55820

Names of 55820

• Cardinal: 55820 can be written as Fifty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 5.582 × 10⁴

Factors of 55820

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2798

Divisors of 55820

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 5 10 20 2791 5582 11164 13955 27910 55820
• Sum of all divisors σ(n): 117264
• Sum of proper divisors (its aliquot sum) s(n): 61444
• 55820 is an abundant number, because the sum of its proper divisors (61444) is greater than itself. Its abundance is 5624

Bases of 55820

• Binary: 1101101000001100₂
• Hexadecimal: 0xDA0C
• Base-36: 172K

Squares and roots of 55820

• 55820 squared (55820²) is 3115872400
• 55820 cubed (55820³) is 173927997368000
• The square root of 55820 is 236.2625658033
• The cube root of 55820 is 38.2175882751

Scales and comparisons

• 55,820 seconds is equal to 15 hours, 30 minutes, 20 seconds.
• To count from 1 to 55,820 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 55820 cubic inches would be around 3.2 feet tall.

Recreational maths with 55820

• 55820 backwards is 02855
• 55820 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 55820's digits is 20
• More coming soon!