428588845

Names of 428588845

• Cardinal: 428588845 can be written as Four hundred twenty-eight million, five hundred eighty-eight thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 4.28588845 × 10⁸

Factors of 428588845

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 963215

Divisors of 428588845

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 89 445 963121 4815605 85717769 428588845
• Sum of all divisors σ(n): 520085880
• Sum of proper divisors (its aliquot sum) s(n): 91497035
• 428588845 is a deficient number, because the sum of its proper divisors (91497035) is less than itself. Its deficiency is 337091810

Bases of 428588845

• Binary: 11001100010111011111100101101₂
• Hexadecimal: 0x198BBF2D
• Base-36: 73659P

Squares and roots of 428588845

• 428588845 squared (428588845²) is 183688398058434025
• 428588845 cubed (428588845³) is 78726798363764481283451125
• The square root of 428588845 is 20702.3874227103
• The cube root of 428588845 is 753.9576540467

Scales and comparisons

• 428,588,845 seconds is equal to 13 years, 32 weeks, 4 days, 12 hours, 27 minutes, 25 seconds.
• To count from 1 to 428,588,845 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 428588845 cubic inches would be around 62.8 feet tall.

Recreational maths with 428588845

• 428588845 backwards is 548885824
• The number of decimal digits it has is: 9
• The sum of 428588845's digits is 52
• More coming soon!