428169979

Names of 428169979

• Cardinal: 428169979 can be written as Four hundred twenty-eight million, one hundred sixty-nine thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 4.28169979 × 10⁸

Factors of 428169979

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 483604

Divisors of 428169979

• Number of divisors d(n): 4
• Complete list of divisors:
  1 887 482717 428169979
• Sum of all divisors σ(n): 428653584
• Sum of proper divisors (its aliquot sum) s(n): 483605
• 428169979 is a deficient number, because the sum of its proper divisors (483605) is less than itself. Its deficiency is 427686374

Bases of 428169979

• Binary: 11001100001010101101011111011₂
• Hexadecimal: 0x19855AFB
• Base-36: 72X62J

Squares and roots of 428169979

• 428169979 squared (428169979²) is 183329530916860441
• 428169979 cubed (428169979³) is 78496201402751985768900739
• The square root of 428169979 is 20692.2685803179
• The cube root of 428169979 is 753.7119561263

Scales and comparisons

• 428,169,979 seconds is equal to 13 years, 31 weeks, 6 days, 16 hours, 6 minutes, 19 seconds.
• To count from 1 to 428,169,979 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 428169979 cubic inches would be around 62.8 feet tall.

Recreational maths with 428169979

• 428169979 backwards is 979961824
• The number of decimal digits it has is: 9
• The sum of 428169979's digits is 55
• More coming soon!