138275818171136680

Names of 138275818171136680

• Cardinal: 138275818171136680 can be written as One hundred thirty-eight quadrillion, two hundred seventy-five trillion, eight hundred eighteen billion, one hundred seventy-one million, one hundred thirty-six thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.3827581817113668 × 10¹⁷

Factors of 138275818171136680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 51321993130

Divisors of 138275818171136680

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 193 349 386 698 772 965 1396 1544 1745 1930 2792 3490 3860 6980 7720 13960 67357 134714 269428 336785 538856 673570 1347140 2694280 51321992581 102643985162 205287970324 256609962905 410575940648 513219925810 1026439851620 2052879703240 9905144568133 17911375410769 19810289136266 35822750821538 39620578272532 49525722840665 71645501643076 79241156545064 89556877053845 99051445681330 143291003286152 179113754107690 198102891362660 358227508215380 396205782725320 716455016430760 3456895454278417 6913790908556834 13827581817113668 17284477271392085 27655163634227336 34568954542784170 69137909085568340 138275818171136680
• Sum of all divisors σ(n): 313628696668602000
• Sum of proper divisors (its aliquot sum) s(n): 175352878497465320
• 138275818171136680 is an abundant number, because the sum of its proper divisors (175352878497465320) is greater than itself. Its abundance is 37077060326328640

Bases of 138275818171136680

• Binary: 111101011010000010001111110111111000111011111101010101000₂
• Hexadecimal: 0x1EB411FBF1DFAA8
• Base-36: 11TIOPX79NL4

Squares and roots of 138275818171136680

• 138275818171136680 squared (138275818171136680²) is 19120201890897252862896243241422400
• 138275818171136680 cubed (138275818171136680³) is 2643861560061132266107697959411212096332668013632000
• The square root of 138275818171136680 is 371854565.8871713787
• The cube root of 138275818171136680 is 517108.9791068533

Scales and comparisons

• 138,275,818,171,136,680 seconds is equal to 4,396,743,302 years, 33 weeks, 6 days, 22 hours, 24 minutes, 40 seconds.
• To count from 1 to 138,275,818,171,136,680 would take you about thirteen billion, one hundred ninety million, two hundred twenty-nine thousand, nine hundred seven 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 138275818171136680 cubic inches would be around 43092.4 feet tall.

Recreational maths with 138275818171136680

• 138275818171136680 backwards is 086631171818572831
• The number of decimal digits it has is: 18
• The sum of 138275818171136680's digits is 76
• More coming soon!