21000804037830

Names of 21000804037830

• Cardinal: 21000804037830 can be written as Twenty-one trillion, eight hundred four million, thirty-seven thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 2.100080403783 × 10¹³

Factors of 21000804037830

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19941

Divisors of 21000804037830

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 34 41 45 51 61 82 85 90 102 122 123 153 170 183 205 246 255 281 305 306 366 369 410 510 549 562 610 615 697 738 765 843 915 1037 1098 1230 1394 1405 1530 1686 1830 1845 2074 2091 2501 2529 2745 2810 3111 3485 3690 4182 4215 4777 5002 5058 5185 5490 6222 6273 6970 7503 8430 9333 9554 10370 10455 11521 12505 12546 12645 14331 15006 15555 17141 18666 19531 20910 22509 23042 23885 25010 25290 28662 31110 31365 34282 34563 37515 39062 42517 42993 45018 46665 47770 51423 57605 58593 62730 69126 71655 75030 85034 85705 85986 93330 97655 102846 103689 112545 115210 117186 127551 143310 154269 171410 172815 175779 195310 195857 207378 212585 214965 225090 255102 257115 291397 292965 308538 332027 345630 351558 382653 391714 425170 429930 514230 518445 582794 585930 587571 637755 664054 702781 765306 771345 800771 874191 878895 979285 996081 1036890 1175142 1191391 1275510 1405562 1456985 1542690 1601542 1660135 1748382 1757790 1762713 1913265 1958570 1992162 2108343 2382782 2402313 2622573 2913970 2937855 2988243 3320270 3513905 3525426 3574173 3826530 4003855 4216686 4370955 4804626 4980405 5245146 5488211 5875710 5956955 5976486 6325029 7027810 7148346 7206939 8007710 8741910 8813565 9960810 10541715 10722519 10976422 11913910 11947277 12011565 12650058 13112865 13613107 14413878 14941215 16464633 17627130 17870865 20253647 21083430 21445038 23894554 24023130 26225730 27226214 27441055 29882430 31625145 32929266 35741730 35841831 36034695 40507294 40839321 48847031 49393899 53612595 54882110 59736385 60760941 63250290 68065535 71683662 72069390 81678642 82323165 93299587 97694062 98787798 101268235 107225190 107525493 119472770 121521882 122517963 136131070 146541093 164646330 179209155 182282823 186599174 202536470 204196605 215050986 225016651 244235155 245035926 246969495 279898761 293082186 303804705 334780871 358418310 364565646 408393210 439623279 450033302 466497935 488470310 493938990 537627465 559797522 607609410 612589815 669561742 675049953 732705465 830399527 839696283 879246558 911414115 932995870 1004342613 1075254930 1125083255 1225179630 1350099906 1399493805 1465410930 1660799054 1673904355 1679392566 1822828230 2008685226 2025149859 2198116395 2250166510 2491198581 2798987610 3013027839 3347808710 3375249765 3825283067 4050299718 4151997635 4198481415 4396232790 4982397162 5021713065 5691274807 6026055678 6750499530 7473595743 7650566134 8303995270 8396962830 10043426130 10125749295 11382549614 11475849201 12455992905 13726015711 14947191486 15065139195 17073824421 19126415335 20251498590 22951698402 24911985810 27452031422 28456374035 30130278390 34147648842 34427547603 37367978715 38252830670 41178047133 51221473263 56912748070 57379246005 68630078555 68855095206 74735957430 82356094266 85369122105 102442946526 114758492010 123534141399 137260157110 170738244210 172137738015 205890235665 233342267087 247068282798 256107366315 344275476030 411780471330 466684534174 512214732630 617670706995 700026801261 1166711335435 1235341413990 1400053602522 2100080403783 2333422670870 3500134006305 4200160807566 7000268012610 10500402018915 21000804037830
• Sum of all divisors σ(n): 60412271617152
• Sum of proper divisors (its aliquot sum) s(n): 39411467579322
• 21000804037830 is an abundant number, because the sum of its proper divisors (39411467579322) is greater than itself. Its abundance is 18410663541492

Bases of 21000804037830

• Binary: 100110001100110100001011101101111010011000110₂
• Hexadecimal: 0x1319A176F4C6
• Base-36: 7FZMWHZ9I

Squares and roots of 21000804037830

• 21000804037830 squared (21000804037830²) is 441033770235336832071108900
• 21000804037830 cubed (21000804037830³) is 9262063782777650212309064428805649687000
• The square root of 21000804037830 is 4582663.4218356033
• The cube root of 21000804037830 is 27589.5938671599

Scales and comparisons

• 21,000,804,037,830 seconds is equal to 667,760 years, 31 weeks, 4 days, 13 hours, 10 minutes, 30 seconds.
• To count from 1 to 21,000,804,037,830 would take you about one million, six hundred sixty-nine thousand, four hundred one 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 21000804037830 cubic inches would be around 2299.1 feet tall.

Recreational maths with 21000804037830

• 21000804037830 backwards is 03873040800012
• The number of decimal digits it has is: 14
• The sum of 21000804037830's digits is 36
• More coming soon!