728230

Names of 728230

• Cardinal: 728230 can be written as Seven hundred twenty-eight thousand, two hundred thirty.

Scientific notation

• Scientific notation: 7.2823 × 10⁵

Factors of 728230

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 72830

Divisors of 728230

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 72823 145646 364115 728230
• Sum of all divisors σ(n): 1310832
• Sum of proper divisors (its aliquot sum) s(n): 582602
• 728230 is a deficient number, because the sum of its proper divisors (582602) is less than itself. Its deficiency is 145628

Bases of 728230

• Binary: 10110001110010100110₂
• Hexadecimal: 0xB1CA6
• Base-36: FLWM

Squares and roots of 728230

• 728230 squared (728230²) is 530318932900
• 728230 cubed (728230³) is 386194156505767000
• The square root of 728230 is 853.3639317431
• The cube root of 728230 is 89.9683015939

Scales and comparisons

• 728,230 seconds is equal to 1 week, 1 day, 10 hours, 17 minutes, 10 seconds.
• To count from 1 to 728,230 would take you about ten hours!

  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 728230 cubic inches would be around 7.5 feet tall.

Recreational maths with 728230

• 728230 backwards is 032827
• The number of decimal digits it has is: 6
• The sum of 728230's digits is 22
• More coming soon!