21390731131590

Names of 21390731131590

• Cardinal: 21390731131590 can be written as Twenty-one trillion, three hundred ninety billion, seven hundred thirty-one million, one hundred thirty-one thousand, five hundred ninety.

Scientific notation

• Scientific notation: 2.139073113159 × 10¹³

Factors of 21390731131590

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 111

Divisors of 21390731131590

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 27 30 31 45 46 47 54 62 69 81 90 93 94 115 135 138 141 155 162 186 207 230 235 243 270 279 282 310 345 405 414 423 465 470 486 529 558 621 690 705 713 729 810 837 846 930 1035 1058 1081 1215 1242 1269 1395 1410 1426 1457 1458 1587 1674 1863 2070 2115 2139 2162 2187 2209 2430 2511 2538 2645 2790 2914 3105 3174 3243 3565 3645 3726 3807 4185 4230 4278 4371 4374 4418 4761 5022 5290 5405 5589 6210 6345 6417 6486 6561 6627 7130 7285 7290 7533 7614 7935 8370 8742 9315 9522 9729 10695 10810 10935 11045 11178 11421 12555 12690 12834 13113 13122 13254 14283 14570 15066 15870 16215 16399 16767 18630 19035 19251 19458 19683 19881 21390 21855 21870 22090 22599 22842 23805 24863 25110 26226 27945 28566 29187 32085 32430 32798 32805 33135 33511 33534 34263 37665 38070 38502 39339 39366 39762 42849 43710 45198 47610 48645 49197 49726 50301 50807 55890 57105 57753 58374 59049 59643 64170 65565 65610 66270 67022 67797 68479 68526 71415 74589 75330 78678 81995 83835 85698 87561 96255 97290 98394 98415 99405 100533 100602 101614 102789 112995 114210 115506 118017 118098 119286 124315 128547 131130 135594 136958 142830 145935 147591 149178 150903 152421 163990 167555 167670 171315 173259 175122 178929 192510 196695 196830 198810 201066 203391 205437 205578 214245 223767 225990 236034 245985 248630 251505 254035 257094 262683 288765 291870 295182 295245 298215 301599 301806 304842 308367 335110 338985 342395 342630 346518 354051 357858 372945 385641 393390 406782 410874 428490 437805 442773 447534 452709 457263 491970 502665 503010 508070 513945 519777 525366 536787 577530 590085 590490 596430 603198 610173 616311 616734 642735 671301 677970 684790 708102 737955 745890 754515 762105 770753 771282 788049 866295 875610 885546 894645 904797 905418 914526 925101 1005330 1016955 1027185 1027890 1039554 1062153 1073574 1118835 1156923 1168561 1180170 1220346 1232622 1285470 1313415 1328319 1342602 1358127 1371789 1475910 1507995 1509030 1524210 1541506 1541835 1559331 1575017 1576098 1610361 1732590 1770255 1789290 1809594 1830519 1848933 1850202 1928205 2013903 2033910 2054370 2124306 2213865 2237670 2263545 2286315 2312259 2313846 2337122 2364147 2598885 2626830 2656638 2683935 2714391 2716254 2743578 2775303 3015990 3050865 3081555 3083670 3118662 3150034 3186459 3220722 3356505 3470769 3505683 3540510 3661038 3697866 3853765 3856410 3940245 3984957 4027806 4115367 4427730 4523985 4527090 4572630 4624518 4625505 4677993 4725051 4728294 4831083 5197770 5310765 5367870 5428782 5546799 5550606 5784615 5842805 6041709 6101730 6163110 6372918 6641595 6713010 6790635 6858945 6936777 6941538 7011366 7092441 7707530 7796655 7875085 7880490 7969914 8051805 8143173 8230734 9047970 9152595 9244665 9251010 9355986 9450102 9559377 9662166 10069515 10412307 10517049 10621530 11093598 11561295 11569230 11685610 11820735 11954871 12083418 12346101 13283190 13571955 13581270 13717890 13873554 13876515 14033979 14175153 14184882 14493249 15593310 15750170 15932295 16103610 16286346 16640397 17353845 17528415 18125127 18305190 18489330 19118754 19924785 20139030 20576835 20810331 20824614 21034098 21277323 23122590 23389965 23625255 23641470 23909742 24155415 24429519 24692202 27143910 27733995 27753030 28067958 28350306 28678131 28986498 30208545 31236921 31551147 31864590 33280794 34683885 34707690 35056830 35462205 35864613 36225391 36250254 37038303 39849570 40715865 41153670 41620662 42101937 42525459 42554646 43479747 46779930 47250510 47796885 48310830 48859038 49921191 52061535 52585245 54375381 55467990 57356262 59774355 60417090 61730505 62430993 62473842 63102294 63831969 69367770 70169895 70875765 70924410 71729226 72450782 72466245 73288557 74076606 81431730 83201985 84203874 85050918 86034393 86959494 90625635 94653441 95593770 99842382 104051655 104123070 105170490 106386615 107593839 108676173 108750762 111114909 119548710 122147595 123461010 124861986 127576377 127663938 130439241 140339790 141751530 143390655 144932490 146577114 149763573 156184605 157755735 163126143 166403970 172068786 179323065 181126955 181251270 185191515 187292979 189306882 208103310 210509685 212627295 212773230 215187678 217352346 217398735 219865671 222229818 244295190 249605955 255152754 260878482 271876905 283960323 286781310 299527146 312154965 312369210 315511470 319159845 322781517 326028519 326252286 333344727 358646130 362253910 366442785 370383030 374585958 382729131 421019370 425254590 430171965 434797470 439731342 449290719 473267205 489378429 499211910 537969195 543380865 543753810 555574545 561878937 567920646 624309930 637881885 638319690 645563034 652057038 652196205 659597013 666689454 732885570 748817865 765458262 815630715 851880969 860343930 898581438 936464895 946534410 968344551 978085557 978756858 1000034181 1075938390 1086761730 1099328355 1111149090 1123757874 1148187393 1275763770 1304392410 1319194026 1347872157 1419801615 1468135287 1497635730 1613907585 1630142595 1631261430 1666723635 1685636811 1703761938 1872929790 1913645655 1936689102 1956171114 1978791039 2000068362 2198656710 2246453595 2296374786 2446892145 2555642907 2695744314 2809394685 2839603230 2934256671 2936270574 3000102543 3227815170 3260285190 3297985065 3333447270 3371273622 3444562179 3827291310 3957582078 4043616471 4259404845 4492907190 4841722755 4890427785 4893784290 5000170905 5056910433 5111285814 5618789370 5740936965 5868513342 6000205086 6595970130 6739360785 6889124358 7340676435 7666928721 8087232942 8428184055 8518809690 8802770013 9683445510 9780855570 9893955195 10000341810 10113820866 10333686537 11481873930 12778214535 13478721570 14671283355 14681352870 15000512715 15170731299 15333857442 16856368110 17222810895 17605540026 19787910390 20218082355 20667373074 23000786163 25284552165 25556429070 26408310039 29342566710 30001025430 30341462598 31001059611 34445621790 38334643605 40436164710 44013850065 45512193897 46001572326 50569104330 51668432685 52816620078 62002119222 69002358489 75853656495 76669287210 79224930117 88027700130 91024387794 93003178833 103336865370 115003930815 132041550195 138004716978 151707312990 155005298055 158449860234 186006357666 227560969485 230007861630 237674790351 264083100390 310010596110 345011792445 396124650585 455121938970 465015894165 475349580702 690023584890 713024371053 792249301170 930031788330 1188373951755 1426048742106 2139073113159 2376747903510 3565121855265 4278146226318 7130243710530 10695365565795 21390731131590
• Sum of all divisors σ(n): 63676697087808
• Sum of proper divisors (its aliquot sum) s(n): 42285965956218
• 21390731131590 is an abundant number, because the sum of its proper divisors (42285965956218) is greater than itself. Its abundance is 20895234824628

Bases of 21390731131590

• Binary: 100110111010001101010111011100011101011000110₂
• Hexadecimal: 0x13746AEE3AC6
• Base-36: 7KYRL0UDI

Squares and roots of 21390731131590

• 21390731131590 squared (21390731131590²) is 457563378343973601895928100
• 21390731131590 cubed (21390731131590³) is 9787615201817929745540374255926278679000
• The square root of 21390731131590 is 4625011.4736711735
• The cube root of 21390731131590 is 27759.3020814411

Scales and comparisons

• 21,390,731,131,590 seconds is equal to 680,159 years, 4 weeks, 2 days, 14 hours, 46 minutes, 30 seconds.
• To count from 1 to 21,390,731,131,590 would take you about one million, seven hundred thousand, three hundred ninety-seven 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 21390731131590 cubic inches would be around 2313.3 feet tall.

Recreational maths with 21390731131590

• 21390731131590 backwards is 09513113709312
• 21390731131590 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21390731131590's digits is 45
• More coming soon!