638423

Names of 638423

• Cardinal: 638423 can be written as Six hundred thirty-eight thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 6.38423 × 10⁵

Factors of 638423

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 638423

Divisors of 638423

• Number of divisors d(n): 2
• Complete list of divisors:
  1 638423
• Sum of all divisors σ(n): 638424
• Sum of proper divisors (its aliquot sum) s(n): 1
• 638423 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 638422

Bases of 638423

• Binary: 10011011110111010111₂
• Hexadecimal: 0x9BDD7
• Base-36: DOLZ

Squares and roots of 638423

• 638423 squared (638423²) is 407583926929
• 638423 cubed (638423³) is 260210953381792967
• The square root of 638423 is 799.0137670905
• The cube root of 638423 is 86.1065472279

Scales and comparisons

• 638,423 seconds is equal to 1 week, 9 hours, 20 minutes, 23 seconds.
• To count from 1 to 638,423 would take you about nine 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 638423 cubic inches would be around 7.2 feet tall.

Recreational maths with 638423

• 638423 backwards is 324836
• The number of decimal digits it has is: 6
• The sum of 638423's digits is 26
• More coming soon!