18381231067752

Names of 18381231067752

• Cardinal: 18381231067752 can be written as Eighteen trillion, three hundred eighty-one billion, two hundred thirty-one million, sixty-seven thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.8381231067752 × 10¹³

Factors of 18381231067752

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5210099521

Divisors of 18381231067752

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 504 588 882 1176 1764 3528 5210099509 10420199018 15630298527 20840398036 31260597054 36470696563 41680796072 46890895581 62521194108 72941393126 93781791162 109412089689 125042388216 145882786252 187563582324 218824179378 255294875941 291765572504 328236269067 375127164648 437648358756 510589751882 656472538134 765884627823 875296717512 1021179503764 1312945076268 1531769255646 2042359007528 2297653883469 2625890152536 3063538511292 4595307766938 6127077022584 9190615533876 18381231067752
• Sum of all divisors σ(n): 57910256053650
• Sum of proper divisors (its aliquot sum) s(n): 39529024985898
• 18381231067752 is an abundant number, because the sum of its proper divisors (39529024985898) is greater than itself. Its abundance is 21147793918146

Bases of 18381231067752

• Binary: 100001011011110110110101111111001001001101000₂
• Hexadecimal: 0x10B7B6BF9268
• Base-36: 6IK7YDZE0

Squares and roots of 18381231067752

• 18381231067752 squared (18381231067752²) is 337869655566091330014333504
• 18381231067752 cubed (18381231067752³) is 6210460209742105408004517239194547563008
• The square root of 18381231067752 is 4287333.7947670929
• The cube root of 18381231067752 is 26391.1428945421

Scales and comparisons

• 18,381,231,067,752 seconds is equal to 584,466 years, 15 weeks, 22 hours, 49 minutes, 12 seconds.
• To count from 1 to 18,381,231,067,752 would take you about one million, four hundred sixty-one thousand, one hundred sixty-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 18381231067752 cubic inches would be around 2199.3 feet tall.

Recreational maths with 18381231067752

• 18381231067752 backwards is 25776013218381
• The number of decimal digits it has is: 14
• The sum of 18381231067752's digits is 54
• More coming soon!