4390198138

Names of 4390198138

• Cardinal: 4390198138 can be written as Four billion, three hundred ninety million, one hundred ninety-eight thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 4.390198138 × 10⁹

Factors of 4390198138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 177092

Divisors of 4390198138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 13411 26822 163679 327358 2195099069 4390198138
• Sum of all divisors σ(n): 6585828480
• Sum of proper divisors (its aliquot sum) s(n): 2195630342
• 4390198138 is a deficient number, because the sum of its proper divisors (2195630342) is less than itself. Its deficiency is 2194567796

Bases of 4390198138

• Binary: 100000101101011010001101101111010₂
• Hexadecimal: 0x105AD1B7A
• Base-36: 20LT6KA

Squares and roots of 4390198138

• 4390198138 squared (4390198138²) is 19273839690898667044
• 4390198138 cubed (4390198138³) is 84615975123093823603250764072
• The square root of 4390198138 is 66258.5702984905
• The cube root of 4390198138 is 1637.4248374335

Scales and comparisons

• 4,390,198,138 seconds is equal to 139 years, 30 weeks, 6 days, 11 hours, 28 minutes, 58 seconds.
• To count from 1 to 4,390,198,138 would take you about two hundred seventy-nine 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 4390198138 cubic inches would be around 136.5 feet tall.

Recreational maths with 4390198138

• 4390198138 backwards is 8318910934
• The number of decimal digits it has is: 10
• The sum of 4390198138's digits is 46
• More coming soon!