7439429542

Names of 7439429542

• Cardinal: 7439429542 can be written as Seven billion, four hundred thirty-nine million, four hundred twenty-nine thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 7.439429542 × 10⁹

Factors of 7439429542

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 142574

Divisors of 7439429542

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 34381 68762 108191 216382 3719714771 7439429542
• Sum of all divisors σ(n): 11159572032
• Sum of proper divisors (its aliquot sum) s(n): 3720142490
• 7439429542 is a deficient number, because the sum of its proper divisors (3720142490) is less than itself. Its deficiency is 3719287052

Bases of 7439429542

• Binary: 110111011011011001010111110100110₂
• Hexadecimal: 0x1BB6CAFA6
• Base-36: 3F18SKM

Squares and roots of 7439429542

• 7439429542 squared (7439429542²) is 55345111910382329764
• 7439429542 cubed (7439429542³) is 411736060551394360561087488088
• The square root of 7439429542 is 86252.1277534647
• The cube root of 7439429542 is 1952.1501194329

Scales and comparisons

• 7,439,429,542 seconds is equal to 236 years, 28 weeks, 4 days, 12 hours, 12 minutes, 22 seconds.
• To count from 1 to 7,439,429,542 would take you about four hundred seventy-three 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 7439429542 cubic inches would be around 162.7 feet tall.

Recreational maths with 7439429542

• 7439429542 backwards is 2459249347
• The number of decimal digits it has is: 10
• The sum of 7439429542's digits is 49
• More coming soon!