28708

Names of 28708

• Cardinal: 28708 can be written as Twenty-eight thousand, seven hundred eight.

Scientific notation

• Scientific notation: 2.8708 × 10⁴

Factors of 28708

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7179

Divisors of 28708

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 7177 14354 28708
• Sum of all divisors σ(n): 50246
• Sum of proper divisors (its aliquot sum) s(n): 21538
• 28708 is a deficient number, because the sum of its proper divisors (21538) is less than itself. Its deficiency is 7170

Bases of 28708

• Binary: 111000000100100₂
• Hexadecimal: 0x7024
• Base-36: M5G

Squares and roots of 28708

• 28708 squared (28708²) is 824149264
• 28708 cubed (28708³) is 23659677070912
• The square root of 28708 is 169.4343530693
• The cube root of 28708 is 30.6197033739

Scales and comparisons

• 28,708 seconds is equal to 7 hours, 58 minutes, 28 seconds.
• To count from 1 to 28,708 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 28708 cubic inches would be around 2.6 feet tall.

Recreational maths with 28708

• 28708 backwards is 80782
• The number of decimal digits it has is: 5
• The sum of 28708's digits is 25
• More coming soon!