18374364729

Names of 18374364729

• Cardinal: 18374364729 can be written as Eighteen billion, three hundred seventy-four million, three hundred sixty-four thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.8374364729 × 10¹⁰

Factors of 18374364729

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1220

Divisors of 18374364729

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 9 21 23 27 63 69 81 161 189 207 483 567 621 1187 1449 1863 3561 4347 8309 10683 13041 24927 27301 32049 74781 81903 96147 191107 224343 245709 573321 673029 737127 1408969 1719963 2211381 4226907 5159889 9862783 12680721 15479667 29588349 32406287 38042163 88765047 97218861 114126489 226844009 266295141 291656583 680532027 798885423 874969749 2041596081 2624909247 6124788243 18374364729
• Sum of all divisors σ(n): 32760767424
• Sum of proper divisors (its aliquot sum) s(n): 14386402695
• 18374364729 is a deficient number, because the sum of its proper divisors (14386402695) is less than itself. Its deficiency is 3987962034

Bases of 18374364729

• Binary: 10001000111001100101000111000111001₂
• Hexadecimal: 0x447328E39
• Base-36: 8FVMEK9

Squares and roots of 18374364729

• 18374364729 squared (18374364729²) is 337617279194319243441
• 18374364729 cubed (18374364729³) is 6203503026729045043848274992489
• The square root of 18374364729 is 135552.0738646223
• The cube root of 18374364729 is 2638.7856333829

Scales and comparisons

• 18,374,364,729 seconds is equal to 584 years, 12 weeks, 6 days, 6 hours, 12 minutes, 9 seconds.
• To count from 1 to 18,374,364,729 would take you about one thousand, one hundred sixty-eight 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 18374364729 cubic inches would be around 219.9 feet tall.

Recreational maths with 18374364729

• 18374364729 backwards is 92746347381
• The number of decimal digits it has is: 11
• The sum of 18374364729's digits is 54
• More coming soon!