18311790489399

Names of 18311790489399

• Cardinal: 18311790489399 can be written as Eighteen trillion, three hundred eleven billion, seven hundred ninety million, four hundred eighty-nine thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8311790489399 × 10¹³

Factors of 18311790489399

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 157577

Divisors of 18311790489399

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 11 33 99 347 1041 3123 3467 3817 10401 11451 31203 34353 38137 114411 153749 343233 461247 1203049 1383741 1691239 3609147 5073717 10827441 13233539 15221151 39700617 53350903 119101851 160052709 480158127 533047783 586859933 1599143349 1760579799 4797430047 5281739397 5863525613 17590576839 52771730517 184967580701 554902742103 1664708226309 2034643387711 6103930163133 18311790489399
• Sum of all divisors σ(n): 28946633040000
• Sum of proper divisors (its aliquot sum) s(n): 10634842550601
• 18311790489399 is a deficient number, because the sum of its proper divisors (10634842550601) is less than itself. Its deficiency is 7676947938798

Bases of 18311790489399

• Binary: 100001010011110001011110001000110111100110111₂
• Hexadecimal: 0x10A78BC46F37
• Base-36: 6HOBJ9E7R

Squares and roots of 18311790489399

• 18311790489399 squared (18311790489399²) is 335321670927643667931381201
• 18311790489399 cubed (18311790489399³) is 6140340184582206472307070404609818388199
• The square root of 18311790489399 is 4279227.7912491407
• The cube root of 18311790489399 is 26357.8674875751

Scales and comparisons

• 18,311,790,489,399 seconds is equal to 582,258 years, 15 weeks, 2 days, 13 hours, 16 minutes, 39 seconds.
• To count from 1 to 18,311,790,489,399 would take you about one million, four hundred fifty-five thousand, six hundred forty-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 18311790489399 cubic inches would be around 2196.5 feet tall.

Recreational maths with 18311790489399

• 18311790489399 backwards is 99398409711381
• The number of decimal digits it has is: 14
• The sum of 18311790489399's digits is 72
• More coming soon!