7131245842

Names of 7131245842

• Cardinal: 7131245842 can be written as Seven billion, one hundred thirty-one million, two hundred forty-five thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 7.131245842 × 10⁹

Factors of 7131245842

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 509374712

Divisors of 7131245842

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 509374703 1018749406 3565622921 7131245842
• Sum of all divisors σ(n): 12224992896
• Sum of proper divisors (its aliquot sum) s(n): 5093747054
• 7131245842 is a deficient number, because the sum of its proper divisors (5093747054) is less than itself. Its deficiency is 2037498788

Bases of 7131245842

• Binary: 110101001000011100010110100010010₂
• Hexadecimal: 0x1A90E2D12
• Base-36: 39XRCIA

Squares and roots of 7131245842

• 7131245842 squared (7131245842²) is 50854667259042288964
• 7131245842 cubed (7131245842³) is 362657134437338860076687487688
• The square root of 7131245842 is 84446.7041511981
• The cube root of 7131245842 is 1924.8126734675

Scales and comparisons

• 7,131,245,842 seconds is equal to 226 years, 39 weeks, 13 hours, 37 minutes, 22 seconds.
• To count from 1 to 7,131,245,842 would take you about four hundred fifty-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 7131245842 cubic inches would be around 160.4 feet tall.

Recreational maths with 7131245842

• 7131245842 backwards is 2485421317
• The number of decimal digits it has is: 10
• The sum of 7131245842's digits is 37
• More coming soon!