13143585

Names of 13143585

• Cardinal: 13143585 can be written as Thirteen million, one hundred forty-three thousand, five hundred eighty-five.

Scientific notation

• Scientific notation: 1.3143585 × 10⁷

Factors of 13143585

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 9657

Divisors of 13143585

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 1365 9629 28887 48145 67403 125177 144435 202209 337015 375531 625885 876239 1011045 1877655 2628717 4381195 13143585
• Sum of all divisors σ(n): 25885440
• Sum of proper divisors (its aliquot sum) s(n): 12741855
• 13143585 is a deficient number, because the sum of its proper divisors (12741855) is less than itself. Its deficiency is 401730

Bases of 13143585

• Binary: 110010001000111000100001₂
• Hexadecimal: 0xC88E21
• Base-36: 7TPNL

Squares and roots of 13143585

• 13143585 squared (13143585²) is 172753826652225
• 13143585 cubed (13143585³) is 2270604604678784726625
• The square root of 13143585 is 3625.4082528731
• The cube root of 13143585 is 235.9959840837

Scales and comparisons

• 13,143,585 seconds is equal to 21 weeks, 5 days, 2 hours, 59 minutes, 45 seconds.
• To count from 1 to 13,143,585 would take you about thirty-two 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 13143585 cubic inches would be around 19.7 feet tall.

Recreational maths with 13143585

• 13143585 backwards is 58534131
• The number of decimal digits it has is: 8
• The sum of 13143585's digits is 30
• More coming soon!