6990243157

Names of 6990243157

• Cardinal: 6990243157 can be written as Six billion, nine hundred ninety million, two hundred forty-three thousand, one hundred fifty-seven.

Scientific notation

• Scientific notation: 6.990243157 × 10⁹

Factors of 6990243157

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1002922

Divisors of 6990243157

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7019 995903 6990243157
• Sum of all divisors σ(n): 6991246080
• Sum of proper divisors (its aliquot sum) s(n): 1002923
• 6990243157 is a deficient number, because the sum of its proper divisors (1002923) is less than itself. Its deficiency is 6989240234

Bases of 6990243157

• Binary: 110100000101001101010010101010101₂
• Hexadecimal: 0x1A0A6A555
• Base-36: 37LT651

Squares and roots of 6990243157

• 6990243157 squared (6990243157²) is 48863499393985326649
• 6990243157 cubed (6990243157³) is 341567742265879576566581990893
• The square root of 6990243157 is 83607.6740317539
• The cube root of 6990243157 is 1912.0419995567

Scales and comparisons

• 6,990,243,157 seconds is equal to 222 years, 13 weeks, 6 days, 14 hours, 12 minutes, 37 seconds.
• To count from 1 to 6,990,243,157 would take you about four hundred forty-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 6990243157 cubic inches would be around 159.3 feet tall.

Recreational maths with 6990243157

• 6990243157 backwards is 7513420996
• The number of decimal digits it has is: 10
• The sum of 6990243157's digits is 46
• More coming soon!