1563

Names of 1563

• Cardinal: 1563 can be written as One thousand, five hundred sixty-three.

Scientific notation

• Scientific notation: 1.563 × 10³

Factors of 1563

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 524

Divisors of 1563

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 521 1563
• Sum of all divisors σ(n): 2088
• Sum of proper divisors (its aliquot sum) s(n): 525
• 1563 is a deficient number, because the sum of its proper divisors (525) is less than itself. Its deficiency is 1038

Bases of 1563

• Binary: 11000011011₂
• Hexadecimal: 0x61B
• Base-36: 17F

Squares and roots of 1563

• 1563 squared (1563²) is 2442969
• 1563 cubed (1563³) is 3818360547
• The square root of 1563 is 39.5347948015
• The cube root of 1563 is 11.6052097091

Scales and comparisons

• 1,563 seconds is equal to 26 minutes, 3 seconds.
• To count from 1 to 1,563 would take you about twenty-six 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 1563 cubic inches would be around 1 feet tall.

Recreational maths with 1563

• 1563 backwards is 3651
• The number of decimal digits it has is: 4
• The sum of 1563's digits is 15
• More coming soon!