428723103

Names of 428723103

• Cardinal: 428723103 can be written as Four hundred twenty-eight million, seven hundred twenty-three thousand, one hundred three.

Scientific notation

• Scientific notation: 4.28723103 × 10⁸

Factors of 428723103

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 38393

Divisors of 428723103

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 4177 12531 34213 102639 142907701 428723103
• Sum of all divisors σ(n): 571784368
• Sum of proper divisors (its aliquot sum) s(n): 143061265
• 428723103 is a deficient number, because the sum of its proper divisors (143061265) is less than itself. Its deficiency is 285661838

Bases of 428723103

• Binary: 11001100011011100101110011111₂
• Hexadecimal: 0x198DCB9F
• Base-36: 7390V3

Squares and roots of 428723103

• 428723103 squared (428723103²) is 183803499045948609
• 428723103 cubed (428723103³) is 78800806453236627229013727
• The square root of 428723103 is 20705.6297416913
• The cube root of 428723103 is 754.0363730645

Scales and comparisons

• 428,723,103 seconds is equal to 13 years, 32 weeks, 6 days, 1 hour, 45 minutes, 3 seconds.
• To count from 1 to 428,723,103 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 428723103 cubic inches would be around 62.8 feet tall.

Recreational maths with 428723103

• 428723103 backwards is 301327824
• The number of decimal digits it has is: 9
• The sum of 428723103's digits is 30
• More coming soon!