1447942139

Names of 1447942139

• Cardinal: 1447942139 can be written as One billion, four hundred forty-seven million, nine hundred forty-two thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 1.447942139 × 10⁹

Factors of 1447942139

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 420

Divisors of 1447942139

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 17 19 43 53 119 133 281 301 323 371 731 817 901 1007 1967 2261 2279 4777 5117 5339 5719 6307 7049 12083 13889 14893 15953 17119 33439 37373 38743 43301 84581 90763 97223 104251 119833 205411 229577 253181 271201 282967 303107 635341 640399 736117 1437877 1607039 1772267 1980769 3902809 4482793 4810439 5152819 10886783 12167581 27319663 33673073 76207481 85173067 206848877 1447942139
• Sum of all divisors σ(n): 1929692160
• Sum of proper divisors (its aliquot sum) s(n): 481750021
• 1447942139 is a deficient number, because the sum of its proper divisors (481750021) is less than itself. Its deficiency is 966192118

Bases of 1447942139

• Binary: 1010110010011011101011111111011₂
• Hexadecimal: 0x564DD7FB
• Base-36: NY2FAZ

Squares and roots of 1447942139

• 1447942139 squared (1447942139²) is 2096536437891895321
• 1447942139 cubed (1447942139³) is 3035663454372631561852831619
• The square root of 1447942139 is 38051.8348966249
• The cube root of 1447942139 is 1131.3154959221

Scales and comparisons

• 1,447,942,139 seconds is equal to 46 years, 2 weeks, 14 hours, 8 minutes, 59 seconds.
• To count from 1 to 1,447,942,139 would take you about ninety-two 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 1447942139 cubic inches would be around 94.3 feet tall.

Recreational maths with 1447942139

• 1447942139 backwards is 9312497441
• The number of decimal digits it has is: 10
• The sum of 1447942139's digits is 44
• More coming soon!