13218078091858494690

Names of 13218078091858494690

• Cardinal: 13218078091858494690 can be written as Thirteen quintillion, two hundred eighteen quadrillion, seventy-eight trillion, ninety-one billion, eight hundred fifty-eight million, four hundred ninety-four thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.321807809185849469 × 10¹⁹

Factors of 13218078091858494690

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 349222

Divisors of 13218078091858494690

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 33 37 55 66 74 110 111 121 165 185 222 242 330 363 370 407 555 605 726 811 814 1110 1210 1221 1622 1815 2035 2433 2442 3630 4055 4070 4477 4866 6105 8110 8921 8954 12165 12210 13431 17842 22385 24330 26763 26862 30007 44605 44770 53526 60014 67155 89210 90021 98131 133815 134310 150035 180042 196262 267630 294393 300070 330077 348353 450105 490655 588786 660154 696706 900210 981310 990231 1045059 1471965 1650385 1741765 1980462 2090118 2943930 3300770 3483530 3630847 3831883 4951155 5225295 7261694 7663766 9902310 10450590 10892541 11495649 12889061 18154235 19159415 21785082 22991298 25778122 36308470 38318830 38667183 42150713 54462705 57478245 64445305 77334366 84301426 108925410 114956490 126452139 128890610 141779671 193335915 210753565 252904278 282514283 283559342 386671830 421507130 425339013 565028566 632260695 708898355 847542849 850678026 1264521390 1412571415 1417796710 1559576381 1695085698 2126695065 2825142830 3107657113 3119152762 4237714245 4253390130 4678729143 6215314226 7797881905 8475428490 9322971339 9357458286 10453028471 15538285565 15595763810 18645942678 20906056942 23393645715 31076571130 31359085413 34184228243 46614856695 46787291430 52265142355 62718170826 68368456486 93229713390 102552684729 104530284710 114983313181 121349812609 156795427065 170921141215 205105369458 229966626362 242699625218 313590854130 341842282430 344949939543 364049437827 512763423645 574916565905 606749063045 689899879086 728098875654 1025526847290 1149833131810 1213498126090 1264816444991 1334847938699 1724749697715 1820247189135 2529632889982 2669695877398 3449499395430 3640494378270 3794449334973 4004543816097 4489943066533 6324082224955 6674239693495 7588898669946 8009087632194 8979886133066 12648164449910 13348479386990 13469829199599 14683327325689 18972246674865 20022719080485 22449715332665 26939658399198 29366654651378 37944493349730 40045438160970 44049981977067 44899430665330 49389373731863 67349145997995 73416636628445 88099963954134 98414698025899 98778747463726 134698291995990 146833273256890 148168121195589 196829396051798 220249909885335 246946868659315 295244094077697 296336242391178 440499819770670 492073490129495 493893737318630 543283111050493 590488188155394 740840605977945 984146980258990 1082561678284889 1086566222100986 1476220470388485 1481681211955890 1629849333151479 2165123356569778 2716415555252465 2952440940776970 3247685034854667 3259698666302958 3641343826958263 5412808391424445 5432831110504930 6495370069709334 7282687653916526 8149246665757395 10825616782848890 10924031480874789 11908178461133779 16238425174273335 16298493331514790 18206719134791315 21848062961749578 23816356922267558 32476850348546670 35724535383401337 36413438269582630 40054782096540893 54620157404373945 59540892305668895 71449070766802674 80109564193081786 109240314808747890 119081784611337790 120164346289622679 178622676917006685 200273910482704465 240328692579245358 357245353834013370 400547820965408930 440602603061949823 600821731448113395 881205206123899646 1201643462896226790 1321807809185849469 2203013015309749115 2643615618371698938 4406026030619498230 6609039045929247345 13218078091858494690
• Sum of all divisors σ(n): 35856188306473364928
• Sum of proper divisors (its aliquot sum) s(n): 22638110214614870238
• 13218078091858494690 is an abundant number, because the sum of its proper divisors (22638110214614870238) is greater than itself. Its abundance is 9420032122756375548

Bases of 13218078091858494690

• Binary: 1011011101110000000010111111110111111110100110010100010011100010₂
• Hexadecimal: 0xB7700BFDFE9944E2
• Base-36: 2SFAHMMBHQ7DU

Squares and roots of 13218078091858494690

• 13218078091858494690 squared (13218078091858494690²) is 174717588442469503987994686712758196100
• 13218078091858494690 cubed (13218078091858494690³) is 2309430728053755086526815135122945184341208111705828709000
• The square root of 13218078091858494690 is 3635667489.1769866983
• The cube root of 13218078091858494690 is 2364409.9108920999

Scales and comparisons

• 13,218,078,091,858,494,690 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 13,218,078,091,858,494,690 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 13218078091858494690 cubic inches would be around 197034.2 feet tall.

Recreational maths with 13218078091858494690

• 13218078091858494690 backwards is 09649485819087081231
• The number of decimal digits it has is: 20
• The sum of 13218078091858494690's digits is 93
• More coming soon!