21357413981869182

Names of 21357413981869182

• Cardinal: 21357413981869182 can be written as Twenty-one quadrillion, three hundred fifty-seven trillion, four hundred thirteen billion, nine hundred eighty-one million, eight hundred sixty-nine thousand, one hundred eighty-two.

Scientific notation

• Scientific notation: 2.1357413981869182 × 10¹⁶

Factors of 21357413981869182

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3699

Divisors of 21357413981869182

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 7 14 19 21 38 42 49 57 98 114 127 133 147 254 266 294 343 381 399 686 762 798 889 931 1029 1778 1862 2058 2401 2413 2667 2793 3541 4802 4826 5334 5586 6223 6517 7082 7203 7239 10623 12446 13034 14406 14478 16807 16891 18669 19551 21246 24787 33614 33782 37338 39102 43561 45619 49574 50421 50673 67279 74361 87122 91238 100842 101346 117649 118237 130683 134558 136857 148722 173509 201837 235298 236474 261366 273714 304927 319333 347018 352947 354711 403674 449707 470953 520527 609854 638666 705894 709422 827659 899414 914781 941906 957999 1041054 1214563 1349121 1412859 1655318 1829562 1915998 2134489 2235331 2429126 2482977 2698242 2825718 3147949 3296671 3643689 4268978 4470662 4965954 5793613 6295898 6403467 6593342 6705993 7287378 8501941 8544433 9443847 9890013 11587226 12538681 12806934 13411986 14941423 17003882 17088866 17380839 18887694 19780026 22035643 23076697 25077362 25505823 25633299 29882846 34761678 37616043 40555291 44071286 44824269 46153394 51011646 51266598 59513587 59811031 66106929 69230091 75232086 81110582 87770767 89648538 119027174 119622062 121665873 132213858 138460182 154249501 161536879 175541534 178540761 179433093 238234939 243331746 263312301 283887037 308499002 323073758 357081522 358866186 416595109 418677217 462748503 476469878 484610637 526624602 567774074 614395369 714704817 833190218 837354434 851661111 925497006 969221274 1079746507 1130758153 1228790738 1249785327 1256031651 1429409634 1592412487 1667644573 1703322222 1843186107 2159493014 2261516306 2499570654 2512063302 2930740519 3184824974 3239239521 3335289146 3392274459 3686372214 4300767583 4777237461 5002933719 5861481038 6478479042 6784548918 7558225549 7915307071 8601535166 8792221557 9554474922 10005867438 11146887409 11673512011 12902302749 15116451098 15830614142 17584443114 20515183633 22293774818 22674676647 23347024022 23745921213 25804605498 30105373081 30255837253 33440662227 35020536033 41030367266 45349353294 47491842426 52907578843 60210746162 60511674506 61545550899 66881324454 70041072066 78028211863 81714584077 90316119243 90767511759 105815157686 123091101798 143606285431 156056423726 158722736529 163429168154 180632238486 181535023518 210737611567 211790860771 234084635589 245143752231 287212570862 317445473058 421475223134 423581721542 430818856293 468169271178 490287504462 546197483041 572002088539 632212834701 635372582313 861637712586 1005243998017 1092394966082 1144004177078 1264425669402 1270745164626 1475163280969 1482536025397 1638592449123 1716006265617 2010487996034 2950326561938 2965072050794 3015731994051 3277184898246 3432012531234 3823382381287 4004014619773 4425489842907 4447608076191 6031463988102 7646764762574 8008029239546 8850979685814 8895216152382 10377752177779 11470147143861 12012043859319 20755504355558 22940294287722 24024087718638 26763676669009 28028102338411 31133256533337 53527353338018 56056204676822 62266513066674 72644265244453 80291030007027 84084307015233 145288530488906 160582060014054 168168614030466 187345736683063 217932795733359 374691473366126 435865591466718 508509856711171 562037210049189 1017019713422342 1124074420098378 1525529570133513 3051059140267026 3559568996978197 7119137993956394 10678706990934591 21357413981869182
• Sum of all divisors σ(n): 52884722758993920
• Sum of proper divisors (its aliquot sum) s(n): 31527308777124738
• 21357413981869182 is an abundant number, because the sum of its proper divisors (31527308777124738) is greater than itself. Its abundance is 10169894795255556

Bases of 21357413981869182

• Binary: 1001011111000000111010001110001101101011101010001111110₂
• Hexadecimal: 0x4BE07471B5D47E
• Base-36: 5UAKKJ8PTA6

Squares and roots of 21357413981869182

• 21357413981869182 squared (21357413981869182²) is 456139131992941227959422561349124
• 21357413981869182 cubed (21357413981869182³) is 9741952275303715298355768154844837960421198296568
• The square root of 21357413981869182 is 146141759.8835773635
• The cube root of 21357413981869182 is 277448.8241829525

Scales and comparisons

• 21,357,413,981,869,182 seconds is equal to 679,099,701 years, 41 weeks, 5 days, 19 hours, 39 minutes, 42 seconds.
• To count from 1 to 21,357,413,981,869,182 would take you about two billion, thirty-seven million, two hundred ninety-nine thousand, one hundred five 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 21357413981869182 cubic inches would be around 23120.7 feet tall.

Recreational maths with 21357413981869182

• 21357413981869182 backwards is 28196818931475312
• The number of decimal digits it has is: 17
• The sum of 21357413981869182's digits is 78
• More coming soon!