4981

Names of 4981

• Cardinal: 4981 can be written as Four thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 4.981 × 10³

Factors of 4981

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 310

Divisors of 4981

• Number of divisors d(n): 4
• Complete list of divisors:
  1 17 293 4981
• Sum of all divisors σ(n): 5292
• Sum of proper divisors (its aliquot sum) s(n): 311
• 4981 is a deficient number, because the sum of its proper divisors (311) is less than itself. Its deficiency is 4670

Bases of 4981

• Binary: 1001101110101₂
• Hexadecimal: 0x1375
• Base-36: 3UD

Squares and roots of 4981

• 4981 squared (4981²) is 24810361
• 4981 cubed (4981³) is 123580408141
• The square root of 4981 is 70.5761999543
• The cube root of 4981 is 17.0780722779

Scales and comparisons

• 4,981 seconds is equal to 1 hour, 23 minutes, 1 second.
• To count from 1 to 4,981 would take you about twenty-three 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 4981 cubic inches would be around 1.4 feet tall.

Recreational maths with 4981

• 4981 backwards is 1894
• The number of decimal digits it has is: 4
• The sum of 4981's digits is 22
• More coming soon!