38138143

Names of 38138143

• Cardinal: 38138143 can be written as Thirty-eight million, one hundred thirty-eight thousand, one hundred forty-three.

Scientific notation

• Scientific notation: 3.8138143 × 10⁷

Factors of 38138143

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 38138143

Divisors of 38138143

• Number of divisors d(n): 2
• Complete list of divisors:
  1 38138143
• Sum of all divisors σ(n): 38138144
• Sum of proper divisors (its aliquot sum) s(n): 1
• 38138143 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 38138142

Bases of 38138143

• Binary: 10010001011111000100011111₂
• Hexadecimal: 0x245F11F
• Base-36: MPFKV

Squares and roots of 38138143

• 38138143 squared (38138143²) is 1454517951488449
• 38138143 cubed (38138143³) is 55472613629933530810207
• The square root of 38138143 is 6175.6087149365
• The cube root of 38138143 is 336.6044456897

Scales and comparisons

• 38,138,143 seconds is equal to 1 year, 11 weeks, 9 hours, 55 minutes, 43 seconds.
• To count from 1 to 38,138,143 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 38138143 cubic inches would be around 28.1 feet tall.

Recreational maths with 38138143

• 38138143 backwards is 34183183
• The number of decimal digits it has is: 8
• The sum of 38138143's digits is 31
• More coming soon!