855221

Names of 855221

• Cardinal: 855221 can be written as Eight hundred fifty-five thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 8.55221 × 10⁵

Factors of 855221

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 855221

Divisors of 855221

• Number of divisors d(n): 2
• Complete list of divisors:
  1 855221
• Sum of all divisors σ(n): 855222
• Sum of proper divisors (its aliquot sum) s(n): 1
• 855221 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 855220

Bases of 855221

• Binary: 11010000110010110101₂
• Hexadecimal: 0xD0CB5
• Base-36: IBW5

Squares and roots of 855221

• 855221 squared (855221²) is 731402958841
• 855221 cubed (855221³) is 625511169862958861
• The square root of 855221 is 924.7815958377
• The cube root of 855221 is 94.9203764961

Scales and comparisons

• 855,221 seconds is equal to 1 week, 2 days, 21 hours, 33 minutes, 41 seconds.
• To count from 1 to 855,221 would take you about two days!

  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 855221 cubic inches would be around 7.9 feet tall.

Recreational maths with 855221

• 855221 backwards is 122558
• The number of decimal digits it has is: 6
• The sum of 855221's digits is 23
• More coming soon!