12165

Names of 12165

• Cardinal: 12165 can be written as Twelve thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.2165 × 10⁴

Factors of 12165

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 819

Divisors of 12165

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 811 2433 4055 12165
• Sum of all divisors σ(n): 19488
• Sum of proper divisors (its aliquot sum) s(n): 7323
• 12165 is a deficient number, because the sum of its proper divisors (7323) is less than itself. Its deficiency is 4842

Bases of 12165

• Binary: 10111110000101₂
• Hexadecimal: 0x2F85
• Base-36: 9DX

Squares and roots of 12165

• 12165 squared (12165²) is 147987225
• 12165 cubed (12165³) is 1800264592125
• The square root of 12165 is 110.2950588195
• The cube root of 12165 is 22.9987396913

Scales and comparisons

• 12,165 seconds is equal to 3 hours, 22 minutes, 45 seconds.
• To count from 1 to 12,165 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 12165 cubic inches would be around 1.9 feet tall.

Recreational maths with 12165

• 12165 backwards is 56121
• 12165 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 12165's digits is 15
• More coming soon!