28818

Names of 28818

• Cardinal: 28818 can be written as Twenty-eight thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 2.8818 × 10⁴

Factors of 28818

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1606

Divisors of 28818

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 6 9 18 1601 3202 4803 9606 14409 28818
• Sum of all divisors σ(n): 62478
• Sum of proper divisors (its aliquot sum) s(n): 33660
• 28818 is an abundant number, because the sum of its proper divisors (33660) is greater than itself. Its abundance is 4842

Bases of 28818

• Binary: 111000010010010₂
• Hexadecimal: 0x7092
• Base-36: M8I

Squares and roots of 28818

• 28818 squared (28818²) is 830477124
• 28818 cubed (28818³) is 23932689759432
• The square root of 28818 is 169.7586522095
• The cube root of 28818 is 30.6587618779

Scales and comparisons

• 28,818 seconds is equal to 8 hours, 18 seconds.
• To count from 1 to 28,818 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 28818 cubic inches would be around 2.6 feet tall.

Recreational maths with 28818

• 28818 backwards is 81882
• The number of decimal digits it has is: 5
• The sum of 28818's digits is 27
• More coming soon!