231538980042018

Names of 231538980042018

• Cardinal: 231538980042018 can be written as Two hundred thirty-one trillion, five hundred thirty-eight billion, nine hundred eighty million, forty-two thousand and eighteen.

Scientific notation

• Scientific notation: 2.31538980042018 × 10¹⁴

Factors of 231538980042018

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16856

Divisors of 231538980042018

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 71 99 127 142 198 213 254 297 381 426 594 639 762 781 1143 1278 1397 1562 1917 2286 2343 2794 3221 3429 3834 4191 4686 6442 6858 7029 8382 9017 9663 12573 13421 14058 18034 19326 21087 25146 26842 27051 28989 35431 37719 40263 42174 54102 57978 70862 75438 80526 81153 86967 99187 106293 120789 147631 162306 173934 198374 212586 228691 241578 243459 295262 297561 318879 362367 409067 442893 457382 486918 595122 637758 686073 724734 818134 885786 892683 952891 956637 1227201 1328679 1372146 1704467 1785366 1905782 1913274 2058219 2454402 2515601 2657358 2678049 2858673 3408934 3681603 3986037 4116438 4499737 5031202 5113401 5356098 5717346 6174657 7363206 7546803 7972074 8576019 8999474 10226802 10481801 11044809 12349314 13499211 15093606 15340203 17152038 18749137 20963602 22089618 22640409 25728057 26998422 29043757 30680406 31445403 37498274 40497633 43229041 45280818 46020609 51456114 56247411 58087514 62890806 67921227 80995266 86458082 87131271 92041218 94336209 112494822 121017157 121492899 129687123 135842454 168742233 174262542 188672418 242034314 242985798 259374246 261393813 283008627 319481327 337484466 363051471 389061369 475519451 506226699 522787626 566017254 638962654 726102942 778122738 784181439 951038902 958443981 1012453398 1089154413 1167184107 1331188727 1426558353 1568362878 1916887962 2178308826 2334368214 2662377454 2853116706 2875331943 3069261911 3267463239 3993566181 4279675059 5490088207 5750663886 6138523822 6534926478 7987132362 8559350118 8625995829 9207785733 10980176414 11980698543 12839025177 16470264621 17251991658 18415571466 23961397086 25678050354 27623357199 32940529242 33761881021 35942095629 49410793863 55246714398 60390970277 67523762042 71884191258 82870071597 98821587726 101285643063 120781940554 148232381589 165740143194 181172910831 202571286126 296464763178 303856929189 362345821662 389796262697 543518732493 607713858378 779592525394 911570787567 1087037464986 1169388788091 1630556197479 1823141575134 2338777576182 3261112394958 3508166364273 4287758889667 7016332728546 8575517779334 10524499092819 12863276669001 21048998185638 25726553338002 38589830007003 77179660014006 115769490021009 231538980042018
• Sum of all divisors σ(n): 573915202191360
• Sum of proper divisors (its aliquot sum) s(n): 342376222149342
• 231538980042018 is an abundant number, because the sum of its proper divisors (342376222149342) is greater than itself. Its abundance is 110837242107324

Bases of 231538980042018

• Binary: 110100101001010101011110101010000011010100100010₂
• Hexadecimal: 0xD2955EA83522
• Base-36: 2A2NJEK2SI

Squares and roots of 231538980042018

• 231538980042018 squared (231538980042018²) is 53610299278898009725045512324
• 231538980042018 cubed (231538980042018³) is 12412874014783378250867854949703351856829832
• The square root of 231538980042018 is 15216404.9644460369
• The cube root of 231538980042018 is 61405.6083926621

Scales and comparisons

• 231,538,980,042,018 seconds is equal to 7,362,223 years, 19 weeks, 1 day, 1 hour, 18 seconds.
• To count from 1 to 231,538,980,042,018 would take you about eighteen million, four hundred five thousand, five hundred fifty-eight 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 231538980042018 cubic inches would be around 5117.1 feet tall.

Recreational maths with 231538980042018

• 231538980042018 backwards is 810240089835132
• 231538980042018 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 231538980042018's digits is 54
• More coming soon!