21688648960

Names of 21688648960

• Cardinal: 21688648960 can be written as Twenty-one billion, six hundred eighty-eight million, six hundred forty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.168864896 × 10¹⁰

Factors of 21688648960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 305

Divisors of 21688648960

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 19 20 22 32 34 38 40 44 55 64 68 76 80 85 88 95 110 128 136 152 160 170 176 187 190 209 220 251 256 272 304 320 323 340 352 361 374 380 418 440 502 544 608 640 646 680 704 722 748 760 836 880 935 1004 1045 1088 1216 1255 1280 1292 1360 1408 1444 1496 1520 1615 1672 1760 1805 1870 2008 2090 2176 2432 2510 2584 2720 2761 2816 2888 2992 3040 3230 3344 3520 3553 3610 3740 3971 4016 4180 4267 4352 4769 4864 5020 5168 5440 5522 5776 5984 6080 6137 6460 6688 7040 7106 7220 7480 7942 8032 8360 8534 9538 10040 10336 10880 11044 11552 11968 12160 12274 12920 13376 13805 14080 14212 14440 14960 15884 16064 16720 17068 17765 19076 19855 20080 20672 21335 21760 22088 23104 23845 23936 24320 24548 25840 26752 27610 28424 28880 29920 30685 31768 32128 33440 34136 35530 38152 39710 40160 41344 42670 44176 46208 46937 47690 47872 49096 51680 52459 53504 55220 56848 57760 59840 61370 63536 64256 66880 67507 68272 71060 76304 79420 80320 81073 82688 85340 88352 90611 92416 93874 95380 98192 103360 104918 110440 113696 115520 119680 122740 127072 133760 135014 136544 142120 152608 158840 160640 162146 170680 176704 181222 187748 190760 196384 206720 209836 220880 227392 231040 234685 239360 245480 254144 262295 267520 270028 273088 284240 305216 317680 321280 324292 337535 341360 353408 362444 375496 381520 392768 405365 413440 419672 441760 453055 454784 462080 469370 490960 508288 524590 540056 546176 568480 610432 635360 648584 675070 682720 706816 724888 750992 763040 785536 810730 839344 883520 891803 906110 909568 938740 981920 996721 1016576 1049180 1080112 1092352 1136960 1220864 1270720 1297168 1350140 1365440 1449776 1501984 1526080 1540387 1571072 1621460 1678688 1767040 1783606 1812220 1877480 1963840 1993442 2098360 2160224 2273920 2541440 2594336 2700280 2730880 2899552 3003968 3052160 3080774 3242920 3357376 3534080 3567212 3624440 3754960 3927680 3986884 4196720 4320448 4459015 4547840 4983605 5082880 5188672 5400560 5461760 5799104 6007936 6104320 6161548 6485840 6714752 7134424 7248880 7509920 7701935 7855360 7973768 8393440 8640896 8918030 9967210 10377344 10801120 11598208 12015872 12323096 12971680 13429504 14268848 14497760 15019840 15403870 15947536 16786880 16944257 17281792 17836060 19934420 20754688 21602240 23196416 24646192 25943360 28537696 28995520 30039680 30807740 31895072 33573760 33888514 35672120 39868840 43204480 49292384 51886720 57075392 57991040 60079360 61615480 63790144 67147520 67777028 71344240 79737680 84721285 86408960 98584768 103773440 114150784 115982080 123230960 127580288 135554056 142688480 159475360 169442570 197169536 228301568 246461920 255160576 271108112 285376960 318950720 338885140 394339072 492923840 542216224 570753920 637901440 677770280 985847680 1084432448 1141507840 1275802880 1355540560 1971695360 2168864896 2711081120 4337729792 5422162240 10844324480 21688648960
• Sum of all divisors σ(n): 63584523072
• Sum of proper divisors (its aliquot sum) s(n): 41895874112
• 21688648960 is an abundant number, because the sum of its proper divisors (41895874112) is greater than itself. Its abundance is 20207225152

Bases of 21688648960

• Binary: 10100001100101111101000010100000000₂
• Hexadecimal: 0x50CBE8500
• Base-36: 9YOV0N4

Squares and roots of 21688648960

• 21688648960 squared (21688648960²) is 470397493710109081600
• 21688648960 cubed (21688648960³) is 10202286112742363874130395136000
• The square root of 21688648960 is 147270.6656466249
• The cube root of 21688648960 is 2788.7580260273

Scales and comparisons

• 21,688,648,960 seconds is equal to 689 years, 32 weeks, 6 days, 42 minutes, 40 seconds.
• To count from 1 to 21,688,648,960 would take you about one thousand, three hundred seventy-nine 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 21688648960 cubic inches would be around 232.4 feet tall.

Recreational maths with 21688648960

• 21688648960 backwards is 06984688612
• The number of decimal digits it has is: 11
• The sum of 21688648960's digits is 58
• More coming soon!