138660118540

Names of 138660118540

• Cardinal: 138660118540 can be written as One hundred thirty-eight billion, six hundred sixty million, one hundred eighteen thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.3866011854 × 10¹¹

Factors of 138660118540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1553

Divisors of 138660118540

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 89 178 239 356 397 445 478 794 821 890 956 1195 1588 1642 1780 1985 2390 3284 3970 4105 4780 7940 8210 16420 21271 35333 42542 70666 73069 85084 94883 106355 141332 146138 176665 189766 196219 212710 292276 325937 353330 365345 379532 392438 425420 474415 651874 706660 730690 784876 948830 981095 1303748 1461380 1629685 1897660 1962190 3259370 3924380 6518740 8444587 16889174 17463491 29008393 33778348 34926982 42222935 58016786 69853964 77898943 84445870 87317455 116033572 145041965 155797886 168891740 174634910 290083930 311595772 349269820 389494715 580167860 778989430 1557978860 6933005927 13866011854 27732023708 34665029635 69330059270 138660118540
• Sum of all divisors σ(n): 296795923200
• Sum of proper divisors (its aliquot sum) s(n): 158135804660
• 138660118540 is an abundant number, because the sum of its proper divisors (158135804660) is greater than itself. Its abundance is 19475686120

Bases of 138660118540

• Binary: 10000001001000110010011000000000001100₂
• Hexadecimal: 0x2048C9800C
• Base-36: 1RP6NK7G

Squares and roots of 138660118540

• 138660118540 squared (138660118540²) is 19226628473526851731600
• 138660118540 cubed (138660118540³) is 2665966583263772512976660263864000
• The square root of 138660118540 is 372370.9421262621
• The cube root of 138660118540 is 5175.8759100191

Scales and comparisons

• 138,660,118,540 seconds is equal to 4,408 years, 50 weeks, 11 hours, 35 minutes, 40 seconds.
• To count from 1 to 138,660,118,540 would take you about eight thousand, eight hundred seventeen 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 138660118540 cubic inches would be around 431.3 feet tall.

Recreational maths with 138660118540

• 138660118540 backwards is 045811066831
• The number of decimal digits it has is: 12
• The sum of 138660118540's digits is 43
• More coming soon!