12909

Names of 12909

• Cardinal: 12909 can be written as Twelve thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.2909 × 10⁴

Factors of 12909

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 347

Divisors of 12909

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 13 39 331 993 4303 12909
• Sum of all divisors σ(n): 18592
• Sum of proper divisors (its aliquot sum) s(n): 5683
• 12909 is a deficient number, because the sum of its proper divisors (5683) is less than itself. Its deficiency is 7226

Bases of 12909

• Binary: 11001001101101₂
• Hexadecimal: 0x326D
• Base-36: 9YL

Squares and roots of 12909

• 12909 squared (12909²) is 166642281
• 12909 cubed (12909³) is 2151185205429
• The square root of 12909 is 113.6177802987
• The cube root of 12909 is 23.4583538839

Scales and comparisons

• 12,909 seconds is equal to 3 hours, 35 minutes, 9 seconds.
• To count from 1 to 12,909 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 12909 cubic inches would be around 2 feet tall.

Recreational maths with 12909

• 12909 backwards is 90921
• The number of decimal digits it has is: 5
• The sum of 12909's digits is 21
• More coming soon!