5691

Names of 5691

• Cardinal: 5691 can be written as Five thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 5.691 × 10³

Factors of 5691

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 281

Divisors of 5691

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 271 813 1897 5691
• Sum of all divisors σ(n): 8704
• Sum of proper divisors (its aliquot sum) s(n): 3013
• 5691 is a deficient number, because the sum of its proper divisors (3013) is less than itself. Its deficiency is 2678

Bases of 5691

• Binary: 1011000111011₂
• Hexadecimal: 0x163B
• Base-36: 4E3

Squares and roots of 5691

• 5691 squared (5691²) is 32387481
• 5691 cubed (5691³) is 184317154371
• The square root of 5691 is 75.4387168501
• The cube root of 5691 is 17.8537532613

Scales and comparisons

• 5,691 seconds is equal to 1 hour, 34 minutes, 51 seconds.
• To count from 1 to 5,691 would take you about thirty-four minutes.

  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 5691 cubic inches would be around 1.5 feet tall.

Recreational maths with 5691

• 5691 backwards is 1965
• 5691 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 5691's digits is 21
• More coming soon!