13786989

Names of 13786989

• Cardinal: 13786989 can be written as Thirteen million, seven hundred eighty-six thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3786989 × 10⁷

Factors of 13786989

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 241899

Divisors of 13786989

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 19 57 241877 725631 4595663 13786989
• Sum of all divisors σ(n): 19350240
• Sum of proper divisors (its aliquot sum) s(n): 5563251
• 13786989 is a deficient number, because the sum of its proper divisors (5563251) is less than itself. Its deficiency is 8223738

Bases of 13786989

• Binary: 110100100101111101101101₂
• Hexadecimal: 0xD25F6D
• Base-36: 87I3X

Squares and roots of 13786989

• 13786989 squared (13786989²) is 190081065686121
• 13786989 cubed (13786989³) is 2620645561722827679669
• The square root of 13786989 is 3713.0834895003
• The cube root of 13786989 is 239.7856245425

Scales and comparisons

• 13,786,989 seconds is equal to 22 weeks, 5 days, 13 hours, 43 minutes, 9 seconds.
• To count from 1 to 13,786,989 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 13786989 cubic inches would be around 20 feet tall.

Recreational maths with 13786989

• 13786989 backwards is 98968731
• The number of decimal digits it has is: 8
• The sum of 13786989's digits is 51
• More coming soon!