28887

Names of 28887

• Cardinal: 28887 can be written as Twenty-eight thousand, eight hundred eighty-seven.

Scientific notation

• Scientific notation: 2.8887 × 10⁴

Factors of 28887

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 9632

Divisors of 28887

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 9629 28887
• Sum of all divisors σ(n): 38520
• Sum of proper divisors (its aliquot sum) s(n): 9633
• 28887 is a deficient number, because the sum of its proper divisors (9633) is less than itself. Its deficiency is 19254

Bases of 28887

• Binary: 111000011010111₂
• Hexadecimal: 0x70D7
• Base-36: MAF

Squares and roots of 28887

• 28887 squared (28887²) is 834458769
• 28887 cubed (28887³) is 24105010460103
• The square root of 28887 is 169.9617604051
• The cube root of 28887 is 30.6832115093

Scales and comparisons

• 28,887 seconds is equal to 8 hours, 1 minute, 27 seconds.
• To count from 1 to 28,887 would take you about eight 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 28887 cubic inches would be around 2.6 feet tall.

Recreational maths with 28887

• 28887 backwards is 78882
• The number of decimal digits it has is: 5
• The sum of 28887's digits is 33
• More coming soon!