66838

Names of 66838

• Cardinal: 66838 can be written as Sixty-six thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 6.6838 × 10⁴

Factors of 66838

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1478

Divisors of 66838

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 23 46 1453 2906 33419 66838
• Sum of all divisors σ(n): 104688
• Sum of proper divisors (its aliquot sum) s(n): 37850
• 66838 is a deficient number, because the sum of its proper divisors (37850) is less than itself. Its deficiency is 28988

Bases of 66838

• Binary: 10000010100010110₂
• Hexadecimal: 0x10516
• Base-36: 1FKM

Squares and roots of 66838

• 66838 squared (66838²) is 4467318244
• 66838 cubed (66838³) is 298586616792472
• The square root of 66838 is 258.5304624219
• The cube root of 66838 is 40.5827197203

Scales and comparisons

• 66,838 seconds is equal to 18 hours, 33 minutes, 58 seconds.
• To count from 1 to 66,838 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 66838 cubic inches would be around 3.4 feet tall.

Recreational maths with 66838

• 66838 backwards is 83866
• The number of decimal digits it has is: 5
• The sum of 66838's digits is 31
• More coming soon!