12939

Names of 12939

• Cardinal: 12939 can be written as Twelve thousand, nine hundred thirty-nine.

Scientific notation

• Scientific notation: 1.2939 × 10⁴

Factors of 12939

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 249

Divisors of 12939

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 19 57 227 681 4313 12939
• Sum of all divisors σ(n): 18240
• Sum of proper divisors (its aliquot sum) s(n): 5301
• 12939 is a deficient number, because the sum of its proper divisors (5301) is less than itself. Its deficiency is 7638

Bases of 12939

• Binary: 11001010001011₂
• Hexadecimal: 0x328B
• Base-36: 9ZF

Squares and roots of 12939

• 12939 squared (12939²) is 167417721
• 12939 cubed (12939³) is 2166217892019
• The square root of 12939 is 113.7497252745
• The cube root of 12939 is 23.4765119171

Scales and comparisons

• 12,939 seconds is equal to 3 hours, 35 minutes, 39 seconds.
• To count from 1 to 12,939 would take you about three 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 12939 cubic inches would be around 2 feet tall.

Recreational maths with 12939

• 12939 backwards is 93921
• The number of decimal digits it has is: 5
• The sum of 12939's digits is 24
• More coming soon!