66801

Names of 66801

• Cardinal: 66801 can be written as Sixty-six thousand, eight hundred one.

Scientific notation

• Scientific notation: 6.6801 × 10⁴

Factors of 66801

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3191

Divisors of 66801

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 3181 9543 22267 66801
• Sum of all divisors σ(n): 101824
• Sum of proper divisors (its aliquot sum) s(n): 35023
• 66801 is a deficient number, because the sum of its proper divisors (35023) is less than itself. Its deficiency is 31778

Bases of 66801

• Binary: 10000010011110001₂
• Hexadecimal: 0x104F1
• Base-36: 1FJL

Squares and roots of 66801

• 66801 squared (66801²) is 4462373601
• 66801 cubed (66801³) is 298091018920401
• The square root of 66801 is 258.4588942173
• The cube root of 66801 is 40.5752297805

Scales and comparisons

• 66,801 seconds is equal to 18 hours, 33 minutes, 21 seconds.
• To count from 1 to 66,801 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 66801 cubic inches would be around 3.4 feet tall.

Recreational maths with 66801

• 66801 backwards is 10866
• 66801 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 66801's digits is 21
• More coming soon!