163

Names of 163

• Cardinal: 163 can be written as One hundred sixty-three.

Scientific notation

• Scientific notation: 1.63 × 10²

Factors of 163

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 163

Divisors of 163

• Number of divisors d(n): 2
• Complete list of divisors:
  1 163
• Sum of all divisors σ(n): 164
• Sum of proper divisors (its aliquot sum) s(n): 1
• 163 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 162

Bases of 163

• Binary: 10100011₂
• Hexadecimal: 0xA3
• Base-36: 4J

Squares and roots of 163

• 163 squared (163²) is 26569
• 163 cubed (163³) is 4330747
• The square root of 163 is 12.7671453349
• The cube root of 163 is 5.4625555713

Scales and comparisons

• 163 seconds is equal to 2 minutes, 43 seconds.
• To count from 1 to 163 would take you about twenty-one seconds.

  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 163 cubic inches would be around 0.5 feet tall.

Recreational maths with 163

• 163 backwards is 361
• The number of decimal digits it has is: 3
• The sum of 163's digits is 10
• More coming soon!