138778469769470976

Names of 138778469769470976

• Cardinal: 138778469769470976 can be written as One hundred thirty-eight quadrillion, seven hundred seventy-eight trillion, four hundred sixty-nine billion, seven hundred sixty-nine million, four hundred seventy thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 1.38778469769470976 × 10¹⁷

Factors of 138778469769470976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 133845

Divisors of 138778469769470976

• Number of divisors d(n): 297
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 512 522 576 696 768 841 928 1024 1044 1152 1392 1536 1682 1856 2088 2304 2523 2784 3072 3364 3712 4176 4608 5046 5568 6728 7424 7569 8352 9216 10092 11136 13456 14848 15138 16704 20184 22272 26912 29696 30276 33408 40368 44544 53824 60552 66816 80736 89088 107648 121104 133632 133811 161472 215296 242208 267264 267622 322944 401433 430592 484416 535244 645888 802866 861184 968832 1070488 1204299 1291776 1605732 1937664 2140976 2408598 2583552 3211464 3875328 3880519 4281952 4817196 6422928 7750656 7761038 8563904 9634392 11641557 12845856 15522076 17127808 19268784 23283114 25691712 31044152 34255616 34924671 38537568 46566228 51383424 62088304 68511232 69849342 77075136 93132456 102766848 112535051 124176608 137022464 139698684 154150272 186264912 205533696 225070102 248353216 279397368 308300544 337605153 372529824 411067392 450140204 496706432 558794736 616601088 675210306 745059648 900280408 993412864 1012815459 1117589472 1233202176 1350420612 1490119296 1800560816 1986825728 2025630918 2235178944 2700841224 2980238592 3601121632 3973651456 4051261836 4470357888 5401682448 5960477184 7202243264 8102523672 8940715776 10803364896 11920954368 14404486528 16205047344 17881431552 17905383721 21606729792 28808973056 32410094688 35762863104 35810767442 43213459584 53716151163 57617946112 64820189376 71621534884 86426919168 107432302326 115235892224 129640378752 143243069768 161148453489 172853838336 214864604652 259280757504 286486139536 322296906978 345707676672 429729209304 518561515008 519256127909 572972279072 644593813956 859458418608 1037123030016 1038512255818 1145944558144 1289187627912 1557768383727 1718916837216 2077024511636 2291889116288 2578375255824 3115536767454 3437833674432 4154049023272 4583778232576 4673305151181 5156750511648 6231073534908 6875667348864 8308098046544 9167556465152 9346610302362 10313501023296 12462147069816 13751334697728 15058427709361 16616196093088 18335112930304 18693220604724 20627002046592 24924294139632 27502669395456 30116855418722 33232392186176 37386441209448 41254004093184 45175283128083 49848588279264 55005338790912 60233710837444 66464784372352 74772882418896 82508008186368 90350566256166 99697176558528 120467421674888 132929568744704 135525849384249 149545764837792 165016016372736 180701132512332 199394353117056 240934843349776 265859137489408 271051698768498 299091529675584 361402265024664 398788706234112 481869686699552 531718274978816 542103397536996 598183059351168 722804530049328 797577412468224 963739373399104 1084206795073992 1196366118702336 1445609060098656 1595154824936448 1927478746798208 2168413590147984 2392732237404672 2891218120197312 3854957493596416 4336827180295968 4785464474809344 5782436240394624 7709914987192832 8673654360591936 11564872480789248 15419829974385664 17347308721183872 23129744961578496 34694617442367744 46259489923156992 69389234884735488 138778469769470976
• Sum of all divisors σ(n): 415017326278547473
• Sum of proper divisors (its aliquot sum) s(n): 276238856509076497
• 138778469769470976 is an abundant number, because the sum of its proper divisors (276238856509076497) is greater than itself. Its abundance is 137460386739605521

Bases of 138778469769470976

• Binary: 111101101000010100100100001110001000101001110010000000000₂
• Hexadecimal: 0x1ED0A487114E400
• Base-36: 11YGV0VMU4G0

Squares and roots of 138778469769470976

• 138778469769470976 squared (138778469769470976²) is 19259463671555969570517070906392576
• 138778469769470976 cubed (138778469769470976³) is 2672798896919254613395661982805675385249244093874176
• 138778469769470976 is a perfect square number. Its square root is 372529824
• The cube root of 138778469769470976 is 517734.8087895347

Scales and comparisons

• 138,778,469,769,470,976 seconds is equal to 4,412,726,068 years, 35 weeks, 1 day, 12 hours, 9 minutes, 36 seconds.
• To count from 1 to 138,778,469,769,470,976 would take you about thirteen billion, two hundred thirty-eight million, one hundred seventy-eight thousand, two hundred six 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 138778469769470976 cubic inches would be around 43144.6 feet tall.

Recreational maths with 138778469769470976

• 138778469769470976 backwards is 679074967964877831
• The number of decimal digits it has is: 18
• The sum of 138778469769470976's digits is 108
• More coming soon!