5438393999

Names of 5438393999

• Cardinal: 5438393999 can be written as Five billion, four hundred thirty-eight million, three hundred ninety-three thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 5.438393999 × 10⁹

Factors of 5438393999

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 36177

Divisors of 5438393999

• Number of divisors d(n): 8
• Complete list of divisors:
  1 23 8573 27581 197179 634363 236451913 5438393999
• Sum of all divisors σ(n): 5675713632
• Sum of proper divisors (its aliquot sum) s(n): 237319633
• 5438393999 is a deficient number, because the sum of its proper divisors (237319633) is less than itself. Its deficiency is 5201074366

Bases of 5438393999

• Binary: 101000100001001110100111010001111₂
• Hexadecimal: 0x144274E8F
• Base-36: 2HXVNNZ

Squares and roots of 5438393999

• 5438393999 squared (5438393999²) is 29576129288359212001
• 5438393999 cubed (5438393999³) is 160846644035460879102607181999
• The square root of 5438393999 is 73745.4676505615
• The cube root of 5438393999 is 1758.5587804355

Scales and comparisons

• 5,438,393,999 seconds is equal to 172 years, 48 weeks, 8 hours, 59 minutes, 59 seconds.
• To count from 1 to 5,438,393,999 would take you about three hundred forty-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 5438393999 cubic inches would be around 146.5 feet tall.

Recreational maths with 5438393999

• 5438393999 backwards is 9993938345
• The number of decimal digits it has is: 10
• The sum of 5438393999's digits is 62
• More coming soon!