659

Names of 659

• Cardinal: 659 can be written as Six hundred fifty-nine.

Scientific notation

• Scientific notation: 6.59 × 10²

Factors of 659

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 659

Divisors of 659

• Number of divisors d(n): 2
• Complete list of divisors:
  1 659
• Sum of all divisors σ(n): 660
• Sum of proper divisors (its aliquot sum) s(n): 1
• 659 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 658

Bases of 659

• Binary: 1010010011₂
• Hexadecimal: 0x293
• Base-36: IB

Squares and roots of 659

• 659 squared (659²) is 434281
• 659 cubed (659³) is 286191179
• The square root of 659 is 25.6709953059
• The cube root of 659 is 8.7021882019

Scales and comparisons

• 659 seconds is equal to 10 minutes, 59 seconds.
• To count from 1 to 659 would take you about five 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 659 cubic inches would be around 0.7 feet tall.

Recreational maths with 659

• 659 backwards is 956
• 659 is a twin prime! Its twin is 661
• The number of decimal digits it has is: 3
• The sum of 659's digits is 20
• More coming soon!