139231

Names of 139231

• Cardinal: 139231 can be written as One hundred thirty-nine thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 1.39231 × 10⁵

Factors of 139231

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 161

Divisors of 139231

• Number of divisors d(n): 8
• Complete list of divisors:
  1 37 53 71 1961 2627 3763 139231
• Sum of all divisors σ(n): 147744
• Sum of proper divisors (its aliquot sum) s(n): 8513
• 139231 is a deficient number, because the sum of its proper divisors (8513) is less than itself. Its deficiency is 130718

Bases of 139231

• Binary: 100001111111011111₂
• Hexadecimal: 0x21FDF
• Base-36: 2ZFJ

Squares and roots of 139231

• 139231 squared (139231²) is 19385271361
• 139231 cubed (139231³) is 2699030716863391
• The square root of 139231 is 373.1367041715
• The cube root of 139231 is 51.8296943185

Scales and comparisons

• 139,231 seconds is equal to 1 day, 14 hours, 40 minutes, 31 seconds.
• To count from 1 to 139,231 would take you about fourteen hours.

  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 139231 cubic inches would be around 4.3 feet tall.

Recreational maths with 139231

• 139231 backwards is 132931
• The number of decimal digits it has is: 6
• The sum of 139231's digits is 19
• More coming soon!