12438641

Names of 12438641

• Cardinal: 12438641 can be written as Twelve million, four hundred thirty-eight thousand, six hundred forty-one.

Scientific notation

• Scientific notation: 1.2438641 × 10⁷

Factors of 12438641

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 90930

Divisors of 12438641

• Number of divisors d(n): 4
• Complete list of divisors:
  1 137 90793 12438641
• Sum of all divisors σ(n): 12529572
• Sum of proper divisors (its aliquot sum) s(n): 90931
• 12438641 is a deficient number, because the sum of its proper divisors (90931) is less than itself. Its deficiency is 12347710

Bases of 12438641

• Binary: 101111011100110001110001₂
• Hexadecimal: 0xBDCC71
• Base-36: 7ELPT

Squares and roots of 12438641

• 12438641 squared (12438641²) is 154719789926881
• 12438641 cubed (12438641³) is 1924503922495889008721
• The square root of 12438641 is 3526.8457578975
• The cube root of 12438641 is 231.6990809731

Scales and comparisons

• 12,438,641 seconds is equal to 20 weeks, 3 days, 23 hours, 10 minutes, 41 seconds.
• To count from 1 to 12,438,641 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 12438641 cubic inches would be around 19.3 feet tall.

Recreational maths with 12438641

• 12438641 backwards is 14683421
• The number of decimal digits it has is: 8
• The sum of 12438641's digits is 29
• More coming soon!