1321516625

Names of 1321516625

• Cardinal: 1321516625 can be written as One billion, three hundred twenty-one million, five hundred sixteen thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.321516625 × 10⁹

Factors of 1321516625

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 76

Divisors of 1321516625

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 11 13 25 47 55 65 121 125 143 169 235 275 325 517 605 611 715 845 1175 1331 1375 1573 1625 1859 2585 3025 3055 3575 4225 5687 5875 6655 6721 7865 7943 9295 12925 15125 15275 17303 17875 20449 21125 28435 33275 33605 39325 39715 46475 62557 64625 73931 76375 86515 87373 102245 142175 166375 168025 196625 198575 224939 232375 312785 369655 432575 436865 511225 710875 813241 840125 961103 992875 1124695 1563925 1848275 2162875 2184325 2556125 4066205 4805515 5623475 7819625 9241375 10572133 10921625 20331025 24027575 28117375 52860665 101655125 120137875 264303325 1321516625
• Sum of all divisors σ(n): 2006125056
• Sum of proper divisors (its aliquot sum) s(n): 684608431
• 1321516625 is a deficient number, because the sum of its proper divisors (684608431) is less than itself. Its deficiency is 636908194

Bases of 1321516625

• Binary: 1001110110001001011111001010001₂
• Hexadecimal: 0x4EC4BE51
• Base-36: LUSOR5

Squares and roots of 1321516625

• 1321516625 squared (1321516625²) is 1746406190151390625
• 1321516625 cubed (1321516625³) is 2307904814287973977806640625
• The square root of 1321516625 is 36352.6701220143
• The cube root of 1321516625 is 1097.3812706351

Scales and comparisons

• 1,321,516,625 seconds is equal to 42 years, 1 week, 7 hours, 57 minutes, 5 seconds.
• To count from 1 to 1,321,516,625 would take you about eighty-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 1321516625 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321516625

• 1321516625 backwards is 5266151231
• The number of decimal digits it has is: 10
• The sum of 1321516625's digits is 32
• More coming soon!