9998391

Names of 9998391

• Cardinal: 9998391 can be written as Nine million, nine hundred ninety-eight thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 9.998391 × 10⁶

Factors of 9998391

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 256385

Divisors of 9998391

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 13 39 256369 769107 3332797 9998391
• Sum of all divisors σ(n): 14356720
• Sum of proper divisors (its aliquot sum) s(n): 4358329
• 9998391 is a deficient number, because the sum of its proper divisors (4358329) is less than itself. Its deficiency is 5640062

Bases of 9998391

• Binary: 100110001001000000110111₂
• Hexadecimal: 0x989037
• Base-36: 5YAT3

Squares and roots of 9998391

• 9998391 squared (9998391²) is 99967822588881
• 9998391 cubed (9998391³) is 999517377662264490471
• The square root of 9998391 is 3162.0232446963
• The cube root of 9998391 is 215.4319134321

Scales and comparisons

• 9,998,391 seconds is equal to 16 weeks, 3 days, 17 hours, 19 minutes, 51 seconds.
• To count from 1 to 9,998,391 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 9998391 cubic inches would be around 18 feet tall.

Recreational maths with 9998391

• 9998391 backwards is 1938999
• The number of decimal digits it has is: 7
• The sum of 9998391's digits is 48
• More coming soon!