139813

Names of 139813

• Cardinal: 139813 can be written as One hundred thirty-nine thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 1.39813 × 10⁵

Factors of 139813

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 139813

Divisors of 139813

• Number of divisors d(n): 2
• Complete list of divisors:
  1 139813
• Sum of all divisors σ(n): 139814
• Sum of proper divisors (its aliquot sum) s(n): 1
• 139813 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 139812

Bases of 139813

• Binary: 100010001000100101₂
• Hexadecimal: 0x22225
• Base-36: 2ZVP

Squares and roots of 139813

• 139813 squared (139813²) is 19547674969
• 139813 cubed (139813³) is 2733019080440797
• The square root of 139813 is 373.9157659153
• The cube root of 139813 is 51.9018117555

Scales and comparisons

• 139,813 seconds is equal to 1 day, 14 hours, 50 minutes, 13 seconds.
• To count from 1 to 139,813 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 139813 cubic inches would be around 4.3 feet tall.

Recreational maths with 139813

• 139813 backwards is 318931
• The number of decimal digits it has is: 6
• The sum of 139813's digits is 25
• More coming soon!