394421

Names of 394421

• Cardinal: 394421 can be written as Three hundred ninety-four thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.94421 × 10⁵

Factors of 394421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 20778

Divisors of 394421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 19 20759 394421
• Sum of all divisors σ(n): 415200
• Sum of proper divisors (its aliquot sum) s(n): 20779
• 394421 is a deficient number, because the sum of its proper divisors (20779) is less than itself. Its deficiency is 373642

Bases of 394421

• Binary: 1100000010010110101₂
• Hexadecimal: 0x604B5
• Base-36: 8GC5

Squares and roots of 394421

• 394421 squared (394421²) is 155567925241
• 394421 cubed (394421³) is 61359256641480461
• The square root of 394421 is 628.0294579079
• The cube root of 394421 is 73.3364713993

Scales and comparisons

• 394,421 seconds is equal to 4 days, 13 hours, 33 minutes, 41 seconds.
• To count from 1 to 394,421 would take you about four days.

  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 394421 cubic inches would be around 6.1 feet tall.

Recreational maths with 394421

• 394421 backwards is 124493
• The number of decimal digits it has is: 6
• The sum of 394421's digits is 23
• More coming soon!