28443431

Names of 28443431

• Cardinal: 28443431 can be written as Twenty-eight million, four hundred forty-three thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 2.8443431 × 10⁷

Factors of 28443431

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 12193

Divisors of 28443431

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 139 2363 12037 204629 1673143 28443431
• Sum of all divisors σ(n): 30335760
• Sum of proper divisors (its aliquot sum) s(n): 1892329
• 28443431 is a deficient number, because the sum of its proper divisors (1892329) is less than itself. Its deficiency is 26551102

Bases of 28443431

• Binary: 1101100100000001100100111₂
• Hexadecimal: 0x1B20327
• Base-36: GXN3B

Squares and roots of 28443431

• 28443431 squared (28443431²) is 809028767051761
• 28443431 cubed (28443431³) is 23011553912651837431991
• The square root of 28443431 is 5333.2383220703
• The cube root of 28443431 is 305.2535059785

Scales and comparisons

• 28,443,431 seconds is equal to 47 weeks, 4 hours, 57 minutes, 11 seconds.
• To count from 1 to 28,443,431 would take you about eighteen 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 28443431 cubic inches would be around 25.4 feet tall.

Recreational maths with 28443431

• 28443431 backwards is 13434482
• The number of decimal digits it has is: 8
• The sum of 28443431's digits is 29
• More coming soon!