18855492729087

Names of 18855492729087

• Cardinal: 18855492729087 can be written as Eighteen trillion, eight hundred fifty-five billion, four hundred ninety-two million, seven hundred twenty-nine thousand and eighty-seven.

Scientific notation

• Scientific notation: 1.8855492729087 × 10¹³

Factors of 18855492729087

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 68413

Divisors of 18855492729087

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 21 43 49 79 129 147 237 301 343 553 903 1029 1659 2107 3397 3871 6241 6321 10191 11613 14749 18723 23779 27097 43687 44247 68281 71337 81291 131061 166453 204843 268363 305809 477967 499359 805089 917427 1165171 1433901 1878541 2140663 2936083 3345769 3495513 5394199 5635623 6421989 8808249 10037307 13149787 16182597 20552581 23420383 37759393 39449361 61657743 70261149 92048509 113278179 143868067 231950557 264315751 276145527 426141721 431604201 695851671 792947253 1007076469 1278425163 1623653899 1850210257 2982992047 3021229407 4870961697 5550630771 8948976141 11365577293 18324094003 20880944329 34096731879 54972282009 62642832987 79559041051 128268658021 146166610303 238677123153 384805974063 438499830909 897880606147 2693641818441 6285164243029 18855492729087
• Sum of all divisors σ(n): 30385380748800
• Sum of proper divisors (its aliquot sum) s(n): 11529888019713
• 18855492729087 is a deficient number, because the sum of its proper divisors (11529888019713) is less than itself. Its deficiency is 7325604709374

Bases of 18855492729087

• Binary: 100010010011000100010111100100011100011111111₂
• Hexadecimal: 0x112622F238FF
• Base-36: 6OM3DJBB3

Squares and roots of 18855492729087

• 18855492729087 squared (18855492729087²) is 355529606056652723175853569
• 18855492729087 cubed (18855492729087³) is 6703685901976380859647285545564499061503
• The square root of 18855492729087 is 4342291.1842812891
• The cube root of 18855492729087 is 26616.1945259195

Scales and comparisons

• 18,855,492,729,087 seconds is equal to 599,546 years, 17 weeks, 6 days, 13 hours, 11 minutes, 27 seconds.
• To count from 1 to 18,855,492,729,087 would take you about one million, four hundred ninety-eight thousand, eight hundred sixty-five 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 18855492729087 cubic inches would be around 2218 feet tall.

Recreational maths with 18855492729087

• 18855492729087 backwards is 78092729455881
• The number of decimal digits it has is: 14
• The sum of 18855492729087's digits is 75
• More coming soon!