64427143

Names of 64427143

• Cardinal: 64427143 can be written as Sixty-four million, four hundred twenty-seven thousand, one hundred forty-three.

Scientific notation

• Scientific notation: 6.4427143 × 10⁷

Factors of 64427143

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 17237

Divisors of 64427143

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 347 3817 16879 185669 5857013 64427143
• Sum of all divisors σ(n): 70490880
• Sum of proper divisors (its aliquot sum) s(n): 6063737
• 64427143 is a deficient number, because the sum of its proper divisors (6063737) is less than itself. Its deficiency is 58363406

Bases of 64427143

• Binary: 11110101110001010010000111₂
• Hexadecimal: 0x3D71487
• Base-36: 12CWAV

Squares and roots of 64427143

• 64427143 squared (64427143²) is 4150856755142449
• 64427143 cubed (64427143³) is 267427841736078547093207
• The square root of 64427143 is 8026.6520417917
• The cube root of 64427143 is 400.8879088365

Scales and comparisons

• 64,427,143 seconds is equal to 2 years, 2 weeks, 3 days, 16 hours, 25 minutes, 43 seconds.
• To count from 1 to 64,427,143 would take you about three 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 64427143 cubic inches would be around 33.4 feet tall.

Recreational maths with 64427143

• 64427143 backwards is 34172446
• The number of decimal digits it has is: 8
• The sum of 64427143's digits is 31
• More coming soon!