131585289381

Names of 131585289381

• Cardinal: 131585289381 can be written as One hundred thirty-one billion, five hundred eighty-five million, two hundred eighty-nine thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 1.31585289381 × 10¹¹

Factors of 131585289381

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5203

Divisors of 131585289381

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 7 9 13 21 39 49 63 67 91 117 147 201 273 441 469 603 637 819 871 1407 1911 2613 3283 4221 4489 5113 5733 6097 7839 9849 13467 15339 18291 29547 31423 35791 40401 42679 46017 54873 58357 66469 94269 107373 128037 175071 199407 219961 250537 282807 322119 342571 384111 408499 465283 525213 598221 659883 751611 1027713 1225497 1395849 1979649 2254833 2397997 2859493 3083139 3256981 3676491 4187547 4453423 7193991 8578479 9770943 13360269 16785979 21581973 22952257 25735437 29312829 31173961 40080807 50357937 68856771 93521883 151073811 160665799 206570313 218217727 280565649 298379341 481997397 654653181 895138023 1124660593 1445992191 1963959543 2088655387 2685414069 3373981779 6265966161 10121945337 14620587709 18797898483 43861763127 131585289381
• Sum of all divisors σ(n): 241760862252
• Sum of proper divisors (its aliquot sum) s(n): 110175572871
• 131585289381 is a deficient number, because the sum of its proper divisors (110175572871) is less than itself. Its deficiency is 21409716510

Bases of 131585289381

• Binary: 1111010100011000110000010110010100101₂
• Hexadecimal: 0x1EA3182CA5
• Base-36: 1OG6HF39

Squares and roots of 131585289381

• 131585289381 squared (131585289381²) is 17314688381481511363161
• 131585289381 cubed (131585289381³) is 2278358281219083194222779967893341
• The square root of 131585289381 is 362746.8668107279
• The cube root of 131585289381 is 5086.3055571115

Scales and comparisons

• 131,585,289,381 seconds is equal to 4,184 years, 1 day, 21 hours, 16 minutes, 21 seconds.
• To count from 1 to 131,585,289,381 would take you about eight thousand, three hundred sixty-eight 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 131585289381 cubic inches would be around 423.9 feet tall.

Recreational maths with 131585289381

• 131585289381 backwards is 183982585131
• The number of decimal digits it has is: 12
• The sum of 131585289381's digits is 54
• More coming soon!