68021

Names of 68021

• Cardinal: 68021 can be written as Sixty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 6.8021 × 10⁴

Factors of 68021

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 522

Divisors of 68021

• Number of divisors d(n): 4
• Complete list of divisors:
  1 251 271 68021
• Sum of all divisors σ(n): 68544
• Sum of proper divisors (its aliquot sum) s(n): 523
• 68021 is a deficient number, because the sum of its proper divisors (523) is less than itself. Its deficiency is 67498

Bases of 68021

• Binary: 10000100110110101₂
• Hexadecimal: 0x109B5
• Base-36: 1GHH

Squares and roots of 68021

• 68021 squared (68021²) is 4626856441
• 68021 cubed (68021³) is 314723401973261
• The square root of 68021 is 260.8083587617
• The cube root of 68021 is 40.8207522905

Scales and comparisons

• 68,021 seconds is equal to 18 hours, 53 minutes, 41 seconds.
• To count from 1 to 68,021 would take you about eighteen 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 68021 cubic inches would be around 3.4 feet tall.

Recreational maths with 68021

• 68021 backwards is 12086
• The number of decimal digits it has is: 5
• The sum of 68021's digits is 17
• More coming soon!