47491

Names of 47491

• Cardinal: 47491 can be written as Forty-seven thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 4.7491 × 10⁴

Factors of 47491

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 47491

Divisors of 47491

• Number of divisors d(n): 2
• Complete list of divisors:
  1 47491
• Sum of all divisors σ(n): 47492
• Sum of proper divisors (its aliquot sum) s(n): 1
• 47491 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 47490

Bases of 47491

• Binary: 1011100110000011₂
• Hexadecimal: 0xB983
• Base-36: 10N7

Squares and roots of 47491

• 47491 squared (47491²) is 2255395081
• 47491 cubed (47491³) is 107110967791771
• The square root of 47491 is 217.9242987829
• The cube root of 47491 is 36.2134947601

Scales and comparisons

• 47,491 seconds is equal to 13 hours, 11 minutes, 31 seconds.
• To count from 1 to 47,491 would take you about thirteen hours.

  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 47491 cubic inches would be around 3 feet tall.

Recreational maths with 47491

• 47491 backwards is 19474
• The number of decimal digits it has is: 5
• The sum of 47491's digits is 25
• More coming soon!