18238860585

Names of 18238860585

• Cardinal: 18238860585 can be written as Eighteen billion, two hundred thirty-eight million, eight hundred sixty thousand, five hundred eighty-five.

Scientific notation

• Scientific notation: 1.8238860585 × 10¹⁰

Factors of 18238860585

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 21139

Divisors of 18238860585

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 11 15 27 33 45 53 55 99 121 135 159 165 265 297 363 477 495 583 605 795 1089 1431 1485 1749 1815 2385 2915 3267 5247 5445 6413 7155 8745 15741 16335 19239 21067 26235 32065 57717 63201 78705 96195 105335 173151 189603 231737 288585 316005 568809 695211 865755 948015 1116551 1158685 2085633 2549107 2844045 3349653 3476055 5582755 6256899 7647321 10048959 10428165 12282061 12745535 16748265 22941963 30146877 31284495 36846183 38236605 50244795 61410305 68825889 110538549 114709815 135102671 150734385 184230915 331615647 344129445 405308013 552692745 675513355 1215924039 1658078235 2026540065 3647772117 6079620195 18238860585
• Sum of all divisors σ(n): 36314490240
• Sum of proper divisors (its aliquot sum) s(n): 18075629655
• 18238860585 is a deficient number, because the sum of its proper divisors (18075629655) is less than itself. Its deficiency is 163230930

Bases of 18238860585

• Binary: 10000111111000111101110110100101001₂
• Hexadecimal: 0x43F1EED29
• Base-36: 8DMY2W9

Squares and roots of 18238860585

• 18238860585 squared (18238860585²) is 332656035439066542225
• 18238860585 cubed (18238860585³) is 6067267053131953926179790701625
• The square root of 18238860585 is 135051.3257432151
• The cube root of 18238860585 is 2632.2829327273

Scales and comparisons

• 18,238,860,585 seconds is equal to 579 years, 48 weeks, 5 days, 22 hours, 9 minutes, 45 seconds.
• To count from 1 to 18,238,860,585 would take you about one thousand, one hundred fifty-nine 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 18238860585 cubic inches would be around 219.4 feet tall.

Recreational maths with 18238860585

• 18238860585 backwards is 58506883281
• The number of decimal digits it has is: 11
• The sum of 18238860585's digits is 54
• More coming soon!