139798231

Names of 139798231

• Cardinal: 139798231 can be written as One hundred thirty-nine million, seven hundred ninety-eight thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 1.39798231 × 10⁸

Factors of 139798231

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 139798231

Divisors of 139798231

• Number of divisors d(n): 2
• Complete list of divisors:
  1 139798231
• Sum of all divisors σ(n): 139798232
• Sum of proper divisors (its aliquot sum) s(n): 1
• 139798231 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 139798230

Bases of 139798231

• Binary: 1000010101010010011011010111₂
• Hexadecimal: 0x85526D7
• Base-36: 2B8D07

Squares and roots of 139798231

• 139798231 squared (139798231²) is 19543545390729361
• 139798231 cubed (139798231³) is 2732153073092168467560391
• The square root of 139798231 is 11823.6301955025
• The cube root of 139798231 is 518.9998416001

Scales and comparisons

• 139,798,231 seconds is equal to 4 years, 23 weeks, 1 day, 50 minutes, 31 seconds.
• To count from 1 to 139,798,231 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 139798231 cubic inches would be around 43.2 feet tall.

Recreational maths with 139798231

• 139798231 backwards is 132897931
• The number of decimal digits it has is: 9
• The sum of 139798231's digits is 43
• More coming soon!