1439138779

Names of 1439138779

• Cardinal: 1439138779 can be written as One billion, four hundred thirty-nine million, one hundred thirty-eight thousand, seven hundred seventy-nine.

Scientific notation

• Scientific notation: 1.439138779 × 10⁹

Factors of 1439138779

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1814877

Divisors of 1439138779

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 61 793 1814803 23592439 110702983 1439138779
• Sum of all divisors σ(n): 1575249872
• Sum of proper divisors (its aliquot sum) s(n): 136111093
• 1439138779 is a deficient number, because the sum of its proper divisors (136111093) is less than itself. Its deficiency is 1303027686

Bases of 1439138779

• Binary: 1010101110001111000001111011011₂
• Hexadecimal: 0x55C783DB
• Base-36: NSTQL7

Squares and roots of 1439138779

• 1439138779 squared (1439138779²) is 2071120425221610841
• 1439138779 cubed (1439138779³) is 2980629719915389830129903139
• The square root of 1439138779 is 37935.9826418139
• The cube root of 1439138779 is 1129.0180675433

Scales and comparisons

• 1,439,138,779 seconds is equal to 45 years, 39 weeks, 3 days, 16 hours, 46 minutes, 19 seconds.
• To count from 1 to 1,439,138,779 would take you about ninety-one 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 1439138779 cubic inches would be around 94.1 feet tall.

Recreational maths with 1439138779

• 1439138779 backwards is 9778319341
• The number of decimal digits it has is: 10
• The sum of 1439138779's digits is 52
• More coming soon!