68438

Names of 68438

• Cardinal: 68438 can be written as Sixty-eight thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 6.8438 × 10⁴

Factors of 68438

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1822

Divisors of 68438

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 19 38 1801 3602 34219 68438
• Sum of all divisors σ(n): 108120
• Sum of proper divisors (its aliquot sum) s(n): 39682
• 68438 is a deficient number, because the sum of its proper divisors (39682) is less than itself. Its deficiency is 28756

Bases of 68438

• Binary: 10000101101010110₂
• Hexadecimal: 0x10B56
• Base-36: 1GT2

Squares and roots of 68438

• 68438 squared (68438²) is 4683759844
• 68438 cubed (68438³) is 320547156203672
• The square root of 68438 is 261.6065748407
• The cube root of 68438 is 40.9039990669

Scales and comparisons

• 68,438 seconds is equal to 19 hours, 38 seconds.
• To count from 1 to 68,438 would take you about nineteen 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 68438 cubic inches would be around 3.4 feet tall.

Recreational maths with 68438

• 68438 backwards is 83486
• The number of decimal digits it has is: 5
• The sum of 68438's digits is 29
• More coming soon!