18955799365771890

Names of 18955799365771890

• Cardinal: 18955799365771890 can be written as Eighteen quadrillion, nine hundred fifty-five trillion, seven hundred ninety-nine billion, three hundred sixty-five million, seven hundred seventy-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.895579936577189 × 10¹⁶

Factors of 18955799365771890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 66004388332

Divisors of 18955799365771890

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 3191 6382 9573 15955 19146 28719 31910 47865 57438 95730 143595 287190 66004385131 132008770262 198013155393 330021925655 396026310786 594039466179 660043851310 990065776965 1188078932358 1980131553930 2970197330895 5940394661790 210619992953021 421239985906042 631859978859063 1053099964765105 1263719957718126 1895579936577189 2106199929530210 3159299894295315 3791159873154378 6318599788590630 9477899682885945 18955799365771890
• Sum of all divisors σ(n): 49300523377874496
• Sum of proper divisors (its aliquot sum) s(n): 30344724012102606
• 18955799365771890 is an abundant number, because the sum of its proper divisors (30344724012102606) is greater than itself. Its abundance is 11388924646330716

Bases of 18955799365771890

• Binary: 1000011010110000011001011110111101000010110001001110010₂
• Hexadecimal: 0x435832F7A16272
• Base-36: 56N9Q0E57CI

Squares and roots of 18955799365771890

• 18955799365771890 squared (18955799365771890²) is 359322329595397987169295514172100
• 18955799365771890 cubed (18955799365771890³) is 6811241987452123185097401807356949195150802269000
• The square root of 18955799365771890 is 137680061.6130450821
• The cube root of 18955799365771890 is 266633.0830755451

Scales and comparisons

• 18,955,799,365,771,890 seconds is equal to 602,735,785 years, 36 weeks, 17 hours, 31 minutes, 30 seconds.
• To count from 1 to 18,955,799,365,771,890 would take you about one billion, eight hundred eight million, two hundred seven thousand, three hundred fifty-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 18955799365771890 cubic inches would be around 22219.4 feet tall.

Recreational maths with 18955799365771890

• 18955799365771890 backwards is 09817756399755981
• The number of decimal digits it has is: 17
• The sum of 18955799365771890's digits is 99
• More coming soon!