13539855

Names of 13539855

• Cardinal: 13539855 can be written as Thirteen million, five hundred thirty-nine thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.3539855 × 10⁷

Factors of 13539855

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 128966

Divisors of 13539855

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 5 7 15 21 35 105 128951 386853 644755 902657 1934265 2707971 4513285 13539855
• Sum of all divisors σ(n): 24758784
• Sum of proper divisors (its aliquot sum) s(n): 11218929
• 13539855 is a deficient number, because the sum of its proper divisors (11218929) is less than itself. Its deficiency is 2320926

Bases of 13539855

• Binary: 110011101001101000001111₂
• Hexadecimal: 0xCE9A0F
• Base-36: 827F3

Squares and roots of 13539855

• 13539855 squared (13539855²) is 183327673421025
• 13539855 cubed (13539855³) is 2482230115608032451375
• The square root of 13539855 is 3679.6541957093
• The cube root of 13539855 is 238.3442456195

Scales and comparisons

• 13,539,855 seconds is equal to 22 weeks, 2 days, 17 hours, 4 minutes, 15 seconds.
• To count from 1 to 13,539,855 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 13539855 cubic inches would be around 19.9 feet tall.

Recreational maths with 13539855

• 13539855 backwards is 55893531
• The number of decimal digits it has is: 8
• The sum of 13539855's digits is 39
• More coming soon!