12185993

Names of 12185993

• Cardinal: 12185993 can be written as Twelve million, one hundred eighty-five thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 1.2185993 × 10⁷

Factors of 12185993

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 7926

Divisors of 12185993

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2087 5839 12185993
• Sum of all divisors σ(n): 12193920
• Sum of proper divisors (its aliquot sum) s(n): 7927
• 12185993 is a deficient number, because the sum of its proper divisors (7927) is less than itself. Its deficiency is 12178066

Bases of 12185993

• Binary: 101110011111000110001001₂
• Hexadecimal: 0xB9F189
• Base-36: 796RT

Squares and roots of 12185993

• 12185993 squared (12185993²) is 148498425396049
• 12185993 cubed (12185993³) is 1809600772387275341657
• The square root of 12185993 is 3490.8441672467
• The cube root of 12185993 is 230.1196164193

Scales and comparisons

• 12,185,993 seconds is equal to 20 weeks, 1 day, 59 minutes, 53 seconds.
• To count from 1 to 12,185,993 would take you about thirty 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 12185993 cubic inches would be around 19.2 feet tall.

Recreational maths with 12185993

• 12185993 backwards is 39958121
• The number of decimal digits it has is: 8
• The sum of 12185993's digits is 38
• More coming soon!