428815

Names of 428815

• Cardinal: 428815 can be written as Four hundred twenty-eight thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 4.28815 × 10⁵

Factors of 428815

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 761

Divisors of 428815

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 139 617 695 3085 85763 428815
• Sum of all divisors σ(n): 519120
• Sum of proper divisors (its aliquot sum) s(n): 90305
• 428815 is a deficient number, because the sum of its proper divisors (90305) is less than itself. Its deficiency is 338510

Bases of 428815

• Binary: 1101000101100001111₂
• Hexadecimal: 0x68B0F
• Base-36: 96VJ

Squares and roots of 428815

• 428815 squared (428815²) is 183882304225
• 428815 cubed (428815³) is 78851490286243375
• The square root of 428815 is 654.8396750349
• The cube root of 428815 is 75.4090245233

Scales and comparisons

• 428,815 seconds is equal to 4 days, 23 hours, 6 minutes, 55 seconds.
• To count from 1 to 428,815 would take you about four days.

  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 428815 cubic inches would be around 6.3 feet tall.

Recreational maths with 428815

• 428815 backwards is 518824
• The number of decimal digits it has is: 6
• The sum of 428815's digits is 28
• More coming soon!