397981

Names of 397981

• Cardinal: 397981 can be written as Three hundred ninety-seven thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 3.97981 × 10⁵

Factors of 397981

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 397981

Divisors of 397981

• Number of divisors d(n): 2
• Complete list of divisors:
  1 397981
• Sum of all divisors σ(n): 397982
• Sum of proper divisors (its aliquot sum) s(n): 1
• 397981 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 397980

Bases of 397981

• Binary: 1100001001010011101₂
• Hexadecimal: 0x6129D
• Base-36: 8J31

Squares and roots of 397981

• 397981 squared (397981²) is 158388876361
• 397981 cubed (397981³) is 63035763403027141
• The square root of 397981 is 630.8573531315
• The cube root of 397981 is 73.5564531505

Scales and comparisons

• 397,981 seconds is equal to 4 days, 14 hours, 33 minutes, 1 second.
• To count from 1 to 397,981 would take you about four days.

  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 397981 cubic inches would be around 6.1 feet tall.

Recreational maths with 397981

• 397981 backwards is 189793
• The number of decimal digits it has is: 6
• The sum of 397981's digits is 37
• More coming soon!