28238

Names of 28238

• Cardinal: 28238 can be written as Twenty-eight thousand, two hundred thirty-eight.

Scientific notation

• Scientific notation: 2.8238 × 10⁴

Factors of 28238

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2026

Divisors of 28238

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 2017 4034 14119 28238
• Sum of all divisors σ(n): 48432
• Sum of proper divisors (its aliquot sum) s(n): 20194
• 28238 is a deficient number, because the sum of its proper divisors (20194) is less than itself. Its deficiency is 8044

Bases of 28238

• Binary: 110111001001110₂
• Hexadecimal: 0x6E4E
• Base-36: LSE

Squares and roots of 28238

• 28238 squared (28238²) is 797384644
• 28238 cubed (28238³) is 22516547577272
• The square root of 28238 is 168.0416615007
• The cube root of 28238 is 30.4516837805

Scales and comparisons

• 28,238 seconds is equal to 7 hours, 50 minutes, 38 seconds.
• To count from 1 to 28,238 would take you about seven hours.

  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 28238 cubic inches would be around 2.5 feet tall.

Recreational maths with 28238

• 28238 backwards is 83282
• The number of decimal digits it has is: 5
• The sum of 28238's digits is 23
• More coming soon!