139538

Names of 139538

• Cardinal: 139538 can be written as One hundred thirty-nine thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 1.39538 × 10⁵

Factors of 139538

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9976

Divisors of 139538

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 9967 19934 69769 139538
• Sum of all divisors σ(n): 239232
• Sum of proper divisors (its aliquot sum) s(n): 99694
• 139538 is a deficient number, because the sum of its proper divisors (99694) is less than itself. Its deficiency is 39844

Bases of 139538

• Binary: 100010000100010010₂
• Hexadecimal: 0x22112
• Base-36: 2ZO2

Squares and roots of 139538

• 139538 squared (139538²) is 19470853444
• 139538 cubed (139538³) is 2716923947868872
• The square root of 139538 is 373.5478550333
• The cube root of 139538 is 51.8677606387

Scales and comparisons

• 139,538 seconds is equal to 1 day, 14 hours, 45 minutes, 38 seconds.
• To count from 1 to 139,538 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 139538 cubic inches would be around 4.3 feet tall.

Recreational maths with 139538

• 139538 backwards is 835931
• The number of decimal digits it has is: 6
• The sum of 139538's digits is 29
• More coming soon!