688423

Names of 688423

• Cardinal: 688423 can be written as Six hundred eighty-eight thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 6.88423 × 10⁵

Factors of 688423

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 688423

Divisors of 688423

• Number of divisors d(n): 2
• Complete list of divisors:
  1 688423
• Sum of all divisors σ(n): 688424
• Sum of proper divisors (its aliquot sum) s(n): 1
• 688423 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 688422

Bases of 688423

• Binary: 10101000000100100111₂
• Hexadecimal: 0xA8127
• Base-36: ER6V

Squares and roots of 688423

• 688423 squared (688423²) is 473926226929
• 688423 cubed (688423³) is 326261714921142967
• The square root of 688423 is 829.7126008445
• The cube root of 688423 is 88.2981878301

Scales and comparisons

• 688,423 seconds is equal to 1 week, 23 hours, 13 minutes, 43 seconds.
• To count from 1 to 688,423 would take you about twenty-three 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 688423 cubic inches would be around 7.4 feet tall.

Recreational maths with 688423

• 688423 backwards is 324886
• The number of decimal digits it has is: 6
• The sum of 688423's digits is 31
• More coming soon!