66445

Names of 66445

• Cardinal: 66445 can be written as Sixty-six thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 6.6445 × 10⁴

Factors of 66445

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 239

Divisors of 66445

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 97 137 485 685 13289 66445
• Sum of all divisors σ(n): 81144
• Sum of proper divisors (its aliquot sum) s(n): 14699
• 66445 is a deficient number, because the sum of its proper divisors (14699) is less than itself. Its deficiency is 51746

Bases of 66445

• Binary: 10000001110001101₂
• Hexadecimal: 0x1038D
• Base-36: 1F9P

Squares and roots of 66445

• 66445 squared (66445²) is 4414938025
• 66445 cubed (66445³) is 293350557071125
• The square root of 66445 is 257.7692766797
• The cube root of 66445 is 40.5030226875

Scales and comparisons

• 66,445 seconds is equal to 18 hours, 27 minutes, 25 seconds.
• To count from 1 to 66,445 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 66445 cubic inches would be around 3.4 feet tall.

Recreational maths with 66445

• 66445 backwards is 54466
• The number of decimal digits it has is: 5
• The sum of 66445's digits is 25
• More coming soon!