25421

Names of 25421

• Cardinal: 25421 can be written as Twenty-five thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.5421 × 10⁴

Factors of 25421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2322

Divisors of 25421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 11 2311 25421
• Sum of all divisors σ(n): 27744
• Sum of proper divisors (its aliquot sum) s(n): 2323
• 25421 is a deficient number, because the sum of its proper divisors (2323) is less than itself. Its deficiency is 23098

Bases of 25421

• Binary: 110001101001101₂
• Hexadecimal: 0x634D
• Base-36: JM5

Squares and roots of 25421

• 25421 squared (25421²) is 646227241
• 25421 cubed (25421³) is 16427742693461
• The square root of 25421 is 159.4396437527
• The cube root of 25421 is 29.4033994249

Scales and comparisons

• 25,421 seconds is equal to 7 hours, 3 minutes, 41 seconds.
• To count from 1 to 25,421 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 25421 cubic inches would be around 2.5 feet tall.

Recreational maths with 25421

• 25421 backwards is 12452
• The number of decimal digits it has is: 5
• The sum of 25421's digits is 14
• More coming soon!