21369572439840

Names of 21369572439840

• Cardinal: 21369572439840 can be written as Twenty-one trillion, three hundred sixty-nine billion, five hundred seventy-two million, four hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.136957243984 × 10¹³

Factors of 21369572439840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 216

Divisors of 21369572439840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 79 80 90 96 108 120 127 135 144 158 160 180 216 237 240 254 270 288 316 360 381 395 432 474 480 508 540 632 635 711 720 762 790 864 948 1016 1080 1143 1185 1264 1270 1422 1440 1524 1580 1896 1905 2032 2133 2160 2286 2370 2528 2540 2844 3048 3160 3429 3555 3792 3810 4064 4266 4320 4572 4740 5080 5688 5715 6096 6241 6320 6858 7110 7584 7620 8532 9144 9480 10033 10160 10665 11376 11430 12192 12482 12640 13716 14220 15240 17064 17145 18288 18723 18960 20066 20320 21330 22752 22860 24964 27432 28440 30099 30480 31205 34128 34290 36576 37446 37920 40132 42660 45720 49928 50165 54864 56169 56880 60198 60960 62410 68256 68580 74892 80264 85320 90297 91440 93615 99856 100330 109728 112338 113760 120396 124820 137160 149784 150495 160528 168507 170640 180594 182880 187230 199712 200660 224676 240792 249640 270891 274320 280845 299568 300990 321056 337014 341280 361188 374460 401320 449352 451485 481584 493039 499280 541782 548640 561690 599136 601980 674028 722376 748920 792607 802640 842535 898704 902970 963168 986078 998560 1083564 1123380 1203960 1348056 1354455 1444752 1479117 1497840 1585214 1605280 1685070 1797408 1805940 1972156 2167128 2246760 2377821 2407920 2465195 2696112 2708910 2889504 2958234 2995680 3170428 3370140 3611880 3944312 3963035 4334256 4437351 4493520 4755642 4815840 4930390 5392224 5417820 5916468 6340856 6740280 7133463 7223760 7395585 7888624 7926070 8668512 8874702 8987040 9511284 9860780 10835640 11832936 11889105 12681712 13312053 13480560 14266926 14447520 14791170 15777248 15852140 17749404 19022568 19721560 21400389 21671280 22186755 23665872 23778210 25363424 26624106 26961120 28533852 29582340 31704280 35498808 35667315 38045136 38950081 39443120 42800778 43342560 44373510 47331744 47556420 53248212 57067704 59164680 62615953 63408560 66560265 70997616 71334630 76090272 77900162 78886240 85601556 88747020 95112840 106496424 107001945 114135408 116850243 118329360 125231906 126817120 133120530 141995232 142669260 155800324 171203112 177494040 187847859 190225680 194750405 212992848 214003890 228270816 233700486 236658720 250463812 266241060 285338520 311600648 313079765 342406224 350550729 354988080 375695718 380451360 389500810 425985696 428007780 467400972 500927624 532482120 563543577 570677040 584251215 623201296 626159530 684812448 701101458 709976160 751391436 779001620 856015560 934801944 939239295 1001855248 1051652187 1064964240 1127087154 1141354080 1168502430 1246402592 1252319060 1402202916 1502782872 1558003240 1690630731 1712031120 1752753645 1869603888 1878478590 2003710496 2103304374 2129928480 2254174308 2337004860 2504638120 2804405832 2817717885 3005565744 3116006480 3381261462 3424062240 3505507290 3739207776 3756957180 4206608748 4508348616 4674009720 4946660287 5009276240 5258260935 5608811664 5635435770 6011131488 6232012960 6762522924 7011014580 7513914360 8413217496 8453153655 9016697232 9348019440 9893320574 10018552480 10516521870 11217623328 11270871540 13525045848 14022029160 14839980861 15027828720 16826434992 16906307310 18033394464 18696038880 19786641148 21033043740 22541743080 24733301435 27050091696 28044058320 29679961722 30055657440 33652869984 33812614620 39573282296 42066087480 44519942583 45083486160 49466602870 54100183392 56088116640 59359923444 67625229240 74199904305 79146564592 84132174960 89039885166 90166972320 98933205740 118719846888 133559827749 135250458480 148399808610 158293129184 168264349920 178079770332 197866411480 222599712915 237439693776 267119655498 270500916960 296799617220 356159540664 395732822960 445199425830 474879387552 534239310996 593599234440 667799138745 712319081328 791465645920 890398851660 1068478621992 1187198468880 1335598277490 1424638162656 1780797703320 2136957243984 2374396937760 2671196554980 3561595406640 4273914487968 5342393109960 7123190813280 10684786219920 21369572439840
• Sum of all divisors σ(n): 76348870133760
• Sum of proper divisors (its aliquot sum) s(n): 54979297693920
• 21369572439840 is an abundant number, because the sum of its proper divisors (54979297693920) is greater than itself. Its abundance is 33609725254080

Bases of 21369572439840

• Binary: 100110110111101111101110001100011011100100000₂
• Hexadecimal: 0x136F7DC63720
• Base-36: 7KP1NONC0

Squares and roots of 21369572439840

• 21369572439840 squared (21369572439840²) is 456658626261569290419225600
• 21369572439840 cubed (21369572439840³) is 9758599594174425959491188341435387904000
• The square root of 21369572439840 is 4622723.4872789007
• The cube root of 21369572439840 is 27750.1463357661

Scales and comparisons

• 21,369,572,439,840 seconds is equal to 679,486 years, 15 weeks, 5 days, 8 hours, 24 minutes.
• To count from 1 to 21,369,572,439,840 would take you about one million, six hundred ninety-eight thousand, seven hundred fifteen 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 21369572439840 cubic inches would be around 2312.5 feet tall.

Recreational maths with 21369572439840

• 21369572439840 backwards is 04893427596312
• The number of decimal digits it has is: 14
• The sum of 21369572439840's digits is 63
• More coming soon!