20688338513920

Names of 20688338513920

• Cardinal: 20688338513920 can be written as Twenty trillion, six hundred eighty-eight billion, three hundred thirty-eight million, five hundred thirteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.068833851392 × 10¹³

Factors of 20688338513920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 62

Divisors of 20688338513920

• Number of divisors d(n): 780
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 37 40 44 49 55 56 64 70 74 77 80 88 98 110 112 128 140 148 154 160 176 185 196 220 224 245 256 259 280 296 308 320 352 370 385 392 407 440 448 490 512 518 539 560 592 616 640 704 740 770 784 814 880 896 980 1024 1036 1078 1120 1184 1232 1280 1295 1369 1408 1480 1540 1568 1628 1760 1792 1813 1960 2035 2048 2072 2156 2240 2368 2464 2560 2590 2695 2738 2816 2849 2960 3080 3136 3256 3520 3584 3626 3920 4070 4096 4144 4312 4480 4736 4928 5120 5180 5390 5476 5632 5698 5920 6160 6272 6512 6845 7040 7168 7252 7840 8140 8288 8624 8960 9065 9472 9583 9856 10240 10360 10780 10952 11264 11396 11840 12320 12544 13024 13690 14080 14245 14336 14504 15059 15680 16280 16576 17248 17920 18130 18944 19166 19712 19943 20480 20720 21560 21904 22528 22792 23680 24640 25088 26048 27380 28160 28490 28672 29008 30118 31360 32560 33152 34496 35840 36260 37888 38332 39424 39886 41440 43120 43808 45056 45584 47360 47915 49280 50176 50653 52096 54760 56320 56980 58016 60236 62720 65120 66304 67081 68992 71680 72520 75295 75776 76664 78848 79772 82880 86240 87616 91168 94720 95830 98560 99715 100352 101306 104192 105413 109520 112640 113960 116032 120472 125440 130240 132608 134162 137984 143360 145040 150590 151552 153328 157696 159544 165760 172480 175232 182336 189440 191660 197120 199430 200704 202612 208384 210826 219040 225280 227920 232064 240944 250880 253265 260480 265216 268324 275968 290080 301180 306656 315392 319088 331520 335405 344960 350464 354571 364672 378880 383320 394240 398860 405224 416768 421652 438080 455840 464128 481888 501760 506530 520960 527065 530432 536648 551936 557183 580160 602360 613312 638176 663040 670810 689920 700928 709142 729344 737891 757760 766640 788480 797720 810448 833536 843304 876160 911680 928256 963776 1003520 1013060 1041920 1054130 1060864 1073296 1103872 1114366 1160320 1204720 1226624 1276352 1326080 1341620 1379840 1401856 1418284 1458688 1475782 1533280 1576960 1595440 1620896 1667072 1686608 1752320 1772855 1823360 1856512 1874161 1927552 2026120 2083840 2108260 2146592 2207744 2228732 2320640 2409440 2453248 2481997 2552704 2652160 2683240 2759680 2785915 2803712 2836568 2917376 2951564 3066560 3190880 3241792 3373216 3504640 3545710 3646720 3689455 3713024 3748322 3855104 3900281 4052240 4167680 4216520 4293184 4457464 4641280 4818880 4906496 4963994 5105408 5304320 5366480 5519360 5571830 5607424 5673136 5834752 5903128 6133120 6381760 6483584 6746432 7009280 7091420 7293440 7378910 7426048 7496644 7710208 7800562 8104480 8335360 8433040 8586368 8914928 9282560 9370805 9637760 9812992 9927988 10210816 10732960 11038720 11143660 11346272 11669504 11806256 12266240 12409985 12763520 12967168 13119127 13492864 14018560 14182840 14586880 14757820 14993288 15420416 15601124 16208960 16866080 17172736 17829856 18565120 18741610 19275520 19501405 19625984 19855976 20421632 20615771 21465920 22287320 22692544 23612512 24532480 24819970 25527040 25934336 26238254 26985728 27301967 28037120 28365680 29173760 29515640 29986576 30840832 31202248 32417920 33732160 34345472 35659712 37130240 37483220 38551040 39002810 39251968 39711952 40843264 41231542 42931840 44574640 45385088 47225024 49064960 49639940 51054080 51868672 52476508 53971456 54603934 56731360 58347520 59031280 59973152 61681664 62404496 64835840 65595635 67464320 68690944 71319424 74966440 77102080 78005620 79423904 81686528 82463084 85863680 89149280 90770176 91833889 94450048 98129920 99279880 102108160 103078855 103737344 104953016 107942912 109207868 113462720 118062560 119946304 124808992 129671680 131191270 134928640 136509835 137381888 142638848 144310397 149932880 154204160 156011240 158847808 164926168 171727360 178298560 181540352 183667778 188900096 196259840 198559760 204216320 206157710 207474688 209906032 215885824 218415736 226925440 236125120 239892608 249617984 259343360 262382540 269857280 273019670 274763776 285277696 288620794 299865760 308408320 312022480 317695616 329852336 343454720 356597120 363080704 367335556 377800192 397119520 408432640 412315420 419812064 431771648 436831472 453850880 459169445 472250240 479785216 499235968 518686720 524765080 539714560 546039340 570555392 577241588 599731520 624044960 635391232 659704672 686909440 713194240 721551985 726161408 734671112 755600384 794239040 824630840 839624128 873662944 907701760 918338890 944500480 959570432 998471936 1010172779 1037373440 1049530160 1079429120 1092078680 1141110784 1154483176 1199463040 1248089920 1270782464 1319409344 1373818880 1426388480 1443103970 1452322816 1469342224 1511200768 1588478080 1649261680 1679248256 1747325888 1815403520 1836677780 1889000960 1919140864 1996943872 2020345558 2099060320 2158858240 2184157360 2282221568 2308966352 2398926080 2496179840 2541564928 2638818688 2852776960 2886207940 2938684448 3022401536 3176956160 3298523360 3358496512 3494651776 3630807040 3673355560 3778001920 3838281728 3993887744 4040691116 4198120640 4368314720 4617932704 4797852160 4992359680 5050863895 5083129856 5277637376 5705553920 5772415880 5877368896 6353912320 6597046720 6716993024 6989303552 7261614080 7346711120 7556003840 7676563456 7987775488 8081382232 8396241280 8736629440 9235865408 9595704320 9984719360 10101727790 10166259712 10555274752 11411107840 11544831760 11754737792 12707824640 13194093440 13433986048 13978607104 14693422240 15112007680 15975550976 16162764464 16792482560 17473258880 18471730816 19191408640 19969438720 20203455580 21110549504 23089663520 23509475584 25415649280 26388186880 26867972096 27957214208 29386844480 32325528928 33584965120 34946517760 36943461632 38382817280 39938877440 40406911160 42221099008 46179327040 47018951168 50831298560 52776373760 53735944192 55914428416 58773688960 64651057856 67169930240 69893035520 73886923264 79877754880 80813822320 84442198016 92358654080 94037902336 105552747520 111828856832 117547377920 129302115712 134339860480 139786071040 147773846528 161627644640 184717308160 188075804672 211105495040 235094755840 258604231424 268679720960 279572142080 295547693056 323255289280 369434616320 376151609344 422210990080 470189511680 517208462848 559144284160 591095386112 646510578560 738869232640 940379023360 1034416925696 1293021157120 1477738465280 1880758046720 2068833851392 2586042314240 2955476930560 4137667702784 5172084628480 10344169256960 20688338513920
• Sum of all divisors σ(n): 64751583169944
• Sum of proper divisors (its aliquot sum) s(n): 44063244656024
• 20688338513920 is an abundant number, because the sum of its proper divisors (44063244656024) is greater than itself. Its abundance is 23374906142104

Bases of 20688338513920

• Binary: 100101101000011100001000100010111000000000000₂
• Hexadecimal: 0x12D0E1117000
• Base-36: 7C03ALDZ4

Squares and roots of 20688338513920

• 20688338513920 squared (20688338513920²) is 428007350466545594033766400
• 20688338513920 cubed (20688338513920³) is 8854760952897890493548454382076428288000
• The square root of 20688338513920 is 4548443.5265176153
• The cube root of 20688338513920 is 27452.0767609667

Scales and comparisons

• 20,688,338,513,920 seconds is equal to 657,825 years, 8 weeks, 6 days, 10 hours, 18 minutes, 40 seconds.
• To count from 1 to 20,688,338,513,920 would take you about one million, six hundred forty-four thousand, five hundred sixty-two 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 20688338513920 cubic inches would be around 2287.7 feet tall.

Recreational maths with 20688338513920

• 20688338513920 backwards is 02931583388602
• The number of decimal digits it has is: 14
• The sum of 20688338513920's digits is 58
• More coming soon!