21241890432

Names of 21241890432

• Cardinal: 21241890432 can be written as Twenty-one billion, two hundred forty-one million, eight hundred ninety thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1241890432 × 10¹⁰

Factors of 21241890432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 303

Divisors of 21241890432

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 49 56 61 62 63 64 72 84 93 96 98 112 122 124 126 128 144 147 168 183 186 192 196 199 217 224 244 248 252 279 288 294 336 366 372 384 392 398 427 434 441 448 488 496 504 549 558 576 588 597 651 672 732 744 784 796 854 868 882 896 976 992 1008 1098 1116 1152 1176 1194 1281 1302 1344 1393 1464 1488 1519 1568 1592 1708 1736 1764 1791 1891 1952 1953 1984 2016 2196 2232 2352 2388 2562 2604 2688 2786 2928 2976 2989 3038 3136 3184 3416 3472 3528 3582 3782 3843 3904 3906 3968 4032 4179 4392 4464 4557 4704 4776 5124 5208 5572 5673 5856 5952 5978 6076 6169 6272 6368 6832 6944 7056 7164 7564 7686 7808 7812 8064 8358 8784 8928 8967 9114 9408 9552 9751 10248 10416 11144 11346 11712 11904 11956 12139 12152 12338 12537 12736 13237 13664 13671 13888 14112 14328 15128 15372 15624 16716 17019 17568 17856 17934 18228 18507 18816 19104 19502 20496 20832 22288 22692 23424 23912 24278 24304 24676 25074 25472 26474 26901 27328 27342 27776 28224 28656 29253 30256 30744 31248 33432 34038 35136 35712 35868 36417 36456 37014 38208 39004 39711 40992 41664 43183 44576 45384 47824 48556 48608 49352 50148 52948 53802 54656 54684 55521 56448 57312 58506 60512 61488 62496 66864 68076 70272 71736 72834 72912 74028 76416 78008 79422 81984 83328 84973 86366 87759 89152 90768 92659 95648 97112 97216 98704 100296 105896 107604 109251 109368 111042 114624 117012 119133 121024 122976 124992 129549 133728 136152 143472 145668 145824 148056 156016 158844 163968 169946 172732 175518 178304 181536 185318 191296 194224 194432 197408 200592 211792 215208 218502 218736 222084 229248 234024 238266 242048 245952 249984 254919 259098 267456 272304 277977 286944 291336 291648 296112 302281 312032 317688 339892 345464 351036 363072 370636 376309 382592 388448 388647 394816 401184 423584 430416 437004 437472 444168 468048 476532 491904 509838 518196 534912 544608 555954 573888 582672 583296 592224 594811 604562 624064 635376 679784 690928 702072 726144 741272 752618 764757 776896 777294 789632 802368 833931 847168 860832 874008 874944 888336 906843 936096 953064 1019676 1036392 1089216 1111908 1128927 1147776 1165344 1184448 1189622 1209124 1248128 1270752 1359568 1381856 1404144 1482544 1505236 1529514 1553792 1554588 1604736 1667862 1694336 1721664 1748016 1749888 1776672 1784433 1813686 1872192 1906128 2039352 2072784 2178432 2223816 2257854 2330688 2368896 2379244 2418248 2541504 2634163 2719136 2720529 2763712 2808288 2965088 3010472 3059028 3109176 3335724 3386781 3443328 3496032 3553344 3568866 3627372 3744384 3812256 4078704 4145568 4447632 4515708 4661376 4758488 4836496 5083008 5268326 5353299 5438272 5441058 5527424 5616576 5930176 6020944 6118056 6218352 6671448 6773562 6992064 7106688 7137732 7254744 7624512 7902489 8157408 8291136 8895264 9031416 9516976 9672992 10536652 10706598 10876544 10882116 11233152 11860352 12041888 12236112 12436704 13342896 13547124 13984128 14275464 14509488 15249024 15804978 16314816 16582272 17790528 18062832 18439141 19033952 19345984 21073304 21413196 21764232 23707467 24083776 24472224 24873408 26685792 27094248 28550928 29018976 31609956 32629632 35581056 36125664 36878282 38067904 38691968 42146608 42826392 43528464 47414934 48167552 48944448 49746816 53371584 54188496 55317423 57101856 58037952 63219912 72251328 73756564 76135808 84293216 85652784 87056928 94829868 97888896 106743168 108376992 110634846 114203712 116075904 126439824 144502656 147513128 165952269 168586432 171305568 174113856 189659736 216753984 221269692 228407424 252879648 295026256 331904538 337172864 342611136 348227712 379319472 433507968 442539384 505759296 590052512 663809076 685222272 758638944 885078768 1011518592 1180105024 1327618152 1517277888 1770157536 2360210048 2655236304 3034555776 3540315072 5310472608 7080630144 10620945216 21241890432
• Sum of all divisors σ(n): 74977344000
• Sum of proper divisors (its aliquot sum) s(n): 53735453568
• 21241890432 is an abundant number, because the sum of its proper divisors (53735453568) is greater than itself. Its abundance is 32493563136

Bases of 21241890432

• Binary: 10011110010000111011000011010000000₂
• Hexadecimal: 0x4F21D8680
• Base-36: 9RAVFK0

Squares and roots of 21241890432

• 21241890432 squared (21241890432²) is 451217909125093146624
• 21241890432 cubed (21241890432³) is 9584721386591361602381118701568
• The square root of 21241890432 is 145745.9791280709
• The cube root of 21241890432 is 2769.4767366023

Scales and comparisons

• 21,241,890,432 seconds is equal to 675 years, 22 weeks, 1 day, 5 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,241,890,432 would take you about one thousand, three hundred fifty 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 21241890432 cubic inches would be around 230.8 feet tall.

Recreational maths with 21241890432

• 21241890432 backwards is 23409814212
• 21241890432 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21241890432's digits is 36
• More coming soon!