21020949109440

Names of 21020949109440

• Cardinal: 21020949109440 can be written as Twenty-one trillion, twenty billion, nine hundred forty-nine million, one hundred nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.102094910944 × 10¹³

Factors of 21020949109440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 58

Divisors of 21020949109440

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 41 42 45 48 54 56 60 63 64 70 72 80 81 82 84 90 96 105 108 112 120 123 126 135 140 144 160 162 164 168 180 189 192 205 210 216 224 240 246 252 270 280 287 288 315 320 324 328 336 360 369 378 405 410 420 432 448 480 492 504 540 560 567 574 576 615 630 648 656 672 720 738 756 810 820 840 861 864 945 960 984 1008 1080 1107 1120 1134 1148 1230 1260 1296 1312 1344 1435 1440 1476 1512 1620 1640 1680 1681 1722 1728 1845 1890 1968 2016 2160 2214 2240 2268 2296 2460 2520 2583 2592 2624 2835 2870 2880 2952 3024 3240 3280 3321 3360 3362 3444 3690 3780 3936 4032 4305 4320 4428 4536 4592 4920 5040 5043 5166 5184 5535 5670 5740 5904 6048 6480 6560 6642 6720 6724 6888 7380 7560 7749 7872 8405 8610 8640 8856 9072 9184 9840 10080 10086 10332 11070 11340 11480 11767 11808 12096 12915 12960 13120 13284 13448 13776 14760 15120 15129 15498 16605 16810 17220 17712 18144 18368 19680 20160 20172 20664 22140 22680 22960 23247 23534 23616 25215 25830 25920 26568 26896 27552 29520 30240 30258 30996 33210 33620 34440 35301 35424 36288 38745 39360 40344 41328 44280 45360 45387 45920 46494 47068 50430 51660 53136 53792 55104 58835 59040 60480 60516 61992 66420 67240 68880 68921 70602 70848 75645 77490 80688 82656 88560 90720 90774 91840 92988 94136 100860 103320 105903 106272 107584 116235 117670 118080 121032 123984 132840 134480 136161 137760 137842 141204 151290 154980 161376 165312 176505 177120 181440 181548 185976 188272 201720 206640 206763 211806 212544 226935 232470 235340 242064 247968 265680 268960 272322 275520 275684 282408 302580 309960 317709 322752 344605 353010 354240 363096 371952 376544 403440 413280 413526 423612 453870 464940 470680 482447 484128 495936 529515 531360 537920 544644 551368 564816 605160 619920 620289 635418 680805 689210 706020 726192 743904 753088 806880 826560 827052 847224 907740 929880 941360 953127 964894 968256 1033815 1059030 1062720 1089288 1102736 1129632 1210320 1239840 1240578 1270836 1361610 1378420 1412040 1447341 1452384 1487808 1588545 1613760 1654104 1694448 1815480 1859760 1860867 1882720 1906254 1929788 2067630 2118060 2178576 2205472 2259264 2412235 2420640 2479680 2481156 2541672 2723220 2756840 2824080 2825761 2894682 2904768 3101445 3177090 3308208 3388896 3630960 3719520 3721734 3765440 3812508 3859576 4135260 4236120 4342023 4357152 4410944 4765635 4824470 4841280 4962312 5083344 5446440 5513680 5582601 5648160 5651522 5789364 6202890 6354180 6616416 6777792 7236705 7261920 7439040 7443468 7625016 7719152 8270520 8472240 8477283 8684046 8714304 9304335 9531270 9648940 9924624 10166688 10892880 11027360 11165202 11296320 11303044 11578728 12405780 12708360 13026069 13232832 14128805 14473410 14523840 14886936 15250032 15438304 16541040 16944480 16954566 17368092 18608670 19062540 19297880 19780327 19849248 20333376 21710115 21785760 22054720 22330404 22606088 23157456 24811560 25416720 25431849 26052138 27913005 28257610 28946820 29773872 30500064 30876608 33082080 33888960 33909132 34736184 37217340 38125080 38595760 39078207 39560654 39698496 42386415 43420230 43571520 44660808 45212176 46314912 49623120 50833440 50863698 52104276 55826010 56515220 57893640 59340981 59547744 61000128 65130345 66164160 67818264 69472368 74434680 76250160 76295547 77191520 78156414 79121308 84772830 86840460 89321616 90424352 92629824 98901635 99246240 101666880 101727396 104208552 111652020 113030440 115787280 115856201 118681962 119095488 127159245 130260690 135636528 138944736 148869360 152500320 152591094 154383040 156312828 158242616 169545660 173680920 178022943 178643232 180848704 195391035 197803270 198492480 203454792 208417104 223304040 226060880 228886641 231574560 231712402 237363924 254318490 260521380 271273056 277889472 296704905 297738720 305000640 305182188 312625656 316485232 339091320 347361840 347568603 356045886 357286464 381477735 390782070 395606540 406909584 416834208 446608080 452121760 457773282 463149120 463424804 474727848 508636980 521042760 534068829 542546112 579281005 593409810 595477440 610364376 625251312 632970464 678182640 694723680 695137206 712091772 762955470 781564140 791213080 810993407 813819168 833668416 890114715 893216160 904243520 915546564 926849608 949455696 1017273960 1042085520 1042705809 1068137658 1144433205 1158562010 1186819620 1220728752 1250502624 1265940928 1356365280 1389447360 1390274412 1424183544 1525910940 1563128280 1582426160 1602206487 1621986814 1627638336 1737843015 1780229430 1786432320 1831093128 1853699216 1898911392 2034547920 2084171040 2085411618 2136275316 2288866410 2317124020 2373639240 2432980221 2441457504 2501005248 2670344145 2712730560 2780548824 2848367088 3051821880 3126256560 3128117427 3164852320 3204412974 3243973628 3475686030 3560458860 3662186256 3707398432 3797822784 4054967035 4069095840 4168342080 4170823236 4272550632 4577732820 4634248040 4747278480 4865960442 4882915008 5213529045 5340688290 5561097648 5696734176 6103643760 6252513120 6256234854 6329704640 6408825948 6487947256 6951372060 7120917720 7298940663 7324372512 7414796864 8011032435 8109934070 8138191680 8341646472 8545101264 9155465640 9268496080 9384352281 9494556960 9731920884 10427058090 10681376580 11122195296 11393468352 12164901105 12207287520 12505026240 12512469708 12817651896 12975894512 13902744120 14241835440 14597881326 14648745024 15640587135 16022064870 16219868140 16683292944 17090202528 18310931280 18536992160 18768704562 18989113920 19463841768 20854116180 21362753160 21896821989 22244390592 24329802210 24414575040 25024939416 25635303792 25951789024 27805488240 28483670880 29195762652 31281174270 32044129740 32439736280 33366585888 34180405056 36494703315 36621862560 37073984320 37537409124 38927683536 41708232360 42725506320 43793643978 46921761405 48659604420 50049878832 51270607584 51903578048 55610976480 56967341760 58391525304 62562348540 64088259480 64879472560 65690465967 66733171776 72989406630 73243725120 75074818248 77855367072 83416464720 85451012640 87587287956 93843522810 97319208840 100099757664 102541215168 109484109945 111221952960 116783050608 125124697080 128176518960 129758945120 131380931934 145978813260 150149636496 155710734144 166832929440 170902025280 175174575912 187687045620 194638417680 200199515328 218968219890 233566101216 250249394160 256353037920 259517890240 262761863868 291957626520 300299272992 328452329835 333665858880 350349151824 375374091240 389276835360 437936439780 467132202432 500498788320 512706075840 525523727736 583915253040 600598545984 656904659670 700698303648 750748182480 778553670720 875872879560 1000997576640 1051047455472 1167830506080 1313809319340 1401396607296 1501496364960 1751745759120 2102094910944 2335661012160 2627618638680 3002992729920 3503491518240 4204189821888 5255237277360 7006983036480 10510474554720 21020949109440
• Sum of all divisors σ(n): 87593822227296
• Sum of proper divisors (its aliquot sum) s(n): 66572873117856
• 21020949109440 is an abundant number, because the sum of its proper divisors (66572873117856) is greater than itself. Its abundance is 45551924008416

Bases of 21020949109440

• Binary: 100110001111001010010001101000101101011000000₂
• Hexadecimal: 0x131E52345AC0
• Base-36: 7G8W2CS00

Squares and roots of 21020949109440

• 21020949109440 squared (21020949109440²) is 441880301461666329097113600
• 21020949109440 cubed (21020949109440³) is 9288743329489693550932404089194512384000
• The square root of 21020949109440 is 4584860.8604231381
• The cube root of 21020949109440 is 27598.4128425687

Scales and comparisons

• 21,020,949,109,440 seconds is equal to 668,401 years, 8 weeks, 2 days, 2 hours, 24 minutes.
• To count from 1 to 21,020,949,109,440 would take you about one million, six hundred seventy-one thousand and two 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 21020949109440 cubic inches would be around 2299.9 feet tall.

Recreational maths with 21020949109440

• 21020949109440 backwards is 04490194902012
• 21020949109440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21020949109440's digits is 45
• More coming soon!