13687403443991979

Names of 13687403443991979

• Cardinal: 13687403443991979 can be written as Thirteen quadrillion, six hundred eighty-seven trillion, four hundred three billion, four hundred forty-three million, nine hundred ninety-one thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.3687403443991979 × 10¹⁶

Factors of 13687403443991979

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 156132

Divisors of 13687403443991979

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 39 353 379 1059 1137 4589 4927 13767 14781 19273 57819 133787 136111 250549 401361 408333 751647 1739231 1769443 5217693 5308329 6803369 7304467 20410107 21913401 48047183 51586069 88443797 94958071 144141549 154758207 265331391 284874213 624613379 670618897 1873840137 2011856691 2578476851 2623267303 7735430553 7869801909 18209882357 33520199063 34102474939 54629647071 100560597189 102307424817 236728470641 710185411923 926013357959 994218307837 2778040073877 2982654923511 12038173653467 12924838001881 36114520960401 38774514005643 350959062666461 1052877187999383 4562467814663993 13687403443991979
• Sum of all divisors σ(n): 19762557919426560
• Sum of proper divisors (its aliquot sum) s(n): 6075154475434581
• 13687403443991979 is a deficient number, because the sum of its proper divisors (6075154475434581) is less than itself. Its deficiency is 7612248968557398

Bases of 13687403443991979

• Binary: 110000101000001001111011110100001011010011010110101011₂
• Hexadecimal: 0x30A09EF42D35AB
• Base-36: 3QRS2C49NZF

Squares and roots of 13687403443991979

• 13687403443991979 squared (13687403443991979²) is 187345013038603487809951416336441
• 13687403443991979 cubed (13687403443991979³) is 2564266776679303589650758394860356785792369406739
• The square root of 13687403443991979 is 116993176.9121258583
• The cube root of 13687403443991979 is 239206.8926446309

Scales and comparisons

• 13,687,403,443,991,979 seconds is equal to 435,217,091 years, 31 weeks, 1 day, 11 hours, 59 minutes, 39 seconds.
• To count from 1 to 13,687,403,443,991,979 would take you about one billion, three hundred five million, six hundred fifty-one thousand, two hundred seventy-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 13687403443991979 cubic inches would be around 19933.9 feet tall.

Recreational maths with 13687403443991979

• 13687403443991979 backwards is 97919934430478631
• The number of decimal digits it has is: 17
• The sum of 13687403443991979's digits is 87
• More coming soon!