38681993

Names of 38681993

• Cardinal: 38681993 can be written as Thirty-eight million, six hundred eighty-one thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 3.8681993 × 10⁷

Factors of 38681993

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 704

Divisors of 38681993

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 59 229 409 413 1603 2863 13511 24131 93661 94577 168917 655627 5525999 38681993
• Sum of all divisors σ(n): 45264000
• Sum of proper divisors (its aliquot sum) s(n): 6582007
• 38681993 is a deficient number, because the sum of its proper divisors (6582007) is less than itself. Its deficiency is 32099986

Bases of 38681993

• Binary: 10010011100011110110001001₂
• Hexadecimal: 0x24E3D89
• Base-36: N137T

Squares and roots of 38681993

• 38681993 squared (38681993²) is 1496296582452049
• 38681993 cubed (38681993³) is 57879733928334082253657
• The square root of 38681993 is 6219.4849465209
• The cube root of 38681993 is 338.1968934405

Scales and comparisons

• 38,681,993 seconds is equal to 1 year, 11 weeks, 6 days, 16 hours, 59 minutes, 53 seconds.
• To count from 1 to 38,681,993 would take you about forty-three 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 38681993 cubic inches would be around 28.2 feet tall.

Recreational maths with 38681993

• 38681993 backwards is 39918683
• The number of decimal digits it has is: 8
• The sum of 38681993's digits is 47
• More coming soon!