21689697931440

Names of 21689697931440

• Cardinal: 21689697931440 can be written as Twenty-one trillion, six hundred eighty-nine billion, six hundred ninety-seven million, nine hundred thirty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.168969793144 × 10¹³

Factors of 21689697931440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 36388

Divisors of 21689697931440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 33 35 40 42 44 48 49 55 56 60 66 70 77 80 84 88 98 105 110 112 120 132 140 147 154 165 168 176 196 210 220 231 240 245 264 280 294 308 330 336 385 392 420 440 462 490 528 539 560 588 616 660 735 770 784 840 880 924 980 1078 1155 1176 1232 1320 1470 1540 1617 1680 1848 1960 2156 2310 2352 2640 2695 2940 3080 3234 3696 3920 4312 4620 5390 5419 5880 6160 6468 8085 8624 9240 10780 10838 11760 12936 16170 16257 18480 21560 21676 25872 27095 30941 32340 32514 37933 43120 43352 54190 59609 61882 64680 65028 75866 81285 86704 92823 108380 113799 119218 123764 129360 130056 151732 154705 162570 178827 185646 189665 216587 216760 227598 238436 247528 260112 265531 298045 303464 309410 325140 340351 357654 371292 379330 417263 433174 433520 455196 464115 476872 495056 531062 568995 596090 606928 618820 649761 650280 680702 715308 742584 758660 796593 834526 866348 894135 910392 928230 953744 1021053 1062124 1082935 1137990 1192180 1237640 1251789 1299522 1300560 1327655 1361404 1430616 1485168 1516109 1517320 1593186 1669052 1701755 1732696 1788270 1820784 1856460 2042106 2086315 2124248 2165870 2275980 2382457 2384360 2475280 2503578 2599044 2655310 2722808 2861232 2920841 3032218 3034640 3186372 3248805 3338104 3403510 3465392 3576540 3712920 3982965 4084212 4172630 4248496 4331740 4548327 4551960 4764914 4768720 5007156 5105265 5198088 5310620 5445616 5841682 6064436 6258945 6372744 6497610 6676208 6807020 7147371 7153080 7425840 7580545 7965930 8168424 8345260 8663480 8762523 9096654 9103920 9529828 10014312 10210530 10396176 10621240 11683364 11912285 12128872 12517890 12745488 12995220 13614040 14294742 14306160 14604205 15161090 15931860 16336848 16677199 16690520 17326960 17525046 18193308 19059656 20028624 20421060 21242480 22741635 23366728 23824570 24257744 25035780 25990440 27228080 28589484 29208410 30322180 31863720 33354398 33381040 35050092 35736855 36386616 38119312 40842120 43812615 45483270 46733456 47649140 50031597 50071560 51980880 57178968 58416820 60644360 63727440 66708796 70100184 71473710 72773232 81684240 83385995 87625230 90966540 95298280 100063194 100143120 114357936 116833640 121288720 133417592 140200368 142947420 166771990 167669279 175250460 181933080 190596560 200126388 233667280 250157985 266835184 285894840 333543980 335338558 350500920 363866160 400252776 500315970 503007837 571789680 667087960 670677116 701001840 800505552 838346395 1000631940 1006015674 1173684953 1334175920 1341354232 1676692790 1844362069 2001263880 2012031348 2347369906 2515039185 2682708464 3353385580 3521054859 3688724138 4002527760 4024062696 4694739812 5030078370 5533086207 5868424765 6706771160 7042109718 7377448276 8048125392 8215794671 9221810345 9389479624 10060156740 11066172414 11736849530 12910534483 13413542320 14084219436 14754896552 16431589342 17605274295 18443620690 18778959248 20120313480 22132344828 23473699060 24647384013 25821068966 27665431035 28168438872 29509793104 32863178684 35210548590 36887241380 38731603449 40240626960 41078973355 44264689656 46947398120 49294768026 51642137932 55330862070 56336877744 64552672415 65726357368 70421097180 73774482760 77463206898 82157946710 88529379312 90373741381 93894796240 98589536052 103284275864 110661724140 123236920065 129105344830 131452714736 140842194360 147548965520 154926413796 164315893420 180747482762 193658017245 197179072104 206568551728 221323448280 246473840130 258210689660 271121224143 281684388720 309852827592 328631786840 361494965524 387316034490 394358144208 442646896560 451868706905 492947680260 516421379320 542242448286 619705655184 657263573680 722989931048 774632068980 903737413810 985895360520 1032842758640 1084484896572 1355606120715 1445979862096 1549264137960 1807474827620 1971790721040 2168969793144 2711212241430 3098528275920 3614949655240 4337939586288 5422424482860 7229899310480 10844848965720 21689697931440
• Sum of all divisors σ(n): 85344729373440
• Sum of proper divisors (its aliquot sum) s(n): 63655031442000
• 21689697931440 is an abundant number, because the sum of its proper divisors (63655031442000) is greater than itself. Its abundance is 41965333510560

Bases of 21689697931440

• Binary: 100111011101000000110101111011001000010110000₂
• Hexadecimal: 0x13BA06BD90B0
• Base-36: 7OS3Y4XIO

Squares and roots of 21689697931440

• 21689697931440 squared (21689697931440²) is 470442996357112614940473600
• 21689697931440 cubed (21689697931440³) is 10203766484947300939805519480653929984000
• The square root of 21689697931440 is 4657219.9788543381
• The cube root of 21689697931440 is 27888.0298472689

Scales and comparisons

• 21,689,697,931,440 seconds is equal to 689,665 years, 15 weeks, 5 days, 12 hours, 4 minutes.
• To count from 1 to 21,689,697,931,440 would take you about one million, seven hundred twenty-four thousand, one hundred sixty-three 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 21689697931440 cubic inches would be around 2324 feet tall.

Recreational maths with 21689697931440

• 21689697931440 backwards is 04413979698612
• The number of decimal digits it has is: 14
• The sum of 21689697931440's digits is 69
• More coming soon!