18507145772008443

Names of 18507145772008443

• Cardinal: 18507145772008443 can be written as Eighteen quadrillion, five hundred seven trillion, one hundred forty-five billion, seven hundred seventy-two million, eight thousand, four hundred forty-three.

Scientific notation

• Scientific notation: 1.8507145772008443 × 10¹⁶

Factors of 18507145772008443

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 279

Divisors of 18507145772008443

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 11 31 33 93 107 121 127 321 341 363 381 961 1023 1177 1331 1397 2883 3317 3531 3751 3937 3993 4191 9951 10571 11253 11449 11811 12947 13589 15367 29791 31713 34347 36487 38841 40767 41261 43307 46101 89373 102827 109461 116281 122047 123783 125939 129921 142417 149479 169037 308481 327701 348843 354919 366141 377817 401357 421259 427251 448437 476377 507111 983103 1064757 1131097 1204071 1225043 1263777 1279091 1342517 1385329 1429131 1454023 1644269 3187637 3393291 3604711 3675129 3783457 3837273 3904109 4027551 4155987 4362069 4414927 4633849 4932807 5240147 9562911 10814133 11002489 11350371 11712327 12442067 13059029 13244781 13475473 13901547 14767687 15238619 15720441 15994253 18086959 33007467 35064007 37326201 37976333 39177087 39651821 40426419 41618027 42945199 44303061 45074713 45715857 47982759 50972339 54260877 105192021 113928999 118955463 121027379 124854081 128835597 135224139 136862737 143649319 148230203 152917017 155580461 162444557 175936783 341077159 363082137 385704077 404829899 410588211 417739663 430947957 444690609 457798297 466741383 472397189 487333671 495821843 527810349 560695729 1023231477 1157112231 1177266323 1214489697 1253218989 1331301169 1373394891 1397316103 1417191567 1487465529 1580142509 1630532233 1682087187 1711385071 1935304613 3531798969 3751848749 3993903507 4191948309 4242744847 4453128889 4595136293 4740427527 4822994291 4891596699 5035781267 5134155213 5454040273 5805913839 11255546247 12728234541 12949929553 13359386667 13785408879 14468982873 14644312859 15107343801 15370477133 16362120819 17381567599 18825235781 36495256013 38849788659 41270336239 43316799193 43932938577 46111431399 48984417779 50546499223 52144702797 53052937201 56475707343 59994443003 109485768039 123811008717 129950397579 142449225083 146953253337 149512823021 151639497669 159158811603 169075248463 179983329009 207077593591 401447816143 427347675249 448538469063 453973698629 476484791123 507225745389 538828595569 583582309211 621232780773 1204343448429 1361921095887 1429454373369 1566941475913 1616485786707 1644641053231 1750746927633 1859827733093 4415925977573 4634897513651 4700824427739 4933923159693 5241332702353 5579483199279 6419405401321 13247777932719 13904692540953 15723998107059 18091051585541 19258216203963 48575185753303 50983872650161 54273154756623 57654659725883 145725557259909 152951617950483 172963979177649 199001567440951 560822599151771 597004702322853 1682467797455313 6169048590669481 18507145772008443
• Sum of all divisors σ(n): 28534175642419200
• Sum of proper divisors (its aliquot sum) s(n): 10027029870410757
• 18507145772008443 is a deficient number, because the sum of its proper divisors (10027029870410757) is less than itself. Its deficiency is 8480115901597686

Bases of 18507145772008443

• Binary: 1000001110000000010011010101001100011000000001111111011₂
• Hexadecimal: 0x41C026A98C03FB
• Base-36: 5288HE8B663

Squares and roots of 18507145772008443

• 18507145772008443 squared (18507145772008443²) is 342514444626369987647506063284249
• 18507145772008443 cubed (18507145772008443³) is 6338964755718743286054214507261161208237536914307
• The square root of 18507145772008443 is 136040970.9315853237
• The cube root of 18507145772008443 is 264512.6715746683

Scales and comparisons

• 18,507,145,772,008,443 seconds is equal to 588,469,989 years, 9 weeks, 5 days, 21 hours, 54 minutes, 3 seconds.
• To count from 1 to 18,507,145,772,008,443 would take you about one billion, seven hundred sixty-five million, four hundred nine thousand, nine hundred sixty-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 18507145772008443 cubic inches would be around 22042.7 feet tall.

Recreational maths with 18507145772008443

• 18507145772008443 backwards is 34480027754170581
• The number of decimal digits it has is: 17
• The sum of 18507145772008443's digits is 66
• More coming soon!