38139042

Names of 38139042

• Cardinal: 38139042 can be written as Thirty-eight million, one hundred thirty-nine thousand and forty-two.

Scientific notation

• Scientific notation: 3.8139042 × 10⁷

Factors of 38139042

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3570

Divisors of 38139042

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 19 38 57 97 114 194 291 582 1843 3449 3686 5529 6898 10347 11058 20694 65531 131062 196593 334553 393186 669106 1003659 2007318 6356507 12713014 19069521 38139042
• Sum of all divisors σ(n): 81144000
• Sum of proper divisors (its aliquot sum) s(n): 43004958
• 38139042 is an abundant number, because the sum of its proper divisors (43004958) is greater than itself. Its abundance is 4865916

Bases of 38139042

• Binary: 10010001011111010010100010₂
• Hexadecimal: 0x245F4A2
• Base-36: MPG9U

Squares and roots of 38139042

• 38139042 squared (38139042²) is 1454586524677764
• 38139042 cubed (38139042³) is 55476536557319277662088
• The square root of 38139042 is 6175.6815008547
• The cube root of 38139042 is 336.6070905049

Scales and comparisons

• 38,139,042 seconds is equal to 1 year, 11 weeks, 10 hours, 10 minutes, 42 seconds.
• To count from 1 to 38,139,042 would take you about forty-two 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 38139042 cubic inches would be around 28.1 feet tall.

Recreational maths with 38139042

• 38139042 backwards is 24093183
• The number of decimal digits it has is: 8
• The sum of 38139042's digits is 30
• More coming soon!