38168138

Names of 38168138

• Cardinal: 38168138 can be written as Thirty-eight million, one hundred sixty-eight thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.8168138 × 10⁷

Factors of 38168138

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 901

Divisors of 38168138

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 149 263 298 487 526 974 39187 72563 78374 128081 145126 256162 19084069 38168138
• Sum of all divisors σ(n): 57974400
• Sum of proper divisors (its aliquot sum) s(n): 19806262
• 38168138 is a deficient number, because the sum of its proper divisors (19806262) is less than itself. Its deficiency is 18361876

Bases of 38168138

• Binary: 10010001100110011001001010₂
• Hexadecimal: 0x246664A
• Base-36: MQ2Q2

Squares and roots of 38168138

• 38168138 squared (38168138²) is 1456806758387044
• 38168138 cubed (38168138³) is 55603601393449352804072
• The square root of 38168138 is 6178.0367431733
• The cube root of 38168138 is 336.6926671203

Scales and comparisons

• 38,168,138 seconds is equal to 1 year, 11 weeks, 18 hours, 15 minutes, 38 seconds.
• To count from 1 to 38,168,138 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 38168138 cubic inches would be around 28.1 feet tall.

Recreational maths with 38168138

• 38168138 backwards is 83186183
• The number of decimal digits it has is: 8
• The sum of 38168138's digits is 38
• More coming soon!