9855421

Names of 9855421

• Cardinal: 9855421 can be written as Nine million, eight hundred fifty-five thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 9.855421 × 10⁶

Factors of 9855421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 22690

Divisors of 9855421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 443 22247 9855421
• Sum of all divisors σ(n): 9878112
• Sum of proper divisors (its aliquot sum) s(n): 22691
• 9855421 is a deficient number, because the sum of its proper divisors (22691) is less than itself. Its deficiency is 9832730

Bases of 9855421

• Binary: 100101100110000110111101₂
• Hexadecimal: 0x9661BD
• Base-36: 5V8HP

Squares and roots of 9855421

• 9855421 squared (9855421²) is 97129323087241
• 9855421 cubed (9855421³) is 957250370469779783461
• The square root of 9855421 is 3139.3344836127
• The cube root of 9855421 is 214.4001378949

Scales and comparisons

• 9,855,421 seconds is equal to 16 weeks, 2 days, 1 hour, 37 minutes, 1 second.
• To count from 1 to 9,855,421 would take you about twenty-four weeks!

  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 9855421 cubic inches would be around 17.9 feet tall.

Recreational maths with 9855421

• 9855421 backwards is 1245589
• The number of decimal digits it has is: 7
• The sum of 9855421's digits is 34
• More coming soon!