3997645

Names of 3997645

• Cardinal: 3997645 can be written as Three million, nine hundred ninety-seven thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 3.997645 × 10⁶

Factors of 3997645

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 799534

Divisors of 3997645

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 799529 3997645
• Sum of all divisors σ(n): 4797180
• Sum of proper divisors (its aliquot sum) s(n): 799535
• 3997645 is a deficient number, because the sum of its proper divisors (799535) is less than itself. Its deficiency is 3198110

Bases of 3997645

• Binary: 1111001111111111001101₂
• Hexadecimal: 0x3CFFCD
• Base-36: 2DOLP

Squares and roots of 3997645

• 3997645 squared (3997645²) is 15981165546025
• 3997645 cubed (3997645³) is 63887026539239111125
• The square root of 3997645 is 1999.4111633179
• The cube root of 3997645 is 158.7089463355

Scales and comparisons

• 3,997,645 seconds is equal to 6 weeks, 4 days, 6 hours, 27 minutes, 25 seconds.
• To count from 1 to 3,997,645 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 3997645 cubic inches would be around 13.2 feet tall.

Recreational maths with 3997645

• 3997645 backwards is 5467993
• The number of decimal digits it has is: 7
• The sum of 3997645's digits is 43
• More coming soon!