1728345

Names of 1728345

• Cardinal: 1728345 can be written as One million, seven hundred twenty-eight thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 1.728345 × 10⁶

Factors of 1728345

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 115231

Divisors of 1728345

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 115223 345669 576115 1728345
• Sum of all divisors σ(n): 2765376
• Sum of proper divisors (its aliquot sum) s(n): 1037031
• 1728345 is a deficient number, because the sum of its proper divisors (1037031) is less than itself. Its deficiency is 691314

Bases of 1728345

• Binary: 110100101111101011001₂
• Hexadecimal: 0x1A5F59
• Base-36: 111LL

Squares and roots of 1728345

• 1728345 squared (1728345²) is 2987176439025
• 1728345 cubed (1728345³) is 5162871462506663625
• The square root of 1728345 is 1314.6653566593
• The cube root of 1728345 is 120.0079855797

Scales and comparisons

• 1,728,345 seconds is equal to 2 weeks, 6 days, 5 minutes, 45 seconds.
• To count from 1 to 1,728,345 would take you about 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 1728345 cubic inches would be around 10 feet tall.

Recreational maths with 1728345

• 1728345 backwards is 5438271
• The number of decimal digits it has is: 7
• The sum of 1728345's digits is 30
• More coming soon!