64949746225

Names of 64949746225

• Cardinal: 64949746225 can be written as Sixty-four billion, nine hundred forty-nine million, seven hundred forty-six thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 6.4949746225 × 10¹⁰

Factors of 64949746225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 24158

Divisors of 64949746225

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 7 13 25 35 49 65 91 169 175 245 325 455 637 845 1183 1225 2197 2275 3185 4225 5915 8281 10985 15379 15925 24133 29575 41405 54925 76895 107653 120665 168931 207025 313729 384475 538265 603325 844655 1182517 1568645 2196103 2691325 4078477 4223275 5912585 7843225 10980515 15372721 20392385 28549339 29562925 53020201 54902575 76863605 101961925 142746695 199845373 265101005 371141407 384318025 713733475 999226865 1325505025 1855707035 2597989849 4996134325 9278535175 12989949245 64949746225
• Sum of all divisors σ(n): 101494571640
• Sum of proper divisors (its aliquot sum) s(n): 36544825415
• 64949746225 is a deficient number, because the sum of its proper divisors (36544825415) is less than itself. Its deficiency is 28404920810

Bases of 64949746225

• Binary: 111100011111010011100111101000110001₂
• Hexadecimal: 0xF1F4E7A31
• Base-36: TU5EGXD

Squares and roots of 64949746225

• 64949746225 squared (64949746225²) is 4218469534691901750625
• 64949746225 cubed (64949746225³) is 273988525736132852265726985140625
• The square root of 64949746225 is 254852.4008617537
• The cube root of 64949746225 is 4019.6893035001

Scales and comparisons

• 64,949,746,225 seconds is equal to 2,065 years, 10 weeks, 3 days, 4 hours, 10 minutes, 25 seconds.
• To count from 1 to 64,949,746,225 would take you about four thousand, one hundred thirty 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 64949746225 cubic inches would be around 335 feet tall.

Recreational maths with 64949746225

• 64949746225 backwards is 52264794946
• The number of decimal digits it has is: 11
• The sum of 64949746225's digits is 58
• More coming soon!