238

Names of 238

• Cardinal: 238 can be written as Two hundred thirty-eight.

Scientific notation

• Scientific notation: 2.38 × 10²

Factors of 238

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 26

Divisors of 238

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 17 34 119 238
• Sum of all divisors σ(n): 432
• Sum of proper divisors (its aliquot sum) s(n): 194
• 238 is a deficient number, because the sum of its proper divisors (194) is less than itself. Its deficiency is 44

Bases of 238

• Binary: 11101110₂
• Hexadecimal: 0xEE
• Base-36: 6M

Squares and roots of 238

• 238 squared (238²) is 56644
• 238 cubed (238³) is 13481272
• The square root of 238 is 15.4272486205
• The cube root of 238 is 6.1971544347

Scales and comparisons

• 238 seconds is equal to 3 minutes, 58 seconds.
• To count from 1 to 238 would take you about fifty-nine seconds.

  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 238 cubic inches would be around 0.5 feet tall.

Recreational maths with 238

• 238 backwards is 832
• The number of decimal digits it has is: 3
• The sum of 238's digits is 13
• More coming soon!