13889909

Names of 13889909

• Cardinal: 13889909 can be written as Thirteen million, eight hundred eighty-nine thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.3889909 × 10⁷

Factors of 13889909

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2835

Divisors of 13889909

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 557 2267 6127 24937 1262719 13889909
• Sum of all divisors σ(n): 15186528
• Sum of proper divisors (its aliquot sum) s(n): 1296619
• 13889909 is a deficient number, because the sum of its proper divisors (1296619) is less than itself. Its deficiency is 12593290

Bases of 13889909

• Binary: 110100111111000101110101₂
• Hexadecimal: 0xD3F175
• Base-36: 89PIT

Squares and roots of 13889909

• 13889909 squared (13889909²) is 192929572028281
• 13889909 cubed (13889909³) is 2679774198881768516429
• The square root of 13889909 is 3726.9168222541
• The cube root of 13889909 is 240.3808132597

Scales and comparisons

• 13,889,909 seconds is equal to 22 weeks, 6 days, 18 hours, 18 minutes, 29 seconds.
• To count from 1 to 13,889,909 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 13889909 cubic inches would be around 20 feet tall.

Recreational maths with 13889909

• 13889909 backwards is 90998831
• The number of decimal digits it has is: 8
• The sum of 13889909's digits is 47
• More coming soon!