28669

Names of 28669

• Cardinal: 28669 can be written as Twenty-eight thousand, six hundred sixty-nine.

Scientific notation

• Scientific notation: 2.8669 × 10⁴

Factors of 28669

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 28669

Divisors of 28669

• Number of divisors d(n): 2
• Complete list of divisors:
  1 28669
• Sum of all divisors σ(n): 28670
• Sum of proper divisors (its aliquot sum) s(n): 1
• 28669 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 28668

Bases of 28669

• Binary: 110111111111101₂
• Hexadecimal: 0x6FFD
• Base-36: M4D

Squares and roots of 28669

• 28669 squared (28669²) is 821911561
• 28669 cubed (28669³) is 23563382542309
• The square root of 28669 is 169.3192251341
• The cube root of 28669 is 30.6058314033

Scales and comparisons

• 28,669 seconds is equal to 7 hours, 57 minutes, 49 seconds.
• To count from 1 to 28,669 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 28669 cubic inches would be around 2.6 feet tall.

Recreational maths with 28669

• 28669 backwards is 96682
• The number of decimal digits it has is: 5
• The sum of 28669's digits is 31
• More coming soon!