21231187586973

Names of 21231187586973

• Cardinal: 21231187586973 can be written as Twenty-one trillion, two hundred thirty-one billion, one hundred eighty-seven million, five hundred eighty-six thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 2.1231187586973 × 10¹³

Factors of 21231187586973

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 77

Divisors of 21231187586973

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 7 9 13 17 21 27 37 39 51 63 91 111 117 119 153 169 189 221 259 273 333 351 357 459 481 507 629 663 777 819 999 1071 1183 1369 1443 1521 1547 1887 1989 2197 2331 2457 2873 3213 3367 3549 4107 4329 4403 4563 4641 5661 5967 6253 6591 6993 8177 8619 9583 10101 10647 12321 12987 13209 13923 15379 16983 17797 18759 19773 20111 23273 24531 25857 28561 28749 30303 31941 36963 37349 39627 41769 43771 46137 53391 56277 57239 59319 60333 69819 73593 77571 81289 85683 86247 90909 106301 112047 118881 124579 131313 138411 160173 162911 168831 171717 180999 199927 209457 220779 231361 243867 257049 258741 261443 302549 318903 336141 371293 373737 393939 415233 480519 485537 488733 515151 542997 569023 599781 628371 694083 731601 744107 771147 784329 907647 956709 1008423 1056757 1113879 1121211 1181817 1381913 1456611 1466199 1545453 1619527 1707069 1799343 2082249 2117843 2194803 2232321 2352987 2599051 2722941 2870127 3007693 3170271 3341637 3363633 3398759 3933137 4145739 4369833 4398597 4826809 4858581 5121207 5398029 6246747 6311981 6353529 6696963 7058961 7397299 7797153 8168823 9023079 9510813 9673391 10024911 10196277 11799411 12437217 13109499 13737841 14480427 14575743 15363621 17964869 18935943 19060587 20090889 21053851 22191897 23391459 27069237 27531959 28532439 29020173 30588831 33787663 35398233 37311651 39100009 41213523 43441281 43727229 44183867 51130781 53894607 56807829 57181761 63161553 66575691 70174377 81207711 82055753 82595877 87060519 91766493 96164887 101362989 106194699 117300027 123640569 125754083 130323843 132551601 153392343 161683821 170423487 178591933 189484659 199727073 233543297 246167259 247787631 261181557 273700063 288494661 304088967 351900081 357915467 370921707 377262249 397654803 460177029 485051463 508300117 535775799 568453977 574390271 664700153 700629891 738501777 743362893 821100189 865483983 912266901 1055700243 1073746401 1131786747 1192964409 1250143531 1380531087 1524900351 1607327397 1634803079 1723170813 1994100459 2101889673 2215505331 2463300567 2596451949 3036062861 3221239203 3395360241 3558100819 3750430593 4574701053 4652901071 4821982191 4904409237 5169512439 5982301377 6305669019 6607901521 7389901701 8641101989 9108188583 9663717609 10674302457 11251291779 13724103159 13958703213 14713227711 15508537317 17946904131 19823704563 21252440027 25923305967 27324565749 32022907371 33753875337 41876109639 44139683133 46255310647 59471113689 60487713923 63757320081 77769917901 81973697247 96068722113 112334325857 125628328917 138765931941 178413341067 181463141769 191271960243 233309753703 337002977571 416297795823 544389425307 573815880729 786340280999 1011008932713 1248893387469 1633168275921 2359020842997 3033026798139 7077062528991 21231187586973
• Sum of all divisors σ(n): 42377837765760
• Sum of proper divisors (its aliquot sum) s(n): 21146650178787
• 21231187586973 is a deficient number, because the sum of its proper divisors (21146650178787) is less than itself. Its deficiency is 84537408186

Bases of 21231187586973

• Binary: 100110100111101000101011001001110111110011101₂
• Hexadecimal: 0x134F4564EF9D
• Base-36: 7IXH0WZH9

Squares and roots of 21231187586973

• 21231187586973 squared (21231187586973²) is 450763326353236398439302729
• 21231187586973 cubed (21231187586973³) is 9570240739133491990009572890122163749317
• The square root of 21231187586973 is 4607731.2841541661
• The cube root of 21231187586973 is 27690.1151969023

Scales and comparisons

• 21,231,187,586,973 seconds is equal to 675,086 years, 4 weeks, 5 days, 19 hours, 29 minutes, 33 seconds.
• To count from 1 to 21,231,187,586,973 would take you about one million, six hundred eighty-seven thousand, seven hundred fifteen 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 21231187586973 cubic inches would be around 2307.5 feet tall.

Recreational maths with 21231187586973

• 21231187586973 backwards is 37968578113212
• 21231187586973 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21231187586973's digits is 63
• More coming soon!