21589731072

Names of 21589731072

• Cardinal: 21589731072 can be written as Twenty-one billion, five hundred eighty-nine million, seven hundred thirty-one thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1589731072 × 10¹⁰

Factors of 21589731072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 114

Divisors of 21589731072

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 64 72 78 84 89 91 96 104 112 117 126 128 144 156 168 169 178 182 192 208 224 234 252 256 267 273 288 312 336 338 356 364 384 416 448 468 504 507 534 546 576 623 624 672 676 712 728 768 801 819 832 896 936 1008 1014 1068 1092 1152 1157 1183 1246 1248 1344 1352 1424 1456 1521 1602 1638 1664 1792 1869 1872 2016 2028 2136 2184 2304 2314 2366 2492 2496 2688 2704 2848 2912 3042 3204 3276 3328 3471 3549 3738 3744 4032 4056 4272 4368 4628 4732 4984 4992 5376 5408 5607 5696 5824 6084 6408 6552 6942 7098 7476 7488 7921 8064 8099 8112 8544 8736 9256 9464 9968 9984 10413 10647 10816 11214 11392 11648 12168 12816 13104 13884 14196 14952 14976 15041 15842 16128 16198 16224 17088 17472 18512 18928 19936 20826 21294 21632 22428 22784 23296 23763 24297 24336 25632 26208 27768 28392 29904 29952 30082 31684 32396 32448 34176 34944 37024 37856 39872 41652 42588 43264 44856 45123 47526 48594 48672 51264 52416 55447 55536 56784 59808 60164 63368 64792 64896 68352 69888 71289 72891 74048 75712 79744 83304 85176 89712 90246 95052 97188 97344 102528 102973 104832 105287 110894 111072 113568 119616 120328 126736 129584 129792 135369 142578 145782 148096 151424 159488 166341 166608 170352 179424 180492 190104 194376 194688 205056 205946 209664 210574 221788 222144 227136 239232 240656 253472 259168 270738 285156 291564 296192 302848 308919 315861 332682 333216 340704 358848 360984 380208 388752 389376 411892 421148 443576 444288 454272 478464 481312 499023 506944 518336 541476 570312 583128 617838 631722 665364 666432 681408 717696 720811 721968 760416 777504 823784 842296 887152 888576 908544 926757 947583 962624 998046 1013888 1036672 1082952 1140624 1166256 1235676 1263444 1330728 1332864 1338649 1362816 1435392 1441622 1443936 1520832 1555008 1647568 1684592 1774304 1853514 1895166 1925248 1996092 2027776 2073344 2162433 2165904 2281248 2332512 2471352 2526888 2661456 2665728 2677298 2725632 2883244 2887872 3041664 3110016 3295136 3369184 3548608 3707028 3790332 3850496 3992184 4015947 4324866 4331808 4562496 4665024 4942704 5053776 5322912 5354596 5766488 5775744 6083328 6220032 6487299 6590272 6738368 7097216 7414056 7580664 7984368 8031894 8649732 8663616 9124992 9330048 9370543 9885408 10107552 10645824 10709192 11532976 11551488 12047841 12974598 13180544 13476736 14194432 14828112 15161328 15968736 16063788 17299464 17327232 18249984 18660096 18741086 19770816 20215104 21291648 21418384 23065952 24095682 25949196 26361088 26953472 28111629 29656224 30322656 31937472 32127576 34598928 34654464 37482172 39541632 40430208 42583296 42836768 46131904 48191364 51898392 56223258 59312448 60645312 63874944 64255152 69197856 74964344 79083264 80860416 84334887 85673536 92263808 96382728 103796784 112446516 118624896 121290624 127749888 128510304 138395712 149928688 168669774 171347072 184527616 192765456 207593568 224893032 237249792 242581248 257020608 276791424 299857376 337339548 342694144 385530912 415187136 449786064 514041216 553582848 599714752 674679096 771061824 830374272 899572128 1028082432 1199429504 1349358192 1542123648 1660748544 1799144256 2398859008 2698716384 3084247296 3598288512 5397432768 7196577024 10794865536 21589731072
• Sum of all divisors σ(n): 77909794872
• Sum of proper divisors (its aliquot sum) s(n): 56320063800
• 21589731072 is an abundant number, because the sum of its proper divisors (56320063800) is greater than itself. Its abundance is 34730332728

Bases of 21589731072

• Binary: 10100000110110110010010011100000000₂
• Hexadecimal: 0x506D92700
• Base-36: 9X1YV40

Squares and roots of 21589731072

• 21589731072 squared (21589731072²) is 466116487761282269184
• 21589731072 cubed (21589731072³) is 10063329618991263525564472885248
• The square root of 21589731072 is 146934.4448112831
• The cube root of 21589731072 is 2784.5118955665

Scales and comparisons

• 21,589,731,072 seconds is equal to 686 years, 25 weeks, 2 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,589,731,072 would take you about one thousand, three hundred seventy-two 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 21589731072 cubic inches would be around 232 feet tall.

Recreational maths with 21589731072

• 21589731072 backwards is 27013798512
• The number of decimal digits it has is: 11
• The sum of 21589731072's digits is 45
• More coming soon!