28684

Names of 28684

• Cardinal: 28684 can be written as Twenty-eight thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 2.8684 × 10⁴

Factors of 28684

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 174

Divisors of 28684

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 71 101 142 202 284 404 7171 14342 28684
• Sum of all divisors σ(n): 51408
• Sum of proper divisors (its aliquot sum) s(n): 22724
• 28684 is a deficient number, because the sum of its proper divisors (22724) is less than itself. Its deficiency is 5960

Bases of 28684

• Binary: 111000000001100₂
• Hexadecimal: 0x700C
• Base-36: M4S

Squares and roots of 28684

• 28684 squared (28684²) is 822771856
• 28684 cubed (28684³) is 23600387917504
• The square root of 28684 is 169.3635143707
• The cube root of 28684 is 30.6111682645

Scales and comparisons

• 28,684 seconds is equal to 7 hours, 58 minutes, 4 seconds.
• To count from 1 to 28,684 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 28684 cubic inches would be around 2.6 feet tall.

Recreational maths with 28684

• 28684 backwards is 48682
• The number of decimal digits it has is: 5
• The sum of 28684's digits is 28
• More coming soon!