18407748584981

Names of 18407748584981

• Cardinal: 18407748584981 can be written as Eighteen trillion, four hundred seven billion, seven hundred forty-eight million, five hundred eighty-four thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.8407748584981 × 10¹³

Factors of 18407748584981

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20524

Divisors of 18407748584981

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 17 31 37 49 119 217 259 527 629 833 991 1147 1519 1813 3689 4403 6937 8029 16847 19441 19499 25823 30721 30821 36667 48559 56203 117929 136087 136493 215047 256669 330497 522257 602671 623339 719317 825503 952609 955451 1136677 1505329 1796683 2313479 3655799 4218697 4363373 5035219 7956739 10245407 12228389 16194353 19266031 19323509 22298827 25590593 29530879 30543611 35246533 55697173 71717849 85598723 134862217 135264563 156091789 327522527 379080059 502024943 597246961 599191061 712843147 944035519 946851941 1092642523 2292657689 2653560413 4180728727 4989902029 10153198337 12118333499 16048603823 18574922891 22098137557 29265101089 34929314203 71072388359 84828334493 154686962899 375668338469 497506718513 593798341451 1082808740293 2629678369283 18407748584981
• Sum of all divisors σ(n): 24062101069824
• Sum of proper divisors (its aliquot sum) s(n): 5654352484843
• 18407748584981 is a deficient number, because the sum of its proper divisors (5654352484843) is less than itself. Its deficiency is 12753396100138

Bases of 18407748584981

• Binary: 100001011110111100011010100001100011000010101₂
• Hexadecimal: 0x10BDE350C615
• Base-36: 6IWEI8EMT

Squares and roots of 18407748584981

• 18407748584981 squared (18407748584981²) is 338845207967870007778770361
• 18407748584981 cubed (18407748584981³) is 6237377397498151802202209575589892548141
• The square root of 18407748584981 is 4290425.2219309219
• The cube root of 18407748584981 is 26403.8277780149

Scales and comparisons

• 18,407,748,584,981 seconds is equal to 585,309 years, 24 weeks, 1 day, 15 hours, 49 minutes, 41 seconds.
• To count from 1 to 18,407,748,584,981 would take you about one million, four hundred sixty-three thousand, two hundred seventy-three 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 18407748584981 cubic inches would be around 2200.3 feet tall.

Recreational maths with 18407748584981

• 18407748584981 backwards is 18948584770481
• The number of decimal digits it has is: 14
• The sum of 18407748584981's digits is 74
• More coming soon!