138439909069924

Names of 138439909069924

• Cardinal: 138439909069924 can be written as One hundred thirty-eight trillion, four hundred thirty-nine billion, nine hundred nine million, sixty-nine thousand, nine hundred twenty-four.

Scientific notation

• Scientific notation: 1.38439909069924 × 10¹⁴

Factors of 138439909069924

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 349264

Divisors of 138439909069924

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 11 14 22 28 37 43 44 74 77 86 148 154 172 259 301 308 407 473 518 602 811 814 946 1036 1204 1591 1622 1628 1892 2849 3182 3244 3311 5677 5698 6364 6622 8921 11137 11354 11396 13244 17501 17842 22274 22708 30007 34873 35002 35684 44548 60014 62447 69746 70004 120028 122507 124894 139492 210049 244111 245014 249788 330077 348353 383603 420098 488222 490028 660154 696706 767206 840196 976444 1290301 1320308 1393412 1534412 2310539 2438471 2580602 2685221 3831883 4621078 4876942 5161204 5370442 7663766 9032107 9242156 9753884 10740884 12889061 14193311 14979179 15327532 18064214 25778122 26823181 28386622 29958358 36128428 51556244 53646362 56773244 59916716 90223427 99353177 104854253 107292724 141779671 164770969 180446854 198706354 209708506 282514283 283559342 329541938 360893708 397412708 419417012 554229623 565028566 567118684 659083876 992457697 1108459246 1130057132 1153396783 1977599981 1984915394 2216918492 2306793566 3107657113 3879607361 3955199962 3969830788 4613587132 6096525853 6215314226 7759214722 7910399924 10453028471 12148114169 12193051706 12430628452 15518429444 20906056942 21753599791 24296228338 24386103412 41812113884 42675680971 43507199582 48592456676 73171199297 85036799183 85351361942 87014399164 114983313181 133629255859 146342398594 170073598366 170702723884 229966626362 267258511718 292684797188 340147196732 449480224253 459933252724 534517023436 804883192267 898960448506 935404791013 1609766384534 1797920897012 1870809582026 3146361569771 3219532769068 3741619164052 4944282466783 6292723139542 9888564933566 12585446279084 19777129867132 34609977267481 69219954534962 138439909069924
• Sum of all divisors σ(n): 317820844357632
• Sum of proper divisors (its aliquot sum) s(n): 179380935287708
• 138439909069924 is an abundant number, because the sum of its proper divisors (179380935287708) is greater than itself. Its abundance is 40941026217784

Bases of 138439909069924

• Binary: 11111011110100100001101100110100101010001100100₂
• Hexadecimal: 0x7DE90D9A5464
• Base-36: 1D2MEZG484

Squares and roots of 138439909069924

• 138439909069924 squared (138439909069924²) is 19165608423288825398721365776
• 138439909069924 cubed (138439909069924³) is 2653285087389874472305922421565347164521024
• The square root of 138439909069924 is 11766048.9999797299
• The cube root of 138439909069924 is 51731.3448057927

Scales and comparisons

• 138,439,909,069,924 seconds is equal to 4,401,960 years, 46 weeks, 9 hours, 12 minutes, 4 seconds.
• To count from 1 to 138,439,909,069,924 would take you about eleven million, four thousand, nine hundred 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 138439909069924 cubic inches would be around 4310.9 feet tall.

Recreational maths with 138439909069924

• 138439909069924 backwards is 429960909934831
• The number of decimal digits it has is: 15
• The sum of 138439909069924's digits is 76
• More coming soon!