42455

Names of 42455

• Cardinal: 42455 can be written as Forty-two thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 4.2455 × 10⁴

Factors of 42455

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1225

Divisors of 42455

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 7 35 1213 6065 8491 42455
• Sum of all divisors σ(n): 58272
• Sum of proper divisors (its aliquot sum) s(n): 15817
• 42455 is a deficient number, because the sum of its proper divisors (15817) is less than itself. Its deficiency is 26638

Bases of 42455

• Binary: 1010010111010111₂
• Hexadecimal: 0xA5D7
• Base-36: WRB

Squares and roots of 42455

• 42455 squared (42455²) is 1802427025
• 42455 cubed (42455³) is 76522039346375
• The square root of 42455 is 206.0461113441
• The cube root of 42455 is 34.8853390637

Scales and comparisons

• 42,455 seconds is equal to 11 hours, 47 minutes, 35 seconds.
• To count from 1 to 42,455 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 42455 cubic inches would be around 2.9 feet tall.

Recreational maths with 42455

• 42455 backwards is 55424
• The number of decimal digits it has is: 5
• The sum of 42455's digits is 20
• More coming soon!