13940144

Names of 13940144

• Cardinal: 13940144 can be written as Thirteen million, nine hundred forty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.3940144 × 10⁷

Factors of 13940144

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 871261

Divisors of 13940144

• Number of divisors d(n): 10
• Complete list of divisors:
  1 2 4 8 16 871259 1742518 3485036 6970072 13940144
• Sum of all divisors σ(n): 27009060
• Sum of proper divisors (its aliquot sum) s(n): 13068916
• 13940144 is a deficient number, because the sum of its proper divisors (13068916) is less than itself. Its deficiency is 871228

Bases of 13940144

• Binary: 110101001011010110110000₂
• Hexadecimal: 0xD4B5B0
• Base-36: 8ASA8

Squares and roots of 13940144

• 13940144 squared (13940144²) is 194327614740736
• 13940144 cubed (13940144³) is 2708954932662382505984
• The square root of 13940144 is 3733.6502246461
• The cube root of 13940144 is 240.6702560405

Scales and comparisons

• 13,940,144 seconds is equal to 23 weeks, 8 hours, 15 minutes, 44 seconds.
• To count from 1 to 13,940,144 would take you about thirty-four 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 13940144 cubic inches would be around 20.1 feet tall.

Recreational maths with 13940144

• 13940144 backwards is 44104931
• The number of decimal digits it has is: 8
• The sum of 13940144's digits is 26
• More coming soon!