18135980350913691

Names of 18135980350913691

• Cardinal: 18135980350913691 can be written as Eighteen quadrillion, one hundred thirty-five trillion, nine hundred eighty billion, three hundred fifty million, nine hundred thirteen thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 1.8135980350913691 × 10¹⁶

Factors of 18135980350913691

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2547

Divisors of 18135980350913691

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 7 9 21 63 157 471 941 1099 1413 1439 2823 3297 4317 6587 8469 9891 10073 12951 19761 30219 59283 90657 147737 225923 443211 677769 885481 1034159 1329633 1354099 1581461 2033307 2070721 2656443 3102477 4062297 4744383 6198367 6212163 7969329 9307431 9478693 12186891 14233149 14495047 18595101 18636489 28436079 43485141 55785303 85308237 130455423 139020517 212593543 325103197 417061551 637780629 973143619 975309591 1251184653 1274207159 1488154801 1913341887 1948548461 2275722379 2919430857 2925928773 3822621477 4464464403 5845645383 6827167137 8758292571 8919450113 11467864431 13393393209 13639839227 17536936149 20481501411 26758350339 40919517681 80275051017 122758553043 200050523963 305922108377 600151571889 917766325131 1400353667741 1800454715667 1833584101801 2141454758639 2753298975393 4201061003223 5500752305403 6424364275917 12603183009669 12835088712607 16502256916209 19273092827751 38505266137821 115515798413463 287872703982757 863618111948271 2015108927879299 2590854335844813 6045326783637897 18135980350913691
• Sum of all divisors σ(n): 30182481147132496
• Sum of proper divisors (its aliquot sum) s(n): 12046500796218805
• 18135980350913691 is a deficient number, because the sum of its proper divisors (12046500796218805) is less than itself. Its deficiency is 6089479554694886

Bases of 18135980350913691

• Binary: 1000000011011101001001111111010011110000011110010011011₂
• Hexadecimal: 0x406E93FA783C9B
• Base-36: 4YKO2CRSPSR

Squares and roots of 18135980350913691

• 18135980350913691 squared (18135980350913691²) is 328913783288727486544778531243481
• 18135980350913691 cubed (18135980350913691³) is 5965173910869045636047853543642217722588737398371
• The square root of 18135980350913691 is 134669894.0034991303
• The cube root of 18135980350913691 is 262732.4277334275

Scales and comparisons

• 18,135,980,350,913,691 seconds is equal to 576,668,076 years, 46 weeks, 1 day, 10 hours, 14 minutes, 51 seconds.
• To count from 1 to 18,135,980,350,913,691 would take you about one billion, seven hundred thirty million, four thousand, two hundred thirty 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 18135980350913691 cubic inches would be around 21894.4 feet tall.

Recreational maths with 18135980350913691

• 18135980350913691 backwards is 19631905308953181
• The number of decimal digits it has is: 17
• The sum of 18135980350913691's digits is 72
• More coming soon!