8138262529

Names of 8138262529

• Cardinal: 8138262529 can be written as Eight billion, one hundred thirty-eight million, two hundred sixty-two thousand, five hundred twenty-nine.

Scientific notation

• Scientific notation: 8.138262529 × 10⁹

Factors of 8138262529

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 466990

Divisors of 8138262529

• Number of divisors d(n): 4
• Complete list of divisors:
  1 18131 448859 8138262529
• Sum of all divisors σ(n): 8138729520
• Sum of proper divisors (its aliquot sum) s(n): 466991
• 8138262529 is a deficient number, because the sum of its proper divisors (466991) is less than itself. Its deficiency is 8137795538

Bases of 8138262529

• Binary: 111100101000101000000100000000001₂
• Hexadecimal: 0x1E5140801
• Base-36: 3QLB7K1

Squares and roots of 8138262529

• 8138262529 squared (8138262529²) is 66231316990925475841
• 8138262529 cubed (8138262529³) is 539007845313569833068305061889
• The square root of 8138262529 is 90212.3191642915
• The cube root of 8138262529 is 2011.4561306571

Scales and comparisons

• 8,138,262,529 seconds is equal to 258 years, 40 weeks, 20 hours, 28 minutes, 49 seconds.
• To count from 1 to 8,138,262,529 would take you about five hundred seventeen 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 8138262529 cubic inches would be around 167.6 feet tall.

Recreational maths with 8138262529

• 8138262529 backwards is 9252628318
• The number of decimal digits it has is: 10
• The sum of 8138262529's digits is 46
• More coming soon!