12998185

Names of 12998185

• Cardinal: 12998185 can be written as Twelve million, nine hundred ninety-eight thousand, one hundred eighty-five.

Scientific notation

• Scientific notation: 1.2998185 × 10⁷

Factors of 12998185

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2328

Divisors of 12998185

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 19 61 95 305 1159 2243 5795 11215 42617 136823 213085 684115 2599637 12998185
• Sum of all divisors σ(n): 16695360
• Sum of proper divisors (its aliquot sum) s(n): 3697175
• 12998185 is a deficient number, because the sum of its proper divisors (3697175) is less than itself. Its deficiency is 9301010

Bases of 12998185

• Binary: 110001100101011000101001₂
• Hexadecimal: 0xC65629
• Base-36: 7QLGP

Squares and roots of 12998185

• 12998185 squared (12998185²) is 168952813294225
• 12998185 cubed (12998185³) is 2196079923468795981625
• The square root of 12998185 is 3605.2995714643
• The cube root of 12998185 is 235.1225255125

Scales and comparisons

• 12,998,185 seconds is equal to 21 weeks, 3 days, 10 hours, 36 minutes, 25 seconds.
• To count from 1 to 12,998,185 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 12998185 cubic inches would be around 19.6 feet tall.

Recreational maths with 12998185

• 12998185 backwards is 58189921
• The number of decimal digits it has is: 8
• The sum of 12998185's digits is 43
• More coming soon!