18137949536

Names of 18137949536

• Cardinal: 18137949536 can be written as Eighteen billion, one hundred thirty-seven million, nine hundred forty-nine thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.8137949536 × 10¹⁰

Factors of 18137949536

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4763143

Divisors of 18137949536

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 224 238 272 476 544 952 1904 3808 4763117 9526234 19052468 33341819 38104936 66683638 76209872 80972989 133367276 152419744 161945978 266734552 323891956 533469104 566810923 647783912 1066938208 1133621846 1295567824 2267243692 2591135648 4534487384 9068974768 18137949536
• Sum of all divisors σ(n): 43211006496
• Sum of proper divisors (its aliquot sum) s(n): 25073056960
• 18137949536 is an abundant number, because the sum of its proper divisors (25073056960) is greater than itself. Its abundance is 6935107424

Bases of 18137949536

• Binary: 10000111001000110110010010101100000₂
• Hexadecimal: 0x4391B2560
• Base-36: 8BYV7FK

Squares and roots of 18137949536

• 18137949536 squared (18137949536²) is 328985213370482615296
• 18137949536 cubed (18137949536³) is 5967117198204006148204149702656
• The square root of 18137949536 is 134677.2049606021
• The cube root of 18137949536 is 2627.4193645669

Scales and comparisons

• 18,137,949,536 seconds is equal to 576 years, 37 weeks, 6 days, 23 hours, 18 minutes, 56 seconds.
• To count from 1 to 18,137,949,536 would take you about one thousand, one hundred fifty-three 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 18137949536 cubic inches would be around 219 feet tall.

Recreational maths with 18137949536

• 18137949536 backwards is 63594973181
• 18137949536 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18137949536's digits is 56
• More coming soon!