3990401

Names of 3990401

• Cardinal: 3990401 can be written as Three million, nine hundred ninety thousand, four hundred one.

Scientific notation

• Scientific notation: 3.990401 × 10⁶

Factors of 3990401

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4050

Divisors of 3990401

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1693 2357 3990401
• Sum of all divisors σ(n): 3994452
• Sum of proper divisors (its aliquot sum) s(n): 4051
• 3990401 is a deficient number, because the sum of its proper divisors (4051) is less than itself. Its deficiency is 3986350

Bases of 3990401

• Binary: 1111001110001110000001₂
• Hexadecimal: 0x3CE381
• Base-36: 2DJ0H

Squares and roots of 3990401

• 3990401 squared (3990401²) is 15923300140801
• 3990401 cubed (3990401³) is 63540352805152451201
• The square root of 3990401 is 1997.5988085699
• The cube root of 3990401 is 158.6130246329

Scales and comparisons

• 3,990,401 seconds is equal to 6 weeks, 4 days, 4 hours, 26 minutes, 41 seconds.
• To count from 1 to 3,990,401 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 3990401 cubic inches would be around 13.2 feet tall.

Recreational maths with 3990401

• 3990401 backwards is 1040993
• The number of decimal digits it has is: 7
• The sum of 3990401's digits is 26
• More coming soon!