138072061

Names of 138072061

• Cardinal: 138072061 can be written as One hundred thirty-eight million, seventy-two thousand and sixty-one.

Scientific notation

• Scientific notation: 1.38072061 × 10⁸

Factors of 138072061

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1731

Divisors of 138072061

• Number of divisors d(n): 8
• Complete list of divisors:
  1 271 577 883 156367 239293 509491 138072061
• Sum of all divisors σ(n): 138978944
• Sum of proper divisors (its aliquot sum) s(n): 906883
• 138072061 is a deficient number, because the sum of its proper divisors (906883) is less than itself. Its deficiency is 137165178

Bases of 138072061

• Binary: 1000001110101100111111111101₂
• Hexadecimal: 0x83ACFFD
• Base-36: 2A7D31

Squares and roots of 138072061

• 138072061 squared (138072061²) is 19063894028787721
• 138072061 cubed (138072061³) is 2632191139240313969962981
• The square root of 138072061 is 11750.4068440203
• The cube root of 138072061 is 516.8548578871

Scales and comparisons

• 138,072,061 seconds is equal to 4 years, 20 weeks, 2 days, 1 hour, 21 minutes, 1 second.
• To count from 1 to 138,072,061 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 138072061 cubic inches would be around 43.1 feet tall.

Recreational maths with 138072061

• 138072061 backwards is 160270831
• The number of decimal digits it has is: 9
• The sum of 138072061's digits is 28
• More coming soon!