42505

Names of 42505

• Cardinal: 42505 can be written as Forty-two thousand, five hundred five.

Scientific notation

• Scientific notation: 4.2505 × 10⁴

Factors of 42505

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 8506

Divisors of 42505

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 8501 42505
• Sum of all divisors σ(n): 51012
• Sum of proper divisors (its aliquot sum) s(n): 8507
• 42505 is a deficient number, because the sum of its proper divisors (8507) is less than itself. Its deficiency is 33998

Bases of 42505

• Binary: 1010011000001001₂
• Hexadecimal: 0xA609
• Base-36: WSP

Squares and roots of 42505

• 42505 squared (42505²) is 1806675025
• 42505 cubed (42505³) is 76792721937625
• The square root of 42505 is 206.1674077055
• The cube root of 42505 is 34.8990287165

Scales and comparisons

• 42,505 seconds is equal to 11 hours, 48 minutes, 25 seconds.
• To count from 1 to 42,505 would take you about eleven 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 42505 cubic inches would be around 2.9 feet tall.

Recreational maths with 42505

• 42505 backwards is 50524
• The number of decimal digits it has is: 5
• The sum of 42505's digits is 16
• More coming soon!