18365272368489

Names of 18365272368489

• Cardinal: 18365272368489 can be written as Eighteen trillion, three hundred sixty-five billion, two hundred seventy-two million, three hundred sixty-eight thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8365272368489 × 10¹³

Factors of 18365272368489

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 47357

Divisors of 18365272368489

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 27 31 93 279 281 837 843 1723 2529 5169 7587 8711 15507 26133 45319 46521 53413 78399 135957 160239 235197 407871 480717 484163 1223613 1404889 1442151 1452489 4214667 4357467 12644001 12734639 13072401 15009053 37932003 38203917 45027159 78084637 114611751 135081477 234253911 343835253 394773809 405244431 702761733 1184321427 2108285199 2420623747 3552964281 7261871241 10658892843 21785613723 21941782997 65356841169 65825348991 197476046973 592428140919 680195272907 2040585818721 6121757456163 18365272368489
• Sum of all divisors σ(n): 28202411212800
• Sum of proper divisors (its aliquot sum) s(n): 9837138844311
• 18365272368489 is a deficient number, because the sum of its proper divisors (9837138844311) is less than itself. Its deficiency is 8528133524178

Bases of 18365272368489

• Binary: 100001011001111111111100010010010010101101001₂
• Hexadecimal: 0x10B3FF892569
• Base-36: 6ICW0ZO89

Squares and roots of 18365272368489

• 18365272368489 squared (18365272368489²) is 337283229168785563800143121
• 18365272368489 cubed (18365272368489³) is 6194298369008240622039605675244850514169
• The square root of 18365272368489 is 4285472.2456794653
• The cube root of 18365272368489 is 26383.5030315949

Scales and comparisons

• 18,365,272,368,489 seconds is equal to 583,958 years, 44 weeks, 2 days, 18 hours, 48 minutes, 9 seconds.
• To count from 1 to 18,365,272,368,489 would take you about one million, four hundred fifty-nine thousand, eight hundred ninety-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 18365272368489 cubic inches would be around 2198.6 feet tall.

Recreational maths with 18365272368489

• 18365272368489 backwards is 98486327256381
• The number of decimal digits it has is: 14
• The sum of 18365272368489's digits is 72
• More coming soon!