40394379

Names of 40394379

• Cardinal: 40394379 can be written as Forty million, three hundred ninety-four thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 4.0394379 × 10⁷

Factors of 40394379

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9437

Divisors of 40394379

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 1753 5259 7681 23043 13464793 40394379
• Sum of all divisors σ(n): 53896912
• Sum of proper divisors (its aliquot sum) s(n): 13502533
• 40394379 is a deficient number, because the sum of its proper divisors (13502533) is less than itself. Its deficiency is 26891846

Bases of 40394379

• Binary: 10011010000101111010001011₂
• Hexadecimal: 0x2685E8B
• Base-36: O1SI3

Squares and roots of 40394379

• 40394379 squared (40394379²) is 1631705854795641
• 40394379 cubed (40394379³) is 65911744715134090101939
• The square root of 40394379 is 6355.6572437473
• The cube root of 40394379 is 343.1154798769

Scales and comparisons

• 40,394,379 seconds is equal to 1 year, 14 weeks, 5 days, 12 hours, 39 minutes, 39 seconds.
• To count from 1 to 40,394,379 would take you about forty-eight 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 40394379 cubic inches would be around 28.6 feet tall.

Recreational maths with 40394379

• 40394379 backwards is 97349304
• The number of decimal digits it has is: 8
• The sum of 40394379's digits is 39
• More coming soon!