642223

Names of 642223

• Cardinal: 642223 can be written as Six hundred forty-two thousand, two hundred twenty-three.

Scientific notation

• Scientific notation: 6.42223 × 10⁵

Factors of 642223

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 642223

Divisors of 642223

• Number of divisors d(n): 2
• Complete list of divisors:
  1 642223
• Sum of all divisors σ(n): 642224
• Sum of proper divisors (its aliquot sum) s(n): 1
• 642223 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 642222

Bases of 642223

• Binary: 10011100110010101111₂
• Hexadecimal: 0x9CCAF
• Base-36: DRJJ

Squares and roots of 642223

• 642223 squared (642223²) is 412450381729
• 642223 cubed (642223³) is 264885121505143567
• The square root of 642223 is 801.3881706139
• The cube root of 642223 is 86.2770495569

Scales and comparisons

• 642,223 seconds is equal to 1 week, 10 hours, 23 minutes, 43 seconds.
• To count from 1 to 642,223 would take you about ten 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 642223 cubic inches would be around 7.2 feet tall.

Recreational maths with 642223

• 642223 backwards is 322246
• The number of decimal digits it has is: 6
• The sum of 642223's digits is 19
• More coming soon!