13780855

Names of 13780855

• Cardinal: 13780855 can be written as Thirteen million, seven hundred eighty thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.3780855 × 10⁷

Factors of 13780855

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 5886

Divisors of 13780855

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 11 43 55 215 473 2365 5827 29135 64097 250561 320485 1252805 2756171 13780855
• Sum of all divisors σ(n): 18463104
• Sum of proper divisors (its aliquot sum) s(n): 4682249
• 13780855 is a deficient number, because the sum of its proper divisors (4682249) is less than itself. Its deficiency is 9098606

Bases of 13780855

• Binary: 110100100100011101110111₂
• Hexadecimal: 0xD24777
• Base-36: 87DDJ

Squares and roots of 13780855

• 13780855 squared (13780855²) is 189911964531025
• 13780855 cubed (13780855³) is 2617149245967198526375
• The square root of 13780855 is 3712.2573994809
• The cube root of 13780855 is 239.7500580817

Scales and comparisons

• 13,780,855 seconds is equal to 22 weeks, 5 days, 12 hours, 55 seconds.
• To count from 1 to 13,780,855 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 13780855 cubic inches would be around 20 feet tall.

Recreational maths with 13780855

• 13780855 backwards is 55808731
• The number of decimal digits it has is: 8
• The sum of 13780855's digits is 37
• More coming soon!