428749999

Names of 428749999

• Cardinal: 428749999 can be written as Four hundred twenty-eight million, seven hundred forty-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 4.28749999 × 10⁸

Factors of 428749999

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 428749999

Divisors of 428749999

• Number of divisors d(n): 2
• Complete list of divisors:
  1 428749999
• Sum of all divisors σ(n): 428750000
• Sum of proper divisors (its aliquot sum) s(n): 1
• 428749999 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 428749998

Bases of 428749999

• Binary: 11001100011100011010010101111₂
• Hexadecimal: 0x198E34AF
• Base-36: 739LM7

Squares and roots of 428749999

• 428749999 squared (428749999²) is 183826561642500001
• 428749999 cubed (428749999³) is 78815638120395313786249999
• The square root of 428749999 is 20706.2792167013
• The cube root of 428749999 is 754.0521409249

Scales and comparisons

• 428,749,999 seconds is equal to 13 years, 32 weeks, 6 days, 9 hours, 13 minutes, 19 seconds.
• To count from 1 to 428,749,999 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 428749999 cubic inches would be around 62.8 feet tall.

Recreational maths with 428749999

• 428749999 backwards is 999947824
• The number of decimal digits it has is: 9
• The sum of 428749999's digits is 61
• More coming soon!