28916

Names of 28916

• Cardinal: 28916 can be written as Twenty-eight thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 2.8916 × 10⁴

Factors of 28916

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7231

Divisors of 28916

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 7229 14458 28916
• Sum of all divisors σ(n): 50610
• Sum of proper divisors (its aliquot sum) s(n): 21694
• 28916 is a deficient number, because the sum of its proper divisors (21694) is less than itself. Its deficiency is 7222

Bases of 28916

• Binary: 111000011110100₂
• Hexadecimal: 0x70F4
• Base-36: MB8

Squares and roots of 28916

• 28916 squared (28916²) is 836135056
• 28916 cubed (28916³) is 24177681279296
• The square root of 28916 is 170.0470523120
• The cube root of 28916 is 30.6934758211

Scales and comparisons

• 28,916 seconds is equal to 8 hours, 1 minute, 56 seconds.
• To count from 1 to 28,916 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 28916 cubic inches would be around 2.6 feet tall.

Recreational maths with 28916

• 28916 backwards is 61982
• The number of decimal digits it has is: 5
• The sum of 28916's digits is 26
• More coming soon!