137927981

Names of 137927981

• Cardinal: 137927981 can be written as One hundred thirty-seven million, nine hundred twenty-seven thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.37927981 × 10⁸

Factors of 137927981

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 137927981

Divisors of 137927981

• Number of divisors d(n): 2
• Complete list of divisors:
  1 137927981
• Sum of all divisors σ(n): 137927982
• Sum of proper divisors (its aliquot sum) s(n): 1
• 137927981 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 137927980

Bases of 137927981

• Binary: 1000001110001001110100101101₂
• Hexadecimal: 0x8389D2D
• Base-36: 2A49WT

Squares and roots of 137927981

• 137927981 squared (137927981²) is 19024127942736361
• 137927981 cubed (137927981³) is 2623959557427309888017141
• The square root of 137927981 is 11744.2743922305
• The cube root of 137927981 is 516.6750137165

Scales and comparisons

• 137,927,981 seconds is equal to 4 years, 20 weeks, 9 hours, 19 minutes, 41 seconds.
• To count from 1 to 137,927,981 would take you about six 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 137927981 cubic inches would be around 43.1 feet tall.

Recreational maths with 137927981

• 137927981 backwards is 189729731
• The number of decimal digits it has is: 9
• The sum of 137927981's digits is 47
• More coming soon!