428346121

Names of 428346121

• Cardinal: 428346121 can be written as Four hundred twenty-eight million, three hundred forty-six thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 4.28346121 × 10⁸

Factors of 428346121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 61192310

Divisors of 428346121

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 61192303 428346121
• Sum of all divisors σ(n): 489538432
• Sum of proper divisors (its aliquot sum) s(n): 61192311
• 428346121 is a deficient number, because the sum of its proper divisors (61192311) is less than itself. Its deficiency is 367153810

Bases of 428346121

• Binary: 11001100010000000101100001001₂
• Hexadecimal: 0x19880B09
• Base-36: 730XZD

Squares and roots of 428346121

• 428346121 squared (428346121²) is 183480399375746641
• 428346121 cubed (428346121³) is 78593117352131895151129561
• The square root of 428346121 is 20696.5243700481
• The cube root of 428346121 is 753.8152968061

Scales and comparisons

• 428,346,121 seconds is equal to 13 years, 32 weeks, 1 day, 17 hours, 2 minutes, 1 second.
• To count from 1 to 428,346,121 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 428346121 cubic inches would be around 62.8 feet tall.

Recreational maths with 428346121

• 428346121 backwards is 121643824
• The number of decimal digits it has is: 9
• The sum of 428346121's digits is 31
• More coming soon!