3988

Names of 3988

• Cardinal: 3988 can be written as Three thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 3.988 × 10³

Factors of 3988

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 999

Divisors of 3988

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 997 1994 3988
• Sum of all divisors σ(n): 6986
• Sum of proper divisors (its aliquot sum) s(n): 2998
• 3988 is a deficient number, because the sum of its proper divisors (2998) is less than itself. Its deficiency is 990

Bases of 3988

• Binary: 111110010100₂
• Hexadecimal: 0xF94
• Base-36: 32S

Squares and roots of 3988

• 3988 squared (3988²) is 15904144
• 3988 cubed (3988³) is 63425726272
• The square root of 3988 is 63.1506136155
• The cube root of 3988 is 15.8581206087

Scales and comparisons

• 3,988 seconds is equal to 1 hour, 6 minutes, 28 seconds.
• To count from 1 to 3,988 would take you about 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 3988 cubic inches would be around 1.3 feet tall.

Recreational maths with 3988

• 3988 backwards is 8893
• The number of decimal digits it has is: 4
• The sum of 3988's digits is 28
• More coming soon!