489745332018

Names of 489745332018

• Cardinal: 489745332018 can be written as Four hundred eighty-nine billion, seven hundred forty-five million, three hundred thirty-two thousand and eighteen.

Scientific notation

• Scientific notation: 4.89745332018 × 10¹¹

Factors of 489745332018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 15432916

Divisors of 489745332018

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 41 43 82 86 123 129 246 258 369 387 738 774 1763 3526 5289 10578 15867 31734 15432827 30865654 46298481 92596962 138895443 277790886 632745907 663611561 1265491814 1327223122 1898237721 1990834683 3796475442 3981669366 5694713163 5972504049 11389426326 11945008098 27208074001 54416148002 81624222003 163248444006 244872666009 489745332018
• Sum of all divisors σ(n): 1112274779616
• Sum of proper divisors (its aliquot sum) s(n): 622529447598
• 489745332018 is an abundant number, because the sum of its proper divisors (622529447598) is greater than itself. Its abundance is 132784115580

Bases of 489745332018

• Binary: 111001000000111000110001011011100110010₂
• Hexadecimal: 0x720718B732
• Base-36: 68ZHQ4OI

Squares and roots of 489745332018

• 489745332018 squared (489745332018²) is 239850490233421055952324
• 489745332018 cubed (489745332018³) is 117465657974046861367363072558709832
• The square root of 489745332018 is 699818.0706569387
• The cube root of 489745332018 is 7882.3691203487

Scales and comparisons

• 489,745,332,018 seconds is equal to 15,572 years, 20 weeks, 18 hours, 18 seconds.
• To count from 1 to 489,745,332,018 would take you about thirty-one thousand, one 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 489745332018 cubic inches would be around 656.9 feet tall.

Recreational maths with 489745332018

• 489745332018 backwards is 810233547984
• The number of decimal digits it has is: 12
• The sum of 489745332018's digits is 54
• More coming soon!