4191

Names of 4191

• Cardinal: 4191 can be written as Four thousand, one hundred ninety-one.

Scientific notation

• Scientific notation: 4.191 × 10³

Factors of 4191

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 141

Divisors of 4191

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 11 33 127 381 1397 4191
• Sum of all divisors σ(n): 6144
• Sum of proper divisors (its aliquot sum) s(n): 1953
• 4191 is a deficient number, because the sum of its proper divisors (1953) is less than itself. Its deficiency is 2238

Bases of 4191

• Binary: 1000001011111₂
• Hexadecimal: 0x105F
• Base-36: 38F

Squares and roots of 4191

• 4191 squared (4191²) is 17564481
• 4191 cubed (4191³) is 73612739871
• The square root of 4191 is 64.7379332385
• The cube root of 4191 is 16.1227537283

Scales and comparisons

• 4,191 seconds is equal to 1 hour, 9 minutes, 51 seconds.
• To count from 1 to 4,191 would take you about nine 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 4191 cubic inches would be around 1.3 feet tall.

Recreational maths with 4191

• 4191 backwards is 1914
• The number of decimal digits it has is: 4
• The sum of 4191's digits is 15
• More coming soon!