7142719681

Names of 7142719681

• Cardinal: 7142719681 can be written as Seven billion, one hundred forty-two million, seven hundred nineteen thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 7.142719681 × 10⁹

Factors of 7142719681

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 171731

Divisors of 7142719681

• Number of divisors d(n): 8
• Complete list of divisors:
  1 173 241 41693 171317 29637841 41287397 7142719681
• Sum of all divisors σ(n): 7213858344
• Sum of proper divisors (its aliquot sum) s(n): 71138663
• 7142719681 is a deficient number, because the sum of its proper divisors (71138663) is less than itself. Its deficiency is 7071581018

Bases of 7142719681

• Binary: 110101001101111010100000011000001₂
• Hexadecimal: 0x1A9BD40C1
• Base-36: 3A4L9S1

Squares and roots of 7142719681

• 7142719681 squared (7142719681²) is 51018444441344741761
• 7142719681 cubed (7142719681³) is 364410447205198137082157298241
• The square root of 7142719681 is 84514.6122336251
• The cube root of 7142719681 is 1925.8444313219

Scales and comparisons

• 7,142,719,681 seconds is equal to 227 years, 6 weeks, 8 hours, 48 minutes, 1 second.
• To count from 1 to 7,142,719,681 would take you about four hundred fifty-four 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 7142719681 cubic inches would be around 160.5 feet tall.

Recreational maths with 7142719681

• 7142719681 backwards is 1869172417
• The number of decimal digits it has is: 10
• The sum of 7142719681's digits is 46
• More coming soon!