8421409426

Names of 8421409426

• Cardinal: 8421409426 can be written as Eight billion, four hundred twenty-one million, four hundred nine thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 8.421409426 × 10⁹

Factors of 8421409426

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 62846408

Divisors of 8421409426

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 67 134 62846339 125692678 4210704713 8421409426
• Sum of all divisors σ(n): 12820653360
• Sum of proper divisors (its aliquot sum) s(n): 4399243934
• 8421409426 is a deficient number, because the sum of its proper divisors (4399243934) is less than itself. Its deficiency is 4022165492

Bases of 8421409426

• Binary: 111110101111101001000001010010010₂
• Hexadecimal: 0x1F5F48292
• Base-36: 3V9W13M

Squares and roots of 8421409426

• 8421409426 squared (8421409426²) is 70920136720321649476
• 8421409426 cubed (8421409426³) is 597247507869725464649054360776
• The square root of 8421409426 is 91768.2375661645
• The cube root of 8421409426 is 2034.5182693011

Scales and comparisons

• 8,421,409,426 seconds is equal to 267 years, 40 weeks, 2 days, 23 minutes, 46 seconds.
• To count from 1 to 8,421,409,426 would take you about five hundred thirty-five 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 8421409426 cubic inches would be around 169.5 feet tall.

Recreational maths with 8421409426

• 8421409426 backwards is 6249041248
• The number of decimal digits it has is: 10
• The sum of 8421409426's digits is 40
• More coming soon!