28000231

Names of 28000231

• Cardinal: 28000231 can be written as Twenty-eight million, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.8000231 × 10⁷

Factors of 28000231

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 108153

Divisors of 28000231

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 37 259 108109 756763 4000033 28000231
• Sum of all divisors σ(n): 32865440
• Sum of proper divisors (its aliquot sum) s(n): 4865209
• 28000231 is a deficient number, because the sum of its proper divisors (4865209) is less than itself. Its deficiency is 23135022

Bases of 28000231

• Binary: 1101010110011111111100111₂
• Hexadecimal: 0x1AB3FE7
• Base-36: GO547

Squares and roots of 28000231

• 28000231 squared (28000231²) is 784012936053361
• 28000231 cubed (28000231³) is 21952543316482336326391
• The square root of 28000231 is 5291.5244495325
• The cube root of 28000231 is 303.6597322473

Scales and comparisons

• 28,000,231 seconds is equal to 46 weeks, 2 days, 1 hour, 50 minutes, 31 seconds.
• To count from 1 to 28,000,231 would take you about seventeen 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 28000231 cubic inches would be around 25.3 feet tall.

Recreational maths with 28000231

• 28000231 backwards is 13200082
• The number of decimal digits it has is: 8
• The sum of 28000231's digits is 16
• More coming soon!