28528

Names of 28528

• Cardinal: 28528 can be written as Twenty-eight thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8528 × 10⁴

Factors of 28528

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1785

Divisors of 28528

• Number of divisors d(n): 10
• Complete list of divisors:
  1 2 4 8 16 1783 3566 7132 14264 28528
• Sum of all divisors σ(n): 55304
• Sum of proper divisors (its aliquot sum) s(n): 26776
• 28528 is a deficient number, because the sum of its proper divisors (26776) is less than itself. Its deficiency is 1752

Bases of 28528

• Binary: 110111101110000₂
• Hexadecimal: 0x6F70
• Base-36: M0G

Squares and roots of 28528

• 28528 squared (28528²) is 813846784
• 28528 cubed (28528³) is 23217421053952
• The square root of 28528 is 168.9023386455
• The cube root of 28528 is 30.5555736763

Scales and comparisons

• 28,528 seconds is equal to 7 hours, 55 minutes, 28 seconds.
• To count from 1 to 28,528 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 28528 cubic inches would be around 2.5 feet tall.

Recreational maths with 28528

• 28528 backwards is 82582
• The number of decimal digits it has is: 5
• The sum of 28528's digits is 25
• More coming soon!