139309

Names of 139309

• Cardinal: 139309 can be written as One hundred thirty-nine thousand, three hundred nine.

Scientific notation

• Scientific notation: 1.39309 × 10⁵

Factors of 139309

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 139309

Divisors of 139309

• Number of divisors d(n): 2
• Complete list of divisors:
  1 139309
• Sum of all divisors σ(n): 139310
• Sum of proper divisors (its aliquot sum) s(n): 1
• 139309 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 139308

Bases of 139309

• Binary: 100010000000101101₂
• Hexadecimal: 0x2202D
• Base-36: 2ZHP

Squares and roots of 139309

• 139309 squared (139309²) is 19406997481
• 139309 cubed (139309³) is 2703569412080629
• The square root of 139309 is 373.2412088717
• The cube root of 139309 is 51.8393711901

Scales and comparisons

• 139,309 seconds is equal to 1 day, 14 hours, 41 minutes, 49 seconds.
• To count from 1 to 139,309 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 139309 cubic inches would be around 4.3 feet tall.

Recreational maths with 139309

• 139309 backwards is 903931
• The number of decimal digits it has is: 6
• The sum of 139309's digits is 25
• More coming soon!