56728

Names of 56728

• Cardinal: 56728 can be written as Fifty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 5.6728 × 10⁴

Factors of 56728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1022

Divisors of 56728

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 7 8 14 28 56 1013 2026 4052 7091 8104 14182 28364 56728
• Sum of all divisors σ(n): 121680
• Sum of proper divisors (its aliquot sum) s(n): 64952
• 56728 is an abundant number, because the sum of its proper divisors (64952) is greater than itself. Its abundance is 8224

Bases of 56728

• Binary: 1101110110011000₂
• Hexadecimal: 0xDD98
• Base-36: 17RS

Squares and roots of 56728

• 56728 squared (56728²) is 3218065984
• 56728 cubed (56728³) is 182554447140352
• The square root of 56728 is 238.1764052127
• The cube root of 56728 is 38.4236977567

Scales and comparisons

• 56,728 seconds is equal to 15 hours, 45 minutes, 28 seconds.
• To count from 1 to 56,728 would take you about fifteen 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 56728 cubic inches would be around 3.2 feet tall.

Recreational maths with 56728

• 56728 backwards is 82765
• 56728 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 56728's digits is 28
• More coming soon!