1309568225

Names of 1309568225

• Cardinal: 1309568225 can be written as One billion, three hundred nine million, five hundred sixty-eight thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.309568225 × 10⁹

Factors of 1309568225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 454

Divisors of 1309568225

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 17 25 29 35 43 85 119 145 175 203 215 301 353 425 493 595 725 731 1015 1075 1247 1505 1765 2465 2471 2975 3451 3655 5075 5117 6001 6235 7525 8729 8825 10237 12325 12355 15179 17255 18275 21199 25585 30005 31175 42007 43645 51185 61775 71659 75895 86275 105995 106253 127925 148393 150025 174029 210035 218225 255925 258043 358295 379475 440191 529975 531265 741965 870145 1050175 1218203 1290215 1791475 1806301 2200955 2656325 3081337 3709825 4350725 6091015 6451075 7483247 9031505 11004775 15406685 30455075 37416235 45157525 52382729 77033425 187081175 261913645 1309568225
• Sum of all divisors σ(n): 2085937920
• Sum of proper divisors (its aliquot sum) s(n): 776369695
• 1309568225 is a deficient number, because the sum of its proper divisors (776369695) is less than itself. Its deficiency is 533198530

Bases of 1309568225

• Binary: 1001110000011100110110011100001₂
• Hexadecimal: 0x4E0E6CE1
• Base-36: LNOLB5

Squares and roots of 1309568225

• 1309568225 squared (1309568225²) is 1714968935929650625
• 1309568225 cubed (1309568225³) is 2245868825355531293851390625
• The square root of 1309568225 is 36187.9569055785
• The cube root of 1309568225 is 1094.0639540633

Scales and comparisons

• 1,309,568,225 seconds is equal to 41 years, 33 weeks, 2 days, 57 minutes, 5 seconds.
• To count from 1 to 1,309,568,225 would take you about eighty-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 1309568225 cubic inches would be around 91.2 feet tall.

Recreational maths with 1309568225

• 1309568225 backwards is 5228659031
• The number of decimal digits it has is: 10
• The sum of 1309568225's digits is 41
• More coming soon!