18640240491873

Names of 18640240491873

• Cardinal: 18640240491873 can be written as Eighteen trillion, six hundred forty billion, two hundred forty million, four hundred ninety-one thousand, eight hundred seventy-three.

Scientific notation

• Scientific notation: 1.8640240491873 × 10¹³

Factors of 18640240491873

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4933

Divisors of 18640240491873

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 11 13 21 31 33 39 77 91 93 121 143 169 217 231 273 307 341 363 403 429 507 651 847 921 1001 1023 1183 1209 1573 1859 2149 2387 2541 2821 3003 3377 3549 3751 3991 4433 4561 4719 5239 5577 6447 7161 8463 9517 10131 11011 11253 11973 13013 13299 13683 15717 20449 23639 26257 27937 28551 31031 31927 33033 36673 37147 39039 43901 48763 50171 51883 57629 59293 61347 66619 70917 78771 83811 93093 95781 104687 110019 111441 123721 131703 141391 143143 146289 150513 155649 172887 177879 199857 260029 307307 314061 341341 351197 363181 371163 403403 415051 424173 429429 482911 551881 570713 633919 652223 732809 770809 780087 866047 921921 989737 1024023 1053591 1089543 1151557 1210209 1245153 1360931 1400227 1448733 1555301 1608373 1655643 1712139 1838083 1901757 1956669 2198427 2312427 2598141 2969211 3380377 3454671 3863167 3994991 4082793 4200681 4437433 4565561 4665903 4825119 5395663 5514249 6277843 7174453 8060899 8478899 9526517 9801589 10141131 10887107 11258611 11589501 11984973 12866581 13312299 13696683 14970241 15402497 16186989 17108311 17692103 18202951 18833529 20218913 21523359 23895079 24182697 25436697 28579551 29404767 32661321 33775833 38599743 43407037 43944901 44910723 46207491 50221171 51324933 53076309 54608853 59352293 60656739 71685237 93267889 104791687 107817479 119758177 123844721 127420657 130221111 131834703 141532391 150663513 167265553 169427467 178056879 194613133 200232461 222408043 236638363 262845869 279803667 303849259 314375061 323452437 359274531 371534163 382261971 424597173 477477407 501796659 508282401 564291481 583839399 600697383 652875223 667224129 709915089 788537607 911547777 1185992269 1362291931 1401627227 1432432221 1556856301 1656468541 1692874443 1839921083 1958625669 2202557071 2603021993 2891304559 3342341849 3557976807 3950040367 4086875793 4204881681 4670568903 4969405623 5252251477 5519763249 6207206291 6607671213 7335789253 7809065979 8673913677 10027025547 11850121101 15417899497 15756754431 18221153951 18621618873 20239131913 22007367759 28633241923 36765760339 43450444037 46253698491 51350524771 54663461853 60717395739 68279269201 80693681783 85899725769 110297281017 130351332111 154051574313 200432693461 204837807603 242081045349 477954884407 564855772481 601298080383 887630499613 1433864653221 1694567317443 2662891498839 6213413497291 18640240491873
• Sum of all divisors σ(n): 35019398701056
• Sum of proper divisors (its aliquot sum) s(n): 16379158209183
• 18640240491873 is a deficient number, because the sum of its proper divisors (16379158209183) is less than itself. Its deficiency is 2261082282690

Bases of 18640240491873

• Binary: 100001111010000000100111010011011110101100001₂
• Hexadecimal: 0x10F404E9BD61
• Base-36: 6LV7HWU3L

Squares and roots of 18640240491873

• 18640240491873 squared (18640240491873²) is 347458565594861780979048129
• 18640240491873 cubed (18640240491873³) is 6476711223649453399118340891618300355617
• The square root of 18640240491873 is 4317434.4803219655
• The cube root of 18640240491873 is 26514.5241334985

Scales and comparisons

• 18,640,240,491,873 seconds is equal to 592,701 years, 51 weeks, 3 days, 5 hours, 4 minutes, 33 seconds.
• To count from 1 to 18,640,240,491,873 would take you about one million, four hundred eighty-one thousand, seven hundred fifty-four 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 18640240491873 cubic inches would be around 2209.5 feet tall.

Recreational maths with 18640240491873

• 18640240491873 backwards is 37819404204681
• The number of decimal digits it has is: 14
• The sum of 18640240491873's digits is 57
• More coming soon!