21328721377440

Names of 21328721377440

• Cardinal: 21328721377440 can be written as Twenty-one trillion, three hundred twenty-eight billion, seven hundred twenty-one million, three hundred seventy-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.132872137744 × 10¹³

Factors of 21328721377440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 496

Divisors of 21328721377440

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 37 40 48 59 60 62 74 80 93 96 111 118 120 124 148 155 160 177 185 186 222 236 240 248 295 296 310 354 359 370 372 444 465 472 480 496 555 590 592 620 708 718 740 744 885 888 930 944 961 992 1077 1110 1147 1180 1184 1240 1416 1436 1480 1488 1770 1776 1795 1829 1860 1888 1922 2154 2183 2220 2294 2360 2480 2832 2872 2883 2960 2976 3441 3481 3540 3552 3590 3658 3720 3844 4308 4366 4440 4588 4720 4805 4960 5385 5487 5664 5735 5744 5766 5920 6549 6882 6962 7080 7180 7316 7440 7688 8616 8732 8880 9145 9176 9440 9610 10443 10770 10915 10974 11129 11470 11488 11532 13098 13283 13764 13924 14160 14360 14415 14632 14880 15376 17205 17232 17405 17464 17760 18290 18352 19220 20886 21181 21540 21830 21948 22258 22940 23064 26196 26566 27435 27528 27848 28320 28720 28830 29264 30752 32745 33387 34410 34464 34810 34928 35557 36580 36704 38440 39849 41772 42362 43080 43660 43896 44516 45880 46128 52215 52392 53132 54870 55056 55645 55696 56699 57440 57660 58528 63543 65490 66415 66774 67673 68820 69620 69856 71114 73160 76880 79698 83544 84724 86160 87320 87792 89032 91760 92256 104430 104784 105905 106264 106671 107911 109740 110112 111290 111392 113398 115320 127086 128797 130980 132830 133548 135346 137640 139240 142228 146320 153760 159396 166935 167088 169448 170097 172320 174640 175584 177785 178064 183520 199245 203019 208860 209568 211810 212528 213342 215822 219480 222580 226796 230640 254172 257594 261960 265660 267096 270692 275280 278480 283495 284456 292640 317715 318792 323733 333870 334176 338365 338896 340194 344999 349280 355570 356128 386391 398490 406038 411773 417720 423620 425056 426684 431644 438960 445160 453592 461280 508344 515188 523920 531320 533355 534192 539555 541384 550560 556960 566990 568912 635430 637584 643985 647466 656611 667740 676730 677792 680388 689998 711140 772782 783697 796980 812076 823546 835440 847240 850485 853368 863288 877920 890320 907184 1015095 1016688 1030376 1034997 1047840 1062640 1066710 1068384 1079110 1082768 1133980 1137824 1235319 1249679 1270860 1275168 1287970 1294932 1313222 1335480 1353460 1360776 1379996 1422280 1545564 1567394 1593960 1618665 1624152 1647092 1670880 1694480 1700970 1706736 1724995 1726576 1780640 1814368 1931955 1969833 2030190 2033376 2058865 2060752 2069994 2097863 2125280 2133420 2158220 2165536 2267960 2351091 2470638 2499358 2541720 2575940 2589864 2626444 2670960 2706920 2721552 2759992 2844560 3091128 3134788 3187920 3237330 3248304 3283055 3294184 3345241 3388960 3401940 3413472 3449990 3453152 3749037 3863910 3918485 3939666 3992707 4060380 4117730 4121504 4139988 4195726 4266840 4316440 4535920 4702182 4941276 4998716 5083440 5151880 5174985 5179728 5252888 5341920 5413840 5443104 5519984 5689120 6176595 6182256 6248395 6269576 6293589 6375840 6474660 6496608 6566110 6588368 6690482 6803880 6899980 7498074 7727820 7836970 7879332 7985414 8120760 8235460 8279976 8391452 8533680 8632880 9071840 9404364 9849165 9882552 9997432 10035723 10166880 10303760 10349970 10359456 10489315 10505776 10827680 11039968 11755455 11978121 12353190 12364512 12496790 12539152 12587178 12764963 12949320 13132220 13176736 13380964 13607760 13799960 14996148 15455640 15673940 15758664 15970828 16241520 16470920 16559952 16726205 16782904 17067360 17265760 18745185 18808728 19698330 19765104 19963535 19994864 20071446 20354941 20607520 20699940 20978630 21011552 23510910 23956242 24294607 24706380 24993580 25078304 25174356 25529926 25898640 26264440 26761928 27215520 27599920 29992296 30911280 31347880 31467945 31517328 31941656 32483040 32941840 33119904 33452410 33565808 37490370 37617456 38294889 38740049 39396660 39530208 39927070 39989728 40142892 40709882 41399880 41957260 46238123 47021820 47912484 48589214 49412760 49987160 50178615 50348712 51059852 51797280 52528880 53523856 55199840 59890605 59984592 61064823 61822560 62695760 62935890 63034656 63824815 63883312 65883680 66904820 67131616 72883821 74980740 75234912 76589778 77480098 78793320 79854140 80285784 81419764 82799760 83914520 92476246 94043640 95824968 97178428 98825520 99974320 100357230 100697424 101774705 102119704 105057760 107047712 116220147 119781210 119969184 121473035 122129646 123773917 125391520 125871780 127649630 127766624 133809640 138714369 145767642 149961480 153179556 154960196 157586640 159708280 160571568 162839528 165599520 167829040 184952492 188087280 191474445 191649936 193700245 194356856 197651040 199948640 200714460 201394848 203549410 204239408 231190615 232440294 239562420 242946070 244259292 247547834 251743560 255299260 267619280 277428738 291535284 299922960 305324115 306359112 309920392 315173280 319416560 321143136 325679056 335658080 364419105 369904984 371321751 376174560 382948890 383299872 387400490 388713712 401428920 407098820 408478816 462381230 464880588 479124840 485892140 488518584 495095668 503487120 510598520 535238560 554857476 581100735 583070568 599845920 610648230 612718224 618869585 619840784 638833120 651358112 693571845 728838210 739809968 742643502 753132817 765897780 774800980 777427424 802857840 814197640 924762460 929761176 958249680 971784280 977037168 990191336 1006974240 1021197040 1109714952 1162201470 1166141136 1200941519 1221296460 1225436448 1237739170 1239681568 1387143690 1433381813 1457676420 1479619936 1485287004 1506265634 1531795560 1549601960 1605715680 1628395280 1849524920 1856608755 1859522352 1916499360 1943568560 1954074336 1980382672 2042394080 2219429904 2259398451 2324402940 2332282272 2401883038 2442592920 2475478340 2774287380 2866763626 2915352840 2970574008 3012531268 3063591120 3099203920 3256790560 3602824557 3699049840 3713217510 3719044704 3765664085 3887137120 3960765344 4300145439 4438859808 4518796902 4648805880 4803766076 4885185840 4950956680 5548574760 5733527252 5830705680 5941148016 6004707595 6025062536 6127182240 6198407840 7166909065 7205649114 7398099680 7426435020 7531328170 8600290878 9037593804 9297611760 9607532152 9770371680 9901913360 11097149520 11296992255 11467054504 11661411360 11882296032 12009415190 12050125072 14333818130 14411298228 14852870040 15062656340 17200581756 18014122785 18075187608 18595223520 19215064304 19803826720 21500727195 22194299040 22593984510 22934109008 24018830380 24100250144 28667636260 28822596456 29705740080 30125312680 34401163512 36028245570 36150375216 38430128608 43001454390 44434836203 45187969020 45868218016 48037660760 57335272520 57645192912 59411480160 60250625360 68802327024 72056491140 72300750432 86002908780 88869672406 90375938040 96075321520 114670545040 115290385824 120501250720 133304508609 137604654048 144112982280 172005817560 177739344812 180751876080 192150643040 222174181015 229341090080 266609017218 288225964560 344011635120 355478689624 361503752160 444348362030 533218034436 576451929120 666522543045 688023270240 710957379248 888696724060 1066436068872 1333045086090 1421914758496 1777393448120 2132872137744 2666090172180 3554786896240 4265744275488 5332180344360 7109573792480 10664360688720 21328721377440
• Sum of all divisors σ(n): 72729912286080
• Sum of proper divisors (its aliquot sum) s(n): 51401190908640
• 21328721377440 is an abundant number, because the sum of its proper divisors (51401190908640) is greater than itself. Its abundance is 30072469531200

Bases of 21328721377440

• Binary: 100110110010111111010110111000111100010100000₂
• Hexadecimal: 0x1365FADC78A0
• Base-36: 7K6A20LUO

Squares and roots of 21328721377440

• 21328721377440 squared (21328721377440²) is 454914355596466050940953600
• 21328721377440 cubed (21328721377440³) is 9702741541114687362821533075499126784000
• The square root of 21328721377440 is 4618302.8676603703
• The cube root of 21328721377440 is 27732.4522352261

Scales and comparisons

• 21,328,721,377,440 seconds is equal to 678,187 years, 19 weeks, 3 hours, 4 minutes.
• To count from 1 to 21,328,721,377,440 would take you about one million, six hundred ninety-five thousand, four hundred sixty-eight 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 21328721377440 cubic inches would be around 2311 feet tall.

Recreational maths with 21328721377440

• 21328721377440 backwards is 04477312782312
• The number of decimal digits it has is: 14
• The sum of 21328721377440's digits is 51
• More coming soon!