523

Names of 523

• Cardinal: 523 can be written as Five hundred twenty-three.

Scientific notation

• Scientific notation: 5.23 × 10²

Factors of 523

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 523

Divisors of 523

• Number of divisors d(n): 2
• Complete list of divisors:
  1 523
• Sum of all divisors σ(n): 524
• Sum of proper divisors (its aliquot sum) s(n): 1
• 523 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 522

Bases of 523

• Binary: 1000001011₂
• Hexadecimal: 0x20B
• Base-36: EJ

Squares and roots of 523

• 523 squared (523²) is 273529
• 523 cubed (523³) is 143055667
• The square root of 523 is 22.8691932519
• The cube root of 523 is 8.0568862029

Scales and comparisons

• 523 seconds is equal to 8 minutes, 43 seconds.
• To count from 1 to 523 would take you about 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 523 cubic inches would be around 0.7 feet tall.

Recreational maths with 523

• 523 backwards is 325
• The number of decimal digits it has is: 3
• The sum of 523's digits is 10
• More coming soon!