28501

Names of 28501

• Cardinal: 28501 can be written as Twenty-eight thousand, five hundred one.

Scientific notation

• Scientific notation: 2.8501 × 10⁴

Factors of 28501

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2602

Divisors of 28501

• Number of divisors d(n): 4
• Complete list of divisors:
  1 11 2591 28501
• Sum of all divisors σ(n): 31104
• Sum of proper divisors (its aliquot sum) s(n): 2603
• 28501 is a deficient number, because the sum of its proper divisors (2603) is less than itself. Its deficiency is 25898

Bases of 28501

• Binary: 110111101010101₂
• Hexadecimal: 0x6F55
• Base-36: LZP

Squares and roots of 28501

• 28501 squared (28501²) is 812307001
• 28501 cubed (28501³) is 23151561835501
• The square root of 28501 is 168.8223918797
• The cube root of 28501 is 30.5459309755

Scales and comparisons

• 28,501 seconds is equal to 7 hours, 55 minutes, 1 second.
• To count from 1 to 28,501 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 28501 cubic inches would be around 2.5 feet tall.

Recreational maths with 28501

• 28501 backwards is 10582
• The number of decimal digits it has is: 5
• The sum of 28501's digits is 16
• More coming soon!