18818863929422375

Names of 18818863929422375

• Cardinal: 18818863929422375 can be written as Eighteen quadrillion, eight hundred eighteen trillion, eight hundred sixty-three billion, nine hundred twenty-nine million, four hundred twenty-two thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.8818863929422375 × 10¹⁶

Factors of 18818863929422375

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2680

Divisors of 18818863929422375

• Number of divisors d(n): 432
• Complete list of divisors:
  1 5 7 13 17 25 29 35 65 85 91 119 125 145 175 203 221 289 325 377 425 455 493 595 725 841 875 1015 1105 1445 1547 1625 1885 2023 2125 2275 2465 2609 2639 2975 3451 3625 3757 4205 5075 5525 5887 6409 7225 7735 8381 9425 10115 10933 11375 12325 13045 13195 14297 14875 17255 18263 18785 21025 25375 26299 27625 29435 32045 33917 36125 38675 41905 44353 44863 47125 50575 54665 58667 61625 65225 65975 71485 75661 76531 86275 91315 93925 100079 105125 108953 131495 147175 160225 169585 185861 193375 209525 221765 224315 237419 243049 252875 273325 293335 310471 326125 329875 357425 378305 382655 431375 456575 469625 500395 529627 544765 576589 657475 735875 754001 762671 801125 847925 929305 983593 1047625 1108825 1121575 1187095 1215245 1286237 1301027 1366625 1466675 1552355 1701343 1787125 1891525 1913275 2194169 2282875 2501975 2648135 2723825 2882945 3159637 3287375 3770005 3813355 4036123 4239625 4646525 4917965 5278007 5544125 5607875 5935475 6076225 6431185 6505135 6806881 6885151 7333375 7761775 8506715 9003659 9457625 9566375 9802013 10970845 12509875 13240675 13619125 14414725 15359183 15798185 16721081 18850025 19066775 20180615 21866029 22117459 23232625 24589825 26390035 28524197 29677375 30381125 32155925 32525675 34034405 34425755 37300873 38808875 42533575 45018295 47648167 49010065 54854225 66203375 68614091 72073625 76795915 78990925 83605405 88489453 94250125 95333875 100903075 109330145 110587295 115716977 117047567 122949125 131950175 142620985 153062203 160779625 162628375 170172025 172128775 186504365 197399549 199669379 212667875 225091475 238240835 245050325 261106111 274271125 284258377 343070455 383979575 394954625 418027025 442447265 484911349 504515375 546650725 552936475 578584885 585237835 619426171 634114841 659750875 713104925 765311015 810018839 850860125 860643875 932521825 986997745 998346895 1125457375 1191204175 1225251625 1305530555 1381796843 1421291885 1504320701 1715352275 1919897875 1967188609 1989808639 2090135125 2212236325 2424556745 2566194137 2733253625 2764682375 2892924425 2926189175 3097130855 3170574205 3355792333 3394379443 3565524625 3826555075 4050094195 4438803887 4662609125 4934988725 4991734475 5724586921 5956020875 6527652775 6908984215 7106459425 7521603505 8243492933 8576761375 9835943045 9949043195 10530244907 11061181625 12122783725 12830970685 13770320263 14464622125 14630945875 15485654275 15852871025 16778961665 16971897215 17963358959 19132775375 20250470975 22194019435 23490546331 24674943625 24958672375 25573451917 28622934605 32638263875 34544921075 35532297125 37608017525 40072108447 41217464665 43625300329 49179715225 49745215975 52651224535 57048469661 57704450531 60613918625 64154853425 68851601315 74419629973 77428271375 79264355125 83894808325 84859486075 89816794795 97317977657 101252354875 110970097175 117452731655 127867259585 143114673025 172724605375 179014163419 188040087625 200360542235 206087323325 218126501645 245898576125 248726079875 263256122675 285242348305 288522252655 305377102303 320774267125 344258006575 372098149865 399339287627 419474041625 424297430375 449083973975 486589888285 520937409811 554850485875 587263658275 639336297925 681225843599 715573365125 741630105593 895070817095 1001802711175 1030436616625 1090632508225 1265133709541 1316280613375 1426211741525 1442611263275 1526885511515 1654405620169 1721290032875 1860490749325 1996696438135 2245419869875 2432949441425 2604687049055 2936318291375 3196681489625 3406129217995 3708150527965 4475354085475 5009013555875 5191410739151 5453162541125 6325668547705 7131058707625 7213056316375 7634427557575 8272028100845 8855935966787 9302453746625 9983482190675 11580839341183 12164747207125 13023435245275 17030646089975 18540752639825 21507273062197 22376770427375 25957053695755 31628342738525 38172137787875 41360140504225 44279679833935 49917410953375 57904196705915 65117176226375 85153230449875 92703763199125 107536365310985 129785268478775 150550911435379 158141713692625 206800702521125 221398399169675 289520983529575 537681826554925 648926342393875 752754557176895 1106991995848375 1447604917647875 2688409132774625 3763772785884475 18818863929422375
• Sum of all divisors σ(n): 31813672187204544
• Sum of proper divisors (its aliquot sum) s(n): 12994808257782169
• 18818863929422375 is a deficient number, because the sum of its proper divisors (12994808257782169) is less than itself. Its deficiency is 5824055671640206

Bases of 18818863929422375

• Binary: 1000010110110111010100000110011100101101111001000100111₂
• Hexadecimal: 0x42DBA83396F227
• Base-36: 55AQAQMWRON

Squares and roots of 18818863929422375

• 18818863929422375 squared (18818863929422375²) is 354149639594114552345201150640625
• 18818863929422375 cubed (18818863929422375³) is 6664693878175616503846652424086957390517458984375
• The square root of 18818863929422375 is 137181864.4333950397
• The cube root of 18818863929422375 is 265989.4842424661

Scales and comparisons

• 18,818,863,929,422,375 seconds is equal to 598,381,662 years, 20 weeks, 1 day, 1 hour, 19 minutes, 35 seconds.
• To count from 1 to 18,818,863,929,422,375 would take you about one billion, seven hundred ninety-five million, one hundred forty-four thousand, nine hundred eighty-seven 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 18818863929422375 cubic inches would be around 22165.8 feet tall.

Recreational maths with 18818863929422375

• 18818863929422375 backwards is 57322492936881881
• The number of decimal digits it has is: 17
• The sum of 18818863929422375's digits is 86
• More coming soon!