2720449390

Names of 2720449390

• Cardinal: 2720449390 can be written as Two billion, seven hundred twenty million, four hundred forty-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.72044939 × 10⁹

Factors of 2720449390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 653

Divisors of 2720449390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 73 97 103 146 194 206 365 373 485 515 730 746 970 1030 1865 3730 7081 7519 9991 14162 15038 19982 27229 35405 36181 37595 38419 49955 54458 70810 72362 75190 76838 99910 136145 180905 192095 272290 361810 384190 729343 1458686 2641213 2804587 3646715 3726643 5282426 5609174 7293430 7453286 13206065 14022935 18633215 26412130 28045870 37266430 272044939 544089878 1360224695 2720449390
• Sum of all divisors σ(n): 5077328256
• Sum of proper divisors (its aliquot sum) s(n): 2356878866
• 2720449390 is a deficient number, because the sum of its proper divisors (2356878866) is less than itself. Its deficiency is 363570524

Bases of 2720449390

• Binary: 10100010001001101100001101101110₂
• Hexadecimal: 0xA226C36E
• Base-36: 18ZOO6M

Squares and roots of 2720449390

• 2720449390 squared (2720449390²) is 7400844883551372100
• 2720449390 cubed (2720449390³) is 20133623948941951263108019000
• The square root of 2720449390 is 52157.9273936379
• The cube root of 2720449390 is 1395.9832809305

Scales and comparisons

• 2,720,449,390 seconds is equal to 86 years, 26 weeks, 16 hours, 23 minutes, 10 seconds.
• To count from 1 to 2,720,449,390 would take you about one 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 2720449390 cubic inches would be around 116.3 feet tall.

Recreational maths with 2720449390

• 2720449390 backwards is 0939440272
• The number of decimal digits it has is: 10
• The sum of 2720449390's digits is 40
• More coming soon!