21301995792

Names of 21301995792

• Cardinal: 21301995792 can be written as Twenty-one billion, three hundred one million, nine hundred ninety-five thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1301995792 × 10¹⁰

Factors of 21301995792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 77

Divisors of 21301995792

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 17 21 22 24 28 33 34 37 42 44 48 49 51 56 66 68 74 77 84 88 98 102 111 112 119 121 132 136 147 148 154 168 176 187 196 204 222 231 238 242 259 264 272 289 294 296 308 336 343 357 363 374 392 407 408 444 462 476 484 518 528 539 561 578 588 592 616 629 686 714 726 748 777 784 814 816 833 847 867 888 924 952 968 1029 1036 1078 1122 1156 1176 1221 1232 1258 1309 1372 1428 1452 1496 1554 1617 1628 1666 1694 1734 1776 1813 1848 1887 1904 1936 2023 2057 2058 2072 2156 2244 2312 2352 2442 2499 2516 2541 2618 2744 2849 2856 2904 2992 3108 3179 3234 3256 3332 3388 3468 3626 3696 3773 3774 3927 4046 4114 4116 4144 4312 4403 4477 4488 4624 4884 4998 5032 5082 5236 5439 5488 5698 5712 5808 5831 5929 6069 6171 6216 6358 6468 6512 6664 6776 6919 6936 7252 7546 7548 7854 8092 8228 8232 8547 8624 8806 8954 8976 9163 9537 9768 9996 10064 10164 10472 10693 10878 11319 11396 11662 11858 12138 12342 12432 12691 12716 12936 13209 13328 13431 13552 13838 13872 14161 14399 14504 15092 15096 15708 16184 16456 16464 17094 17493 17612 17787 17908 18326 19074 19536 19943 19992 20328 20757 20944 21386 21756 22253 22638 22792 23324 23716 24276 24684 25382 25432 25872 26418 26862 27489 27676 28322 28798 29008 30184 30192 30821 31339 31416 32079 32368 32912 34188 34969 34986 35224 35574 35816 36652 38073 38148 39886 39984 40656 41503 41514 42483 42772 43197 43512 44506 45276 45584 46648 47432 48433 48552 49368 50764 50864 52836 53724 54978 55352 56644 57596 59829 60368 61642 62678 62832 64141 64158 66759 68376 69938 69972 70448 71148 71632 73304 74851 76109 76146 76296 79772 83006 83028 84966 85544 86394 87024 89012 90552 92463 93296 94017 94864 96866 97104 98736 99127 100793 101528 104907 105672 107448 109956 110704 113288 115192 117623 119658 123284 124509 125356 128282 128316 133518 136752 139601 139876 139944 142296 145299 146608 149702 152218 152292 152592 155771 159544 166012 166056 169932 171088 172788 178024 181104 184926 188034 192423 193732 198254 201586 203056 209814 211344 214896 215747 219373 219912 224553 226576 228327 230384 235246 239316 244783 246568 249018 250712 256564 256632 267036 279202 279752 279888 284592 290598 297381 299404 302379 304436 304584 311542 319088 332024 332112 339031 339864 345576 352869 356048 369852 376068 384846 387464 396508 403172 418803 419628 431494 438746 439824 449106 456654 467313 470492 478632 489566 493136 498036 501424 513128 513264 523957 532763 534072 558404 559504 581196 594762 598808 604758 608872 609168 623084 647241 658119 664048 678062 679728 691152 705551 705738 734349 739704 752136 769692 774928 793016 806344 823361 837606 839256 862988 877492 898212 913308 934626 940984 957264 979132 996072 1017093 1026256 1047914 1065526 1068144 1090397 1116808 1162392 1189524 1197616 1209516 1217744 1246168 1293853 1294482 1316238 1356124 1411102 1411476 1468698 1479408 1504272 1535611 1539384 1571871 1586032 1598289 1612688 1646722 1675212 1678512 1713481 1725976 1754984 1796424 1826616 1869252 1881968 1958264 1992144 2034186 2095828 2116653 2131052 2180794 2233616 2324784 2373217 2379048 2419032 2470083 2492336 2587706 2588964 2632476 2712248 2822204 2822952 2937396 3071222 3078768 3143742 3196578 3271191 3293444 3350424 3426962 3451952 3509968 3592848 3653232 3667699 3729341 3738504 3881559 3916528 4068372 4191656 4233306 4262104 4361588 4606833 4746434 4758096 4838064 4940166 5140443 5175412 5177928 5264952 5424496 5644408 5645904 5763527 5874792 6142444 6287484 6393156 6542382 6586888 6700848 6853924 7119651 7335398 7458682 7477008 7763118 8136744 8383312 8466612 8524208 8723176 9056971 9213666 9492868 9880332 10280886 10350824 10355856 10529904 11003097 11188023 11288816 11527054 11749584 11994367 12284888 12574968 12786312 13084764 13173776 13707848 14239302 14670796 14917364 15526236 16273488 16933224 17290581 17446352 18113942 18427332 18985736 19760664 20561772 20701648 22006194 22376046 23054108 23988734 24569776 25149936 25572624 26105387 26169528 27170913 27415696 28478604 29341592 29834728 31052472 33866448 34581162 35983101 36227884 36854664 37971472 39521328 40344689 41123544 44012388 44752092 46108216 47977468 52210774 52339056 54341826 56957208 58683184 59669456 62104944 63398797 69162324 71966202 72455768 73709328 78316161 80689378 82247088 88024776 89504184 92216432 95954936 104421548 108683652 113914416 121034067 126797594 138324648 143932404 144911536 156632322 161378756 176049552 179008368 190196391 191909872 208843096 217367304 242068134 253595188 276649296 287864808 313264644 322757512 380392782 417686192 434734608 443791579 484136268 507190376 575729616 626529288 645515024 760785564 887583158 968272536 1014380752 1253058576 1331374737 1521571128 1775166316 1936545072 2662749474 3043142256 3550332632 5325498948 7100665264 10650997896 21301995792
• Sum of all divisors σ(n): 76958268800
• Sum of proper divisors (its aliquot sum) s(n): 55656273008
• 21301995792 is an abundant number, because the sum of its proper divisors (55656273008) is greater than itself. Its abundance is 34354277216

Bases of 21301995792

• Binary: 10011110101101100101010100100010000₂
• Hexadecimal: 0x4F5B2A910
• Base-36: 9SANP5C

Squares and roots of 21301995792

• 21301995792 squared (21301995792²) is 453775024722385707264
• 21301995792 cubed (21301995792³) is 9666313667150956304338671833088
• The square root of 21301995792 is 145952.0325038333
• The cube root of 21301995792 is 2772.0864170591

Scales and comparisons

• 21,301,995,792 seconds is equal to 677 years, 17 weeks, 3 days, 21 hours, 3 minutes, 12 seconds.
• To count from 1 to 21,301,995,792 would take you about one thousand, three hundred fifty-four 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 21301995792 cubic inches would be around 231 feet tall.

Recreational maths with 21301995792

• 21301995792 backwards is 29759910312
• 21301995792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21301995792's digits is 48
• More coming soon!