2260 2340 2400 2496 2592 2600 2700 2712 2808 2825 2880 2925 2938 3051 3120 3240 3390 3510 3600 3616 3744 3900 4050 4068 4160 4212 4320 4407 4520 4680 4800 5085 5184 5200 5265 5400 5424 5616 5650 5850 5876 6102 6240 6480 6780 7020 7200 7232 7345 7488 7800 8100 8136 8424 8475 8640 8775 8814 9040 9153 9360 10170 10400 10530 10800 10848 11232 11300 11700 11752 12204 12480 12769 12960 13221 13560 14040 14400 14690 15255 15600 16200 16272 16848 16950 17550 17628 18080 18306 18720 20340 20800 21060 21600 21696 22035 22464 22600 23400 23504 24408 25425 25538 25920 26325 26442 27120 28080 29380 30510 31200 32400 32544 33696 33900 35100 35256 36160 36612 36725 37440 38307 39663 40680 42120 43200 44070 45200 45765 46800 47008 48816 50850 51076 52650 52884 54240 56160 58760 61020 62400 63845 64800 65088 66105 67392 67800 70200 70512 73224 73450 76275 76614 79326 81360 84240 88140 90400 91530 93600 94016 97632 101700 102152 105300 105768 108480 110175 112320 114921 117520 118989 122040 127690 129600 132210 135600 140400 141024 146448 146900 152550 153228 158652 162720 165997 168480 176280 180800 183060 187200 191535 195264 198315 203400 204304 210600 211536 220350 228825 229842 235040 237978 244080 255380 264420 271200 280800 282048 292896 293800 305100 306456 317304 319225 325440 330525 331994 336960 344763 352560 366120 383070 396630 406800 408608 421200 423072 440700 457650 459684 470080 475956 488160 497991 510760 528840 542400 561600 574605 585792 587600 594945 610200 612912 634608 638450 661050 663988 689526 705120 732240 766140 793260 813600 817216 829985 842400 846144 881400 915300 919368 951912 957675 976320 991575 995982 1021520 1034289 1057680 1149210 1175200 1189890 1220400 1225824 1269216 1276900 1322100 1327976 1379052 1410240 1464480 1493973 1532280 1586520 1627200 1659970 1684800 1723815 1762800 1830600 1838736 1903824 1915350 1983150 1991964 2043040 2068578 2115360 2298420 2350400 2379780 2440800 2451648 2489955 2538432 2553800 2644200 2655952 2758104 2873025 2928960 2974725 2987946 3064560 3173040 3319940 3447630 3525600 3661200 3677472 3807648 3830700 3966300 3983928 4086080 4137156 4149925 4230720 4481919 4596840 4759560 4881600 4979910 5107600 5171445 5288400 5311904 5516208 5746050 5949450 5975892 6129120 6346080 6639880 6895260 7051200 7322400 7354944 7469865 7615296 7661400 7932600 7967856 8274312 8299850 8619075 8963838 9193680 9519120 9959820 10215200 10342890 10576800 10623808 11032416 11492100 11898900 11951784 12258240 12449775 12692160 13279760 13445757 13790520 14644800 14939730 15322800 15865200 15935712 16548624 16599700 17238150 17927676 18387360 19038240 19919640 20430400 20685780 21153600 22064832 22409595 22984200 23797800 23903568 24899550 25857225 26559520 26891514 27581040 29879460 30645600 31730400 31871424 33097248 33199400 34476300 35855352 36774720 37349325 38076480 39839280 41371560 44819190 45968400 47595600 47807136 49799100 51714450 53119040 53783028 55162080 59758920 61291200 63460800 66194496 66398800 67228785 68952600 71710704 74698650 79678560 82743120 89638380 91936800 95191200 95614272 99598200 103428900 107566056 110324160 112047975 119517840 132797600 134457570 137905200 143421408 149397300 159357120 165486240 179276760 183873600 190382400 199196400 206857800 215132112 224095950 239035680 265595200 268915140 275810400 286842816 298794600 330972480 336143925 358553520 398392800 413715600 430264224 448191900 478071360 537830280 551620800 597589200 672287850 717107040 796785600 827431200 860528448 896383800 1075660560 1195178400 1344575700 1434214080 1654862400 1792767600 2151321120 2390356800 2689151400 3585535200 4302642240 5378302800 7171070400 10756605600 21513211200
• Sum of all divisors σ(n): 85920308474
• Sum of proper divisors (its aliquot sum) s(n): 64407097274
• 21513211200 is an abundant number, because the sum of its proper divisors (64407097274) is greater than itself. Its abundance is 42893886074

Bases of 21513211200

• Binary: 10100000010010010011000110101000000₂
• Hexadecimal: 0x502498D40
• Base-36: 9VSES00

Squares and roots of 21513211200

• 21513211200 squared (21513211200²) is 462818256135805440000
• 21513211200 cubed (21513211200³) is 9956706891465278312828928000000
• The square root of 21513211200 is 146673.8258858749
• The cube root of 21513211200 is 2781.2183125119

Scales and comparisons

• 21,513,211,200 seconds is equal to 684 years, 2 weeks, 5 days, 12 hours.
• To count from 1 to 21,513,211,200 would take you about one thousand, three hundred sixty-eight 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 21513211200 cubic inches would be around 231.8 feet tall.

Recreational maths with 21513211200

• 21513211200 backwards is 00211231512
• 21513211200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21513211200's digits is 18
• More coming soon!