138657925956942

Names of 138657925956942

• Cardinal: 138657925956942 can be written as One hundred thirty-eight trillion, six hundred fifty-seven billion, nine hundred twenty-five million, nine hundred fifty-six thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.38657925956942 × 10¹⁴

Factors of 138657925956942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 205592

Divisors of 138657925956942

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 243 294 343 378 441 486 567 686 882 1029 1134 1323 1701 2058 2646 3087 3402 3969 4129 6174 7938 8258 9261 11907 12387 18522 23814 24774 27783 28903 37161 55566 57806 74322 83349 86709 111483 166698 173418 201451 202321 222966 260127 334449 402902 404642 520254 604353 606963 668898 780381 1003347 1208706 1213926 1410157 1416247 1560762 1813059 1820889 2006694 2341143 2820314 2832494 3626118 3641778 4230471 4248741 4682286 5439177 5462667 7023429 8460942 8497482 9871099 10878354 10925334 12691413 12746223 14046858 16317531 16388001 19742198 25382826 25492446 29613297 32635062 32776002 38074239 38238669 48952593 49164003 59226594 69097693 76148478 76477338 88839891 97905186 98328006 114222717 114716007 138195386 177679782 207293079 228445434 229432014 266519673 342668151 344148021 414586158 533039346 621879237 685336302 688296042 799559019 831791179 1243758474 1599118038 1663582358 1865637711 2398677057 2495373537 3731275422 4797354114 4990747074 5596913133 5822538253 7486120611 11193826266 11645076506 14972241222 16790739399 17467614759 22458361833 33581478798 34935229518 40757767771 44916723666 52402844277 67375085499 81515535542 104805688554 122273303313 134750170998 157208532831 202125256497 244546606626 285304374397 314417065662 366819909939 404250512994 471625598493 570608748794 733639819878 855913123191 943251196986 1100459729817 1414876795479 1711826246382 2200919459634 2567739369573 2829753590958 3301379189451 5135478739146 6602758378902 7703218108719 9904137568353 15406436217438 19808275136706 23109654326157 46219308652314 69328962978471 138657925956942
• Sum of all divisors σ(n): 363416184768000
• Sum of proper divisors (its aliquot sum) s(n): 224758258811058
• 138657925956942 is an abundant number, because the sum of its proper divisors (224758258811058) is greater than itself. Its abundance is 86100332854116

Bases of 138657925956942

• Binary: 11111100001101111010000011011000000010101001110₂
• Hexadecimal: 0x7E1BD06C054E
• Base-36: 1D5EKL2MVI

Squares and roots of 138657925956942

• 138657925956942 squared (138657925956942²) is 19226020430680810046437991364
• 138657925956942 cubed (138657925956942³) is 2665840117323993901334801251158624031848888
• The square root of 138657925956942 is 11775310.0153219745
• The cube root of 138657925956942 is 51758.4862844797

Scales and comparisons

• 138,657,925,956,942 seconds is equal to 4,408,893 years, 7 weeks, 4 days, 23 hours, 35 minutes, 42 seconds.
• To count from 1 to 138,657,925,956,942 would take you about eleven million, twenty-two thousand, two hundred thirty-two 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 138657925956942 cubic inches would be around 4313.2 feet tall.

Recreational maths with 138657925956942

• 138657925956942 backwards is 249659529756831
• 138657925956942 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138657925956942's digits is 81
• More coming soon!