21215016689778000

Names of 21215016689778000

• Cardinal: 21215016689778000 can be written as Twenty-one quadrillion, two hundred fifteen trillion, sixteen billion, six hundred eighty-nine million, seven hundred seventy-eight thousand.

Scientific notation

• Scientific notation: 2.1215016689778 × 10¹⁶

Factors of 21215016689778000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 26530

Divisors of 21215016689778000

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 41 45 48 50 60 72 75 80 82 90 100 120 123 125 144 150 164 180 200 205 225 240 246 250 300 328 360 369 375 400 410 450 492 500 600 615 656 720 738 750 820 900 984 1000 1025 1125 1200 1230 1476 1500 1640 1681 1800 1845 1968 2000 2050 2250 2460 2952 3000 3075 3280 3362 3600 3690 4100 4500 4920 5043 5125 5904 6000 6150 6724 7380 8200 8405 9000 9225 9840 10086 10250 12300 13448 14760 15129 15375 16400 16810 18000 18450 20172 20500 24600 25215 26479 26896 29520 30258 30750 33620 36900 40344 41000 42025 46125 49200 50430 52958 60516 61500 67240 73800 75645 79437 80688 82000 84050 92250 100860 105916 121032 123000 126075 132395 134480 147600 151290 158874 168100 184500 201720 210125 211832 238311 242064 246000 252150 264790 302580 317748 336200 369000 378225 397185 403440 420250 423664 476622 504300 529580 605160 630375 635496 661975 672400 738000 756450 794370 840500 953244 1008600 1059160 1085639 1191555 1210320 1260750 1270992 1323950 1512900 1588740 1681000 1891125 1906488 1985925 2017200 2118320 2171278 2383110 2521500 2647900 3025800 3177480 3256917 3309875 3362000 3782250 3812976 3971850 4342556 4766220 5043000 5295800 5428195 5957775 6051600 6354960 6513834 6619750 7564500 7943700 8685112 9532440 9770751 9929625 10086000 10591600 10856390 11915550 13027668 13239500 15129000 15887400 16284585 17370224 19064880 19541502 19859250 21712780 23831100 26055336 26479000 27140975 29788875 30258000 31774800 32569170 39083004 39718500 43425560 44511199 47662200 48853755 52110672 52958000 54281950 59577750 65138340 78166008 79437000 81422925 86851120 89022398 95324400 97707510 108563900 119155500 130276680 133533597 135704875 156332016 158874000 162845850 178044796 195415020 217127800 222555995 238311000 244268775 260553360 267067194 271409750 325691700 356089592 390830040 400600791 407114625 434255600 445111990 476622000 488537550 534134388 542819500 651383400 667667985 701137441 712179184 781660080 801201582 814229250 890223980 977075100 1068268776 1085639000 1112779975 1221343875 1302766800 1335335970 1402274882 1602403164 1628458500 1780447960 1954150200 2003003955 2103412323 2136537552 2171278000 2225559950 2442687750 2670671940 2804549764 3204806328 3256917000 3338339925 3505687205 3560895920 3908300400 4006007910 4206824646 4451119900 4885375500 5341343880 5563899875 5609099528 6310236969 6409612656 6513834000 6676679850 7011374410 8012015820 8413649292 8902239800 9770751000 10015019775 10517061615 10682687760 11127799750 11218199056 12620473938 13353359700 14022748820 16024031640 16691699625 16827298584 17528436025 17804479600 19541502000 20030039550 21034123230 22255599500 25240947876 26706719400 28045497640 28746635081 31551184845 32048063280 33383399250 33654597168 35056872050 40060079100 42068246460 44511199000 50075098875 50481895752 52585308075 53413438800 56090995280 57493270162 63102369690 66766798500 70113744100 80120158200 84136492920 86239905243 87642180125 89022398000 100150197750 100963791504 105170616150 114986540324 126204739380 133533597000 140227488200 143733175405 157755924225 160240316400 168272985840 172479810486 175284360250 200300395500 210341232300 229973080648 252409478760 258719715729 262926540375 267067194000 280454976400 287466350810 315511848450 344959620972 350568720500 400600791000 420682464600 431199526215 459946161296 504818957520 517439431458 525853080750 574932701620 631023696900 689919241944 701137441000 718665877025 788779621125 801201582000 841364929200 862399052430 1034878862916 1051706161500 1149865403240 1178612038321 1262047393800 1293598578645 1379838483888 1402274882000 1437331754050 1577559242250 1724798104860 2069757725832 2103412323000 2155997631075 2299730806480 2357224076642 2524094787600 2587197157290 2874663508100 3155118484500 3449596209720 3535836114963 3593329385125 4139515451664 4206824646000 4311995262150 4714448153284 5174394314580 5749327016200 5893060191605 6310236969000 6467992893225 6899192419440 7071672229926 7186658770250 8623990524300 9428896306568 10348788629160 10607508344889 10779988155375 11498654032400 11786120383210 12620473938000 12935985786450 14143344459852 14373317540500 17247981048600 17679180574815 18857792613136 20697577258320 21215016689778 21559976310750 23572240766420 25871971572900 28286688919704 28746635081000 29465300958025 32339964466125 34495962097200 35358361149630 42430033379556 43119952621500 47144481532840 51743943145800 53037541724445 56573377839408 57493270162000 58930601916050 64679928932250 70716722299260 84860066759112 86239905243000 88395902874075 94288963065680 103487886291600 106075083448890 117861203832100 129359857864500 141433444598520 147326504790125 169720133518224 172479810486000 176791805748150 212150166897780 235722407664200 258719715729000 265187708622225 282866889197040 294653009580250 353583611496300 424300333795560 441979514370375 471444815328400 517439431458000 530375417244450 589306019160500 707167222992600 848600667591120 883959028740750 1060750834488900 1178612038321000 1325938543111125 1414334445985200 1767918057481500 2121501668977800 2357224076642000 2651877086222250 3535836114963000 4243003337955600 5303754172444500 7071672229926000 10607508344889000 21215016689778000
• Sum of all divisors σ(n): 75951172543092444
• Sum of proper divisors (its aliquot sum) s(n): 54736155853314444
• 21215016689778000 is an abundant number, because the sum of its proper divisors (54736155853314444) is greater than itself. Its abundance is 33521139163536444

Bases of 21215016689778000

• Binary: 1001011010111101111000111111101101100101011110101010000₂
• Hexadecimal: 0x4B5EF1FDB2BD50
• Base-36: 5SW3G4DLF80

Squares and roots of 21215016689778000

• 21215016689778000 squared (21215016689778000²) is 450076933147559088689689284000000
• 21215016689778000 cubed (21215016689778000³) is 9548389648409563220154190273285038938952000000000
• The square root of 21215016689778000 is 145653756.1814936513
• The cube root of 21215016689778000 is 276830.8328161305

Scales and comparisons

• 21,215,016,689,778,000 seconds is equal to 674,571,908 years, 19 weeks, 5 days, 5 hours.
• To count from 1 to 21,215,016,689,778,000 would take you about two billion, twenty-three million, seven hundred fifteen thousand, seven hundred twenty-five 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 21215016689778000 cubic inches would be around 23069.2 feet tall.

Recreational maths with 21215016689778000

• 21215016689778000 backwards is 00087798661051212
• The number of decimal digits it has is: 17
• The sum of 21215016689778000's digits is 63
• More coming soon!