428078523

Names of 428078523

• Cardinal: 428078523 can be written as Four hundred twenty-eight million, seventy-eight thousand, five hundred twenty-three.

Scientific notation

• Scientific notation: 4.28078523 × 10⁸

Factors of 428078523

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 142692844

Divisors of 428078523

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 142692841 428078523
• Sum of all divisors σ(n): 570771368
• Sum of proper divisors (its aliquot sum) s(n): 142692845
• 428078523 is a deficient number, because the sum of its proper divisors (142692845) is less than itself. Its deficiency is 285385678

Bases of 428078523

• Binary: 11001100000111111010110111011₂
• Hexadecimal: 0x1983F5BB
• Base-36: 72V7I3

Squares and roots of 428078523

• 428078523 squared (428078523²) is 183251221853861529
• 428078523 cubed (428078523³) is 78445912389146365180841667
• The square root of 428078523 is 20690.0585547745
• The cube root of 428078523 is 753.6582886637

Scales and comparisons

• 428,078,523 seconds is equal to 13 years, 31 weeks, 5 days, 14 hours, 42 minutes, 3 seconds.
• To count from 1 to 428,078,523 would take you about twenty years!

  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 428078523 cubic inches would be around 62.8 feet tall.

Recreational maths with 428078523

• 428078523 backwards is 325870824
• The number of decimal digits it has is: 9
• The sum of 428078523's digits is 39
• More coming soon!