21382139798721240

Names of 21382139798721240

• Cardinal: 21382139798721240 can be written as Twenty-one quadrillion, three hundred eighty-two trillion, one hundred thirty-nine billion, seven hundred ninety-eight million, seven hundred twenty-one thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.138213979872124 × 10¹⁶

Factors of 21382139798721240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1610259

Divisors of 21382139798721240

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 31 33 35 40 42 44 55 56 60 62 66 70 77 84 88 93 105 110 120 124 132 140 154 155 165 168 186 210 217 220 231 248 264 280 308 310 330 341 372 385 420 434 440 462 465 616 620 651 660 682 744 770 840 868 924 930 1023 1085 1155 1240 1302 1320 1364 1540 1705 1736 1848 1860 2046 2170 2310 2387 2604 2728 3080 3255 3410 3720 4092 4340 4620 4774 5115 5208 6510 6820 7161 8184 8680 9240 9548 10230 11935 13020 13640 14322 19096 20460 23870 26040 28644 35805 40920 47740 47777 57288 71610 95480 95554 143220 143331 191108 238885 286440 286662 334439 382216 477770 525547 573324 668878 716655 955540 1003317 1051094 1146648 1337756 1433310 1481087 1562423 1576641 1672195 1911080 2006634 2102188 2627735 2675512 2866620 2962174 3124846 3153282 3344390 3678829 4013268 4204376 4443261 4687269 5016585 5255470 5733240 5924348 6249692 6306564 6688780 7357658 7405435 7812115 7883205 8026536 8886522 9374538 10033170 10367609 10510940 10936961 11036487 11848696 12499384 12613128 13377560 14715316 14810870 15624230 15766410 16291957 17186653 17773044 18394145 18749076 20066340 20735218 21021880 21873922 22072974 22216305 23436345 29430632 29621740 31102827 31248460 31532820 32583914 32810883 34373306 35546088 36788290 37498152 40132680 41470436 43747844 44145948 44432610 46872690 48435113 48875871 51559959 51838045 54684805 55182435 59243480 62205654 62496920 63065640 65167828 65621766 68746612 73576580 81459785 82940872 85933265 87495688 88291896 88865220 93745380 96870226 97751742 103119918 103676090 109369610 110364870 114043699 120306571 124411308 130335656 131243532 137493224 145305339 147153160 155514135 162919570 164054415 171866530 177730440 187490760 193740452 195503484 206239836 207352180 218739220 220729740 228087398 240613142 242175565 244379355 248822616 257799795 262487064 290610678 311028270 325839140 328108830 339045791 342131097 343733060 360919713 387480904 391006968 412479672 414704360 437478440 441459480 456174796 481226284 484351130 488758710 515599590 532786243 570218495 581221356 601532855 622056540 651678280 656217660 678091582 684262194 687466120 721839426 726526695 912349592 962452568 968702260 977517420 1017137373 1031199180 1065572486 1140436990 1162442712 1203065710 1244113080 1312435320 1356183164 1368524388 1443678852 1453053390 1598358729 1695228955 1710655485 1804598565 1937404520 1955034840 2034274746 2062398360 2131144972 2280873980 2406131420 2663931215 2712366328 2737048776 2887357704 2906106780 3196717458 3390457910 3421310970 3609197130 3729503701 4068549492 4262289944 4561747960 4812262840 5085686865 5327862430 5812213560 6393434916 6780915820 6842621940 7218394260 7459007402 7991793645 8137098984 10171373730 10655724860 11188511103 12786869832 13561831640 13685243880 14436788520 14918014804 15983587290 18647518505 20342747460 21311449720 22377022206 29836029608 31967174580 37295037010 40685494920 44754044412 55942555515 63934349160 74590074020 74647883671 89508088824 111885111030 149180148040 149295767342 223770222060 223943651013 298591534684 373239418355 447540444120 447887302026 522535185697 597183069368 746478836710 821126720381 895774604052 1045070371394 1119718255065 1492957673420 1567605557091 1642253440762 1791549208104 2090140742788 2239436510130 2314084393801 2463380161143 2612675928485 2985915346840 3135211114182 3284506881524 4105633601905 4180281485576 4478873020260 4628168787602 4926760322286 5225351856970 5747887042667 6270422228364 6569013763048 6942253181403 7838027785455 8211267203810 8957746040520 9256337575204 9853520644572 10450703713940 11495774085334 11570421969005 12316900805715 12540844456728 13884506362806 15676055570910 16198590756607 16422534407620 17243661128001 18512675150408 19707041289144 20901407427880 22991548170668 23140843938010 24633801611430 25454928331811 27769012725612 28739435213335 31352111141820 32397181513214 32845068815240 34487322256002 34711265907015 45983096341336 46281687876020 48595772269821 49267603222860 50909856663622 55538025451224 57478870426670 62704222283640 64794363026428 68974644512004 69422531814030 76364784995433 80992953783035 86218305640005 92563375752040 97191544539642 98535206445720 101819713327244 114957740853340 127274641659055 129588726052856 137949289024008 138845063628060 152729569990866 161985907566070 172436611280010 178184498322677 194383089079284 203639426654488 229915481706680 242978861349105 254549283318110 277690127256120 305459139981732 323971815132140 344873222560020 356368996645354 381823924977165 388766178158568 485957722698210 509098566636220 534553494968031 610918279963464 647943630264280 689746445120040 712737993290708 763647849954330 890922491613385 971915445396420 1018197133272440 1069106989936062 1425475986581416 1527295699908660 1781844983226770 1943830890792840 2138213979872124 2672767474840155 3054591399817320 3563689966453540 4276427959744248 5345534949680310 7127379932907080 10691069899360620 21382139798721240
• Sum of all divisors σ(n): 82556368262922240
• Sum of proper divisors (its aliquot sum) s(n): 61174228464201000
• 21382139798721240 is an abundant number, because the sum of its proper divisors (61174228464201000) is greater than itself. Its abundance is 39792088665479760

Bases of 21382139798721240

• Binary: 1001011111101101111000101011111001111011001001011011000₂
• Hexadecimal: 0x4BF6F15F3D92D8
• Base-36: 5UJC3F1O34O

Squares and roots of 21382139798721240

• 21382139798721240 squared (21382139798721240²) is 457195902372058789820339227137600
• 21382139798721240 cubed (21382139798721240³) is 9775826699921868825640016340009460046385522624000
• The square root of 21382139798721240 is 146226330.7298697145
• The cube root of 21382139798721240 is 277555.8518588705

Scales and comparisons

• 21,382,139,798,721,240 seconds is equal to 679,885,906 years, 15 weeks, 3 days, 14 hours, 34 minutes.
• To count from 1 to 21,382,139,798,721,240 would take you about two billion, thirty-nine million, six hundred fifty-seven thousand, seven hundred eighteen 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 21382139798721240 cubic inches would be around 23129.7 feet tall.

Recreational maths with 21382139798721240

• 21382139798721240 backwards is 04212789793128312
• The number of decimal digits it has is: 17
• The sum of 21382139798721240's digits is 69
• More coming soon!