21039737472

Names of 21039737472

• Cardinal: 21039737472 can be written as Twenty-one billion, thirty-nine million, seven hundred thirty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1039737472 × 10¹⁰

Factors of 21039737472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 198

Divisors of 21039737472

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 27 32 34 36 39 48 51 52 54 64 68 72 78 96 102 104 108 117 128 136 144 153 156 163 169 192 204 208 216 221 234 272 288 306 312 326 338 351 384 408 416 432 442 459 468 489 507 544 576 612 624 652 663 676 702 816 832 864 884 918 936 978 1014 1088 1152 1224 1248 1304 1326 1352 1404 1467 1521 1632 1664 1728 1768 1836 1872 1956 1989 2028 2119 2176 2197 2448 2496 2608 2652 2704 2771 2808 2873 2934 3042 3264 3456 3536 3672 3744 3912 3978 4056 4238 4394 4401 4563 4896 4992 5216 5304 5408 5542 5616 5746 5868 5967 6084 6357 6528 6591 7072 7344 7488 7824 7956 8112 8313 8476 8619 8788 8802 9126 9792 10432 10608 10816 11084 11232 11492 11736 11934 12168 12714 13182 14144 14688 14976 15648 15912 16224 16626 16952 17238 17576 17604 18252 19071 19584 19773 20864 21216 21632 22168 22464 22984 23472 23868 24336 24939 25428 25857 26364 27547 28288 29376 31296 31824 32448 33252 33904 34476 35152 35208 36023 36504 37349 38142 39546 42432 44336 44928 45968 46944 47736 48672 49878 50856 51714 52728 55094 57213 58752 59319 62592 63648 64896 66504 67808 68952 70304 70416 72046 73008 74698 74817 76284 77571 79092 82641 84864 88672 91936 93888 95472 97344 99756 101712 103428 105456 108069 110188 112047 114426 118638 127296 133008 135616 137904 140608 140832 144092 146016 149396 149634 152568 155142 158184 165282 177344 183872 187776 190944 194688 199512 203424 206856 210912 216138 220376 224094 228852 237276 247923 254592 266016 271232 275808 281216 281664 288184 292032 298792 299268 305136 310284 316368 324207 330564 336141 354688 358111 367744 381888 399024 406848 413712 421824 432276 440752 448188 457704 468299 474552 495846 532032 551616 563328 576368 584064 597584 598536 610272 620568 632736 648414 661128 672282 716222 743769 763776 798048 813696 827424 843648 864552 881504 896376 915408 936598 949104 972621 991692 1008423 1064064 1074333 1103232 1152736 1195168 1197072 1220544 1241136 1265472 1296828 1322256 1344564 1404897 1432444 1487538 1596096 1654848 1729104 1763008 1792752 1830816 1873196 1898208 1945242 1983384 2016846 2148666 2305472 2390336 2394144 2441088 2482272 2530944 2593656 2644512 2689128 2809794 2864888 2975076 3192192 3222999 3309696 3458208 3526016 3585504 3661632 3746392 3796416 3890484 3966768 4033692 4214691 4297332 4610944 4780672 4788288 4964544 5187312 5289024 5378256 5619588 5729776 5950152 6087887 6445998 6916416 7171008 7323264 7492784 7592832 7780968 7933536 8067384 8429382 8594664 9576576 9668997 9929088 10374624 10578048 10756512 11239176 11459552 11900304 12175774 12644073 12891996 13832832 14342016 14985568 15561936 15867072 16134768 16858764 17189328 18263661 19337994 20749248 21513024 22478352 22919104 23800608 24351548 25288146 25783992 29971136 31123872 31734144 32269536 33717528 34378656 36527322 38675988 41498496 43026048 44956704 45838208 47601216 48703096 50576292 51567984 54790983 59942272 62247744 64539072 67435056 68757312 73054644 77351976 89913408 95202432 97406192 101152584 103135968 109581966 124495488 129078144 134870112 137514624 146109288 154703952 164372949 179826816 194812384 202305168 206271936 219163932 269740224 292218576 309407904 328745898 389624768 404610336 412543872 438327864 539480448 584437152 618815808 657491796 779249536 809220672 876655728 1168874304 1237631616 1314983592 1618441344 1753311456 2337748608 2629967184 3506622912 5259934368 7013245824 10519868736 21039737472
• Sum of all divisors σ(n): 71662752000
• Sum of proper divisors (its aliquot sum) s(n): 50623014528
• 21039737472 is an abundant number, because the sum of its proper divisors (50623014528) is greater than itself. Its abundance is 29583277056

Bases of 21039737472

• Binary: 10011100110000100001110101010000000₂
• Hexadecimal: 0x4E610EA80
• Base-36: 9NYILC0

Squares and roots of 21039737472

• 21039737472 squared (21039737472²) is 442670552890680950784
• 21039737472 cubed (21039737472³) is 9313672219405017919806712578048
• The square root of 21039737472 is 145050.8099667147
• The cube root of 21039737472 is 2760.6632810417

Scales and comparisons

• 21,039,737,472 seconds is equal to 668 years, 51 weeks, 6 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,039,737,472 would take you about one thousand, three hundred thirty-seven 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 21039737472 cubic inches would be around 230.1 feet tall.

Recreational maths with 21039737472

• 21039737472 backwards is 27473793012
• The number of decimal digits it has is: 11
• The sum of 21039737472's digits is 45
• More coming soon!