3994978

Names of 3994978

• Cardinal: 3994978 can be written as Three million, nine hundred ninety-four thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 3.994978 × 10⁶

Factors of 3994978

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 8121

Divisors of 3994978

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 13 19 26 38 247 494 8087 16174 105131 153653 210262 307306 1997489 3994978
• Sum of all divisors σ(n): 6793920
• Sum of proper divisors (its aliquot sum) s(n): 2798942
• 3994978 is a deficient number, because the sum of its proper divisors (2798942) is less than itself. Its deficiency is 1196036

Bases of 3994978

• Binary: 1111001111010101100010₂
• Hexadecimal: 0x3CF562
• Base-36: 2DMJM

Squares and roots of 3994978

• 3994978 squared (3994978²) is 15959849220484
• 3994978 cubed (3994978³) is 63759246519150729352
• The square root of 3994978 is 1998.7441056823
• The cube root of 3994978 is 158.6736446413

Scales and comparisons

• 3,994,978 seconds is equal to 6 weeks, 4 days, 5 hours, 42 minutes, 58 seconds.
• To count from 1 to 3,994,978 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 3994978 cubic inches would be around 13.2 feet tall.

Recreational maths with 3994978

• 3994978 backwards is 8794993
• The number of decimal digits it has is: 7
• The sum of 3994978's digits is 49
• More coming soon!