21490029951840

Names of 21490029951840

• Cardinal: 21490029951840 can be written as Twenty-one trillion, four hundred ninety billion, twenty-nine million, nine hundred fifty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.149002995184 × 10¹³

Factors of 21490029951840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 671

Divisors of 21490029951840

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 37 40 45 48 60 62 72 74 80 90 93 96 111 120 124 144 148 155 160 180 185 186 222 240 248 279 288 296 310 333 360 370 372 444 465 480 496 555 558 592 593 620 666 720 740 744 888 930 992 1110 1116 1147 1184 1186 1240 1332 1369 1395 1440 1480 1488 1665 1776 1779 1860 2220 2232 2294 2372 2480 2664 2738 2790 2960 2965 2976 3330 3441 3552 3558 3720 4107 4440 4464 4588 4744 4960 5328 5337 5476 5580 5735 5920 5930 6660 6845 6882 7116 7440 8214 8880 8895 8928 9176 9488 10323 10656 10674 10952 11160 11470 11860 12321 13320 13690 13764 14232 14880 16428 17205 17760 17790 18352 18383 18976 20535 20646 21348 21904 21941 22320 22940 23720 24642 26640 26685 27380 27528 28464 32856 34410 35580 36704 36766 41070 41292 42439 42696 43808 43882 44640 45880 47440 49284 51615 53280 53370 54760 55056 55149 56928 61605 65712 65823 68820 71160 73532 82140 82584 84878 85392 87764 91760 91915 94880 98568 103230 106740 109520 109705 110112 110298 123210 127317 131424 131646 137640 142320 147064 164280 165168 165447 169756 170784 175528 183520 183830 197136 197469 206460 212195 213480 219040 219410 220596 246420 254634 263292 275280 275745 284640 294128 328560 329115 330336 330894 339512 351056 351649 367660 381951 394272 394938 412920 424390 426960 438820 441192 492840 509268 526584 550560 551490 588256 636585 657120 658230 661788 679024 680171 702112 703298 735320 763902 789876 811817 825840 827235 848780 853920 877640 882384 985680 987345 1018536 1053168 1054947 1102980 1273170 1316460 1323576 1358048 1360342 1406596 1470640 1527804 1579752 1623634 1651680 1654470 1697560 1755280 1758245 1764768 1909755 1971360 1974690 2037072 2040513 2106336 2109894 2205960 2435451 2546340 2632920 2647152 2720684 2813192 2941280 3055608 3159504 3164841 3247268 3308940 3395120 3400855 3510560 3516490 3819510 3949380 4059085 4074144 4081026 4219788 4411920 4870902 5092680 5265840 5274735 5294304 5441368 5626384 6111216 6121539 6319008 6329682 6494536 6617880 6790240 6801710 7032980 7306353 7639020 7898760 8118170 8162052 8439576 8823840 9741804 10185360 10202565 10531680 10549470 10882736 10901119 11252768 12177255 12222432 12243078 12659364 12989072 13011013 13235760 13603420 14065960 14612706 15278040 15797520 15824205 16236340 16324104 16879152 19483608 20370720 20405130 21098940 21765472 21802238 24354510 24486156 25166327 25318728 25978144 26022026 26471520 27206840 28131920 29225412 30556080 30607695 31595040 31648410 32472680 32648208 32703357 33758304 36531765 38967216 39033039 40810260 42197880 43604476 48709020 48972312 50332654 50637456 52044052 54413680 54505595 56263840 58450824 61112160 61215390 63296820 64945360 65055065 65296416 65406714 73063530 75498981 77934432 78066078 81620520 84395760 87208952 97418040 97944624 98110071 100665308 101274912 104088104 108827360 109011190 116901648 117099117 122430780 125831635 126593640 129890720 130110130 130813428 146127060 150997962 156132156 163241040 163516785 168791520 174417904 194836080 195165195 195889248 196220142 201330616 208176208 218022380 226496943 233803296 234198234 244861560 251663270 253187280 260220260 261626856 292254120 301995924 312264312 326482080 327033570 348835808 377494905 389672160 390330390 392440284 402661232 403341403 416352416 436044760 452993886 468396468 481407481 489723120 490550355 503326540 506374560 520440520 523253712 584508240 585495585 603991848 624528624 654067140 754989810 780660780 784880568 805322464 806682806 872089520 905987772 936792936 962814962 979446240 981100710 1006653080 1040881040 1046507424 1132484715 1169016480 1170991170 1207983696 1210024209 1249057248 1308134280 1444222443 1509979620 1561321560 1569761136 1613365612 1744179040 1811975544 1873585872 1925629924 1962201420 2013306160 2016707015 2081762080 2264969430 2341982340 2407037405 2415967392 2420048418 2616268560 2888444886 3019959240 3122643120 3139522272 3226731224 3623951088 3630072627 3747171744 3851259848 3924402840 4026612320 4033414030 4332667329 4529938860 4683964680 4814074810 4840096836 5232537120 5776889772 6039918480 6050121045 6245286240 6453462448 7221112215 7247902176 7260145254 7702519696 7848805680 8066828060 8665334658 9059877720 9367929360 9628149620 9680193672 11553779544 12079836960 12100242090 12906924896 14442224430 14520290508 14923631911 15405039392 15697611360 16133656120 17330669316 18119755440 18150363135 18735858720 19256299240 19360387344 21663336645 23107559088 24200484180 28884448860 29040581016 29847263822 32267312240 34661338632 36239510880 36300726270 38512598480 38720774688 43326673290 44770895733 46215118176 48400968360 57768897720 58081162032 59694527644 64534624480 69322677264 72601452540 74618159555 77025196960 86653346580 89541791466 96801936720 115537795440 116162324064 119389055288 134312687199 138645354528 145202905080 149236319110 173306693160 179083582932 193603873440 223854478665 231075590880 238778110576 268625374398 290405810160 298472638220 346613386320 358167165864 447708957330 477556221152 537250748796 580811620320 596945276440 671563435995 693226772640 716334331728 895417914660 1074501497592 1193890552880 1343126871990 1432668663456 1790835829320 2149002995184 2387781105760 2686253743980 3581671658640 4298005990368 5372507487960 7163343317280 10745014975920 21490029951840
• Sum of all divisors σ(n): 77933036720448
• Sum of proper divisors (its aliquot sum) s(n): 56443006768608
• 21490029951840 is an abundant number, because the sum of its proper divisors (56443006768608) is greater than itself. Its abundance is 34952976816768

Bases of 21490029951840

• Binary: 100111000101110001001100110011111101101100000₂
• Hexadecimal: 0x138B8999FB60
• Base-36: 7M8DSZ6G0

Squares and roots of 21490029951840

• 21490029951840 squared (21490029951840²) is 461821387330980312719385600
• 21490029951840 cubed (21490029951840³) is 9924555446143068835888966265002389504000
• The square root of 21490029951840 is 4635734.0251399239
• The cube root of 21490029951840 is 27802.1899969963

Scales and comparisons

• 21,490,029,951,840 seconds is equal to 683,316 years, 24 weeks, 6 days, 12 hours, 24 minutes.
• To count from 1 to 21,490,029,951,840 would take you about one million, seven hundred eight thousand, two hundred ninety-one 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 21490029951840 cubic inches would be around 2316.8 feet tall.

Recreational maths with 21490029951840

• 21490029951840 backwards is 04815992009412
• The number of decimal digits it has is: 14
• The sum of 21490029951840's digits is 54
• More coming soon!