68491

Names of 68491

• Cardinal: 68491 can be written as Sixty-eight thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 6.8491 × 10⁴

Factors of 68491

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 68491

Divisors of 68491

• Number of divisors d(n): 2
• Complete list of divisors:
  1 68491
• Sum of all divisors σ(n): 68492
• Sum of proper divisors (its aliquot sum) s(n): 1
• 68491 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 68490

Bases of 68491

• Binary: 10000101110001011₂
• Hexadecimal: 0x10B8B
• Base-36: 1GUJ

Squares and roots of 68491

• 68491 squared (68491²) is 4691017081
• 68491 cubed (68491³) is 321292450894771
• The square root of 68491 is 261.7078523851
• The cube root of 68491 is 40.9145553493

Scales and comparisons

• 68,491 seconds is equal to 19 hours, 1 minute, 31 seconds.
• To count from 1 to 68,491 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 68491 cubic inches would be around 3.4 feet tall.

Recreational maths with 68491

• 68491 backwards is 19486
• The number of decimal digits it has is: 5
• The sum of 68491's digits is 28
• More coming soon!