12987152

Names of 12987152

• Cardinal: 12987152 can be written as Twelve million, nine hundred eighty-seven thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.2987152 × 10⁷

Factors of 12987152

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 811699

Divisors of 12987152

• Number of divisors d(n): 10
• Complete list of divisors:
  1 2 4 8 16 811697 1623394 3246788 6493576 12987152
• Sum of all divisors σ(n): 25162638
• Sum of proper divisors (its aliquot sum) s(n): 12175486
• 12987152 is a deficient number, because the sum of its proper divisors (12175486) is less than itself. Its deficiency is 811666

Bases of 12987152

• Binary: 110001100010101100010000₂
• Hexadecimal: 0xC62B10
• Base-36: 7QCY8

Squares and roots of 12987152

• 12987152 squared (12987152²) is 168666117071104
• 12987152 cubed (12987152³) is 2190492499652222455808
• The square root of 12987152 is 3603.7691379999
• The cube root of 12987152 is 235.0559818341

Scales and comparisons

• 12,987,152 seconds is equal to 21 weeks, 3 days, 7 hours, 32 minutes, 32 seconds.
• To count from 1 to 12,987,152 would take you about thirty-two weeks!

  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 12987152 cubic inches would be around 19.6 feet tall.

Recreational maths with 12987152

• 12987152 backwards is 25178921
• The number of decimal digits it has is: 8
• The sum of 12987152's digits is 35
• More coming soon!