13689977

Names of 13689977

• Cardinal: 13689977 can be written as Thirteen million, six hundred eighty-nine thousand, nine hundred seventy-seven.

Scientific notation

• Scientific notation: 1.3689977 × 10⁷

Factors of 13689977

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1955718

Divisors of 13689977

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 1955711 13689977
• Sum of all divisors σ(n): 15645696
• Sum of proper divisors (its aliquot sum) s(n): 1955719
• 13689977 is a deficient number, because the sum of its proper divisors (1955719) is less than itself. Its deficiency is 11734258

Bases of 13689977

• Binary: 110100001110010001111001₂
• Hexadecimal: 0xD0E479
• Base-36: 85F95

Squares and roots of 13689977

• 13689977 squared (13689977²) is 187415470260529
• 13689977 cubed (13689977³) is 2565713477310826017833
• The square root of 13689977 is 3699.9968918905
• The cube root of 13689977 is 239.2218838921

Scales and comparisons

• 13,689,977 seconds is equal to 22 weeks, 4 days, 10 hours, 46 minutes, 17 seconds.
• To count from 1 to 13,689,977 would take you about thirty-three 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 13689977 cubic inches would be around 19.9 feet tall.

Recreational maths with 13689977

• 13689977 backwards is 77998631
• The number of decimal digits it has is: 8
• The sum of 13689977's digits is 50
• More coming soon!