138666650031

Names of 138666650031

• Cardinal: 138666650031 can be written as One hundred thirty-eight billion, six hundred sixty-six million, six hundred fifty thousand and thirty-one.

Scientific notation

• Scientific notation: 1.38666650031 × 10¹¹

Factors of 138666650031

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4754

Divisors of 138666650031

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 13 21 27 39 61 63 67 81 91 117 183 189 201 273 351 427 469 549 567 603 793 819 871 1053 1281 1407 1647 1809 2379 2457 2613 3843 4087 4221 4603 4941 5427 5551 6097 7137 7371 7839 11529 12261 12663 13809 16653 18291 21411 23517 28609 32221 34587 36783 37989 41427 49959 53131 54873 59839 64233 70551 85827 96663 110349 124281 149877 159393 164619 179517 257481 280783 289989 308401 331047 371917 372843 418873 449631 478179 493857 538551 772443 842349 869967 925203 1115751 1256619 1434537 1615653 1965481 2158807 2317329 2527047 2609901 2775609 3347253 3650179 3769857 4009213 4303611 4846959 5896443 6476421 7581141 8326827 10041759 10950537 11309571 12027639 17689329 18812461 19429263 22743423 24980481 25551253 28064491 30125277 32851611 33928713 36082917 53067987 56437383 58287789 76653759 84193473 98554833 108248751 131687227 159203961 169312149 174863367 229961277 244561993 252580419 295664499 324746253 395061681 507936447 689883831 733685979 757741257 1185185043 1523809341 1711933951 2069651493 2201057937 2273223771 3555555129 5135801853 6603173811 10666665387 15407405559 19809521433 46222216677 138666650031
• Sum of all divisors σ(n): 263050608128
• Sum of proper divisors (its aliquot sum) s(n): 124383958097
• 138666650031 is a deficient number, because the sum of its proper divisors (124383958097) is less than itself. Its deficiency is 14282691934

Bases of 138666650031

• Binary: 10000001001001001011010010100110101111₂
• Hexadecimal: 0x20492D29AF
• Base-36: 1RPAJJXR

Squares and roots of 138666650031

• 138666650031 squared (138666650031²) is 19228439830819832300961
• 138666650031 cubed (138666650031³) is 2666343336662434533491468451979791
• The square root of 138666650031 is 372379.7121635387
• The cube root of 138666650031 is 5175.9571774531

Scales and comparisons

• 138,666,650,031 seconds is equal to 4,409 years, 8 weeks, 6 days, 1 hour, 53 minutes, 51 seconds.
• To count from 1 to 138,666,650,031 would take you about eight thousand, eight hundred eighteen 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 138666650031 cubic inches would be around 431.3 feet tall.

Recreational maths with 138666650031

• 138666650031 backwards is 130056666831
• The number of decimal digits it has is: 12
• The sum of 138666650031's digits is 45
• More coming soon!