19998426

Names of 19998426

• Cardinal: 19998426 can be written as Nineteen million, nine hundred ninety-eight thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 1.9998426 × 10⁷

Factors of 19998426

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 823

Divisors of 19998426

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 17 21 34 37 42 51 74 102 111 119 222 238 259 357 518 629 714 757 777 1258 1514 1554 1887 2271 3774 4403 4542 5299 8806 10598 12869 13209 15897 25738 26418 28009 31794 38607 56018 77214 84027 90083 168054 180166 196063 270249 392126 476153 540498 588189 952306 1176378 1428459 2856918 3333071 6666142 9999213 19998426
• Sum of all divisors σ(n): 49773312
• Sum of proper divisors (its aliquot sum) s(n): 29774886
• 19998426 is an abundant number, because the sum of its proper divisors (29774886) is greater than itself. Its abundance is 9776460

Bases of 19998426

• Binary: 1001100010010011011011010₂
• Hexadecimal: 0x13126DA
• Base-36: BWMVU

Squares and roots of 19998426

• 19998426 squared (19998426²) is 399937042477476
• 19998426 cubed (19998426³) is 7998111348644660452776
• The square root of 19998426 is 4471.9599729871
• The cube root of 19998426 is 271.4346406505

Scales and comparisons

• 19,998,426 seconds is equal to 33 weeks, 11 hours, 7 minutes, 6 seconds.
• To count from 1 to 19,998,426 would take you about forty-nine 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 19998426 cubic inches would be around 22.6 feet tall.

Recreational maths with 19998426

• 19998426 backwards is 62489991
• The number of decimal digits it has is: 8
• The sum of 19998426's digits is 48
• More coming soon!