21291025428480

Names of 21291025428480

• Cardinal: 21291025428480 can be written as Twenty-one trillion, two hundred ninety-one billion, twenty-five million, four hundred twenty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.129102542848 × 10¹³

Factors of 21291025428480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 2259

Divisors of 21291025428480

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 128 138 160 184 192 230 240 256 276 320 345 349 368 384 460 480 512 529 552 640 690 698 736 768 920 960 1024 1047 1058 1104 1280 1380 1396 1472 1536 1587 1745 1840 1877 1920 2048 2094 2116 2208 2560 2645 2760 2792 2944 3072 3174 3490 3680 3754 3840 4096 4188 4232 4416 5120 5235 5290 5520 5584 5631 5888 6144 6348 6980 7360 7508 7680 7935 8027 8376 8464 8832 9385 10240 10470 10580 11040 11168 11262 11776 12288 12696 13960 14720 15016 15360 15870 16054 16752 16928 17664 18770 20480 20940 21160 22080 22336 22524 23552 24081 25392 27920 28155 29440 30032 30720 31740 32108 33504 33856 35328 37540 40135 41880 42320 43171 44160 44672 45048 47104 48162 50784 55840 56310 58880 60064 61440 63480 64216 67008 67712 70656 75080 80270 83760 84640 86342 88320 89344 90096 94208 96324 101568 111680 112620 117760 120128 120405 126960 128432 129513 134016 135424 141312 150160 160540 167520 169280 172684 176640 178688 180192 184621 192648 203136 215855 223360 225240 235520 240256 240810 253920 256864 259026 268032 270848 282624 300320 321080 335040 338560 345368 353280 357376 360384 369242 385296 406272 431710 446720 450480 471040 480512 481620 507840 513728 518052 536064 541696 553863 600640 642160 647565 655073 670080 677120 690736 706560 714752 720768 738484 770592 812544 863420 893440 900960 923105 961024 963240 992933 1015680 1027456 1036104 1072128 1083392 1107726 1201280 1284320 1295130 1310146 1340160 1354240 1381472 1413120 1429504 1441536 1476968 1541184 1625088 1726840 1786880 1801920 1846210 1922048 1926480 1965219 1985866 2031360 2054912 2072208 2144256 2166784 2215452 2402560 2568640 2590260 2620292 2680320 2708480 2762944 2769315 2883072 2953936 2978799 3082368 3250176 3275365 3453680 3573760 3603840 3692420 3844096 3852960 3930438 3971732 4062720 4109824 4144416 4288512 4430904 4805120 4964665 5137280 5180520 5240584 5360640 5416960 5525888 5538630 5766144 5907872 5957598 6164736 6500352 6550730 6907360 7147520 7207680 7384840 7688192 7705920 7860876 7943464 8125440 8219648 8288832 8861808 9610240 9826095 9929330 10274560 10361040 10481168 10721280 10833920 11051776 11077260 11532288 11815744 11915196 12329472 13101460 13814720 14415360 14769680 14893995 15066679 15411840 15721752 15886928 16250880 16439296 16577664 17723616 19220480 19652190 19858660 20549120 20722080 20962336 21442560 22103552 22154520 23064576 23631488 23830392 24658944 26202920 27629440 28830720 29539360 29787990 30133358 30823680 31443504 31773856 32501760 32878592 33155328 35447232 38440960 39304380 39717320 41098240 41444160 41924672 44207104 44309040 45200037 47262976 47660784 49317888 52405840 55258880 57661440 59078720 59575980 60266716 61647360 62887008 63547712 66310656 70894464 75333395 78608760 79434640 82196480 82888320 83849344 88414208 88618080 90400074 94525952 95321568 98635776 104811680 110517760 115322880 118157440 119151960 120533432 123294720 125774016 127095424 132621312 141788928 150666790 157217520 158869280 164392960 165776640 167698688 176828416 177236160 180800148 189051904 190643136 209623360 221035520 226000185 236314880 238303920 241066864 246589440 251548032 254190848 265242624 283577856 301333580 314435040 317738560 331553280 335397376 346533617 354472320 361600296 378103808 381286272 419246720 442071040 452000370 472629760 476607840 482133728 493178880 503096064 508381696 530485248 567155712 602667160 628870080 635477120 663106560 670794752 693067234 708944640 723200592 756207616 762572544 838493440 884142080 904000740 945259520 953215680 964267456 1006192128 1016763392 1039600851 1134311424 1205334320 1257740160 1270954240 1326213120 1341589504 1386134468 1417889280 1446401184 1525145088 1676986880 1732668085 1808001480 1890519040 1906431360 1928534912 2012384256 2033526784 2079201702 2268622848 2410668640 2515480320 2541908480 2652426240 2683179008 2772268936 2835778560 2892802368 3050290176 3353973760 3465336170 3616002960 3781038080 3812862720 3857069824 4024768512 4067053568 4158403404 4821337280 5030960640 5083816960 5198004255 5544537872 5671557120 5785604736 6100580352 6707947520 6930672340 7232005920 7625725440 7714139648 8049537024 8316806808 9642674560 10061921280 10167633920 10396008510 11089075744 11343114240 11571209472 12201160704 13415895040 13861344680 14464011840 15251450880 15428279296 16633613616 19285349120 20123842560 20335267840 20792017020 22178151488 23142418944 27722689360 28928023680 30502901760 30856558592 33267227232 38570698240 40247685120 41584034040 44356302976 46284837888 55445378720 57856047360 61005803520 61713117184 66534454464 77141396480 83168068080 88712605952 92569675776 110890757440 115712094720 133068908928 154282792960 166336136160 177425211904 185139351552 221781514880 231424189440 266137817856 308565585920 332672272320 354850423808 443563029760 462848378880 532275635712 665344544640 709700847616 887126059520 925696757760 1064551271424 1330689089280 1419401695232 1774252119040 2129102542848 2661378178560 3548504238080 4258205085696 5322756357120 7097008476160 10645512714240 21291025428480
• Sum of all divisors σ(n): 71455708749600
• Sum of proper divisors (its aliquot sum) s(n): 50164683321120
• 21291025428480 is an abundant number, because the sum of its proper divisors (50164683321120) is greater than itself. Its abundance is 28873657892640

Bases of 21291025428480

• Binary: 100110101110100110100000000011111000000000000₂
• Hexadecimal: 0x135D3401F000
• Base-36: 7JOYMTLHC

Squares and roots of 21291025428480

• 21291025428480 squared (21291025428480²) is 453307763796181967595110400
• 21291025428480 cubed (21291025428480³) is 9651387125911915808004734879312904192000
• The square root of 21291025428480 is 4614219.9154873405
• The cube root of 21291025428480 is 27716.1046763879

Scales and comparisons

• 21,291,025,428,480 seconds is equal to 676,988 years, 39 weeks, 10 hours, 8 minutes.
• To count from 1 to 21,291,025,428,480 would take you about one million, six hundred ninety-two thousand, four hundred seventy-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 21291025428480 cubic inches would be around 2309.7 feet tall.

Recreational maths with 21291025428480

• 21291025428480 backwards is 08482452019212
• 21291025428480 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21291025428480's digits is 48
• More coming soon!