13487

Names of 13487

• Cardinal: 13487 can be written as Thirteen thousand, four hundred eighty-seven.

Scientific notation

• Scientific notation: 1.3487 × 10⁴

Factors of 13487

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13487

Divisors of 13487

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13487
• Sum of all divisors σ(n): 13488
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13487 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13486

Bases of 13487

• Binary: 11010010101111₂
• Hexadecimal: 0x34AF
• Base-36: AEN

Squares and roots of 13487

• 13487 squared (13487²) is 181899169
• 13487 cubed (13487³) is 2453274092303
• The square root of 13487 is 116.1335438191
• The cube root of 13487 is 23.8033702827

Scales and comparisons

• 13,487 seconds is equal to 3 hours, 44 minutes, 47 seconds.
• To count from 1 to 13,487 would take you about three hours.

  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 13487 cubic inches would be around 2 feet tall.

Recreational maths with 13487

• 13487 backwards is 78431
• The number of decimal digits it has is: 5
• The sum of 13487's digits is 23
• More coming soon!