3997021

Names of 3997021

• Cardinal: 3997021 can be written as Three million, nine hundred ninety-seven thousand and twenty-one.

Scientific notation

• Scientific notation: 3.997021 × 10⁶

Factors of 3997021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 12203

Divisors of 3997021

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 47 329 12149 85043 571003 3997021
• Sum of all divisors σ(n): 4665600
• Sum of proper divisors (its aliquot sum) s(n): 668579
• 3997021 is a deficient number, because the sum of its proper divisors (668579) is less than itself. Its deficiency is 3328442

Bases of 3997021

• Binary: 1111001111110101011101₂
• Hexadecimal: 0x3CFD5D
• Base-36: 2DO4D

Squares and roots of 3997021

• 3997021 squared (3997021²) is 15976176874441
• 3997021 cubed (3997021³) is 63857114466855040261
• The square root of 3997021 is 1999.2551112853
• The cube root of 3997021 is 158.7006881789

Scales and comparisons

• 3,997,021 seconds is equal to 6 weeks, 4 days, 6 hours, 17 minutes, 1 second.
• To count from 1 to 3,997,021 would take you about nine weeks!

  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 3997021 cubic inches would be around 13.2 feet tall.

Recreational maths with 3997021

• 3997021 backwards is 1207993
• The number of decimal digits it has is: 7
• The sum of 3997021's digits is 31
• More coming soon!