1218139169478

Names of 1218139169478

• Cardinal: 1218139169478 can be written as One trillion, two hundred eighteen billion, one hundred thirty-nine million, one hundred sixty-nine thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 1.218139169478 × 10¹²

Factors of 1218139169478

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6483

Divisors of 1218139169478

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 23 33 42 46 66 67 69 77 134 138 154 161 201 231 253 281 322 402 462 469 483 506 562 737 759 843 938 966 1407 1474 1518 1541 1686 1771 1967 2211 2814 3082 3091 3542 3934 4422 4623 5159 5313 5901 6089 6182 6463 9246 9273 10318 10626 10787 11802 12178 12926 15477 16951 18267 18546 18827 19389 21574 21637 30954 32361 33902 36534 37654 38778 42623 43274 45241 50853 56481 64722 64911 66979 71093 85246 90482 101706 112962 118657 127869 129822 131789 133958 135723 140047 142186 200937 207097 213279 237314 255738 263578 271446 280094 355971 395367 401874 407963 414194 420141 426558 433021 468853 497651 621291 711942 790734 815926 840282 866042 937706 980329 995302 1223889 1242582 1299063 1406559 1449679 1492953 1540517 1711009 1960658 2447778 2598126 2813118 2855741 2899358 2940987 2985906 3031147 3081034 3422018 4349037 4487593 4621551 4763231 5133027 5711482 5881974 6062294 8567223 8698074 8975186 9093441 9243102 9383149 9526462 10266054 10783619 11977063 13462779 14289693 17134446 18186882 18766298 18821099 21567238 23954126 26925558 28149447 28579386 31413151 32350857 33342617 35931189 37642198 39353207 56298894 56463297 62826302 64701714 65682043 66685234 71862378 78706414 94239453 100027851 103214639 112926594 114637603 118059621 131364086 131747693 188478906 197046129 200055702 206429278 229275206 236119242 263495386 275472449 309643917 343912809 394092258 395243079 432885277 550944898 619287834 687825618 722502473 790486158 802463221 826417347 865770554 1261013633 1298655831 1445004946 1604926442 1652834694 2167507419 2407389663 2522027266 2597311662 2636664869 3030196939 3783040899 4335014838 4814779326 5273329738 6060393878 7566081798 7909994607 8827095431 9090590817 15819989214 17654190862 18181181634 18456654083 26481286293 29003313559 36913308166 52962572586 55369962249 58006627118 87009940677 110739924498 174019881354 203023194913 406046389826 609069584739 1218139169478
• Sum of all divisors σ(n): 3228784312320
• Sum of proper divisors (its aliquot sum) s(n): 2010645142842
• 1218139169478 is an abundant number, because the sum of its proper divisors (2010645142842) is greater than itself. Its abundance is 792505973364

Bases of 1218139169478

• Binary: 10001101110011110110000001010001011000110₂
• Hexadecimal: 0x11B9EC0A2C6
• Base-36: FJLSLYO6

Squares and roots of 1218139169478

• 1218139169478 squared (1218139169478²) is 1483863036216551606792484
• 1218139169478 cubed (1218139169478³) is 1807551686555933609655322883252603352
• The square root of 1218139169478 is 1103693.4218694971
• The cube root of 1218139169478 is 10679.8618793069

Scales and comparisons

• 1,218,139,169,478 seconds is equal to 38,733 years, 2 weeks, 6 days, 23 hours, 31 minutes, 18 seconds.
• To count from 1 to 1,218,139,169,478 would take you about ninety-six thousand, eight 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 1218139169478 cubic inches would be around 890 feet tall.

Recreational maths with 1218139169478

• 1218139169478 backwards is 8749619318121
• The number of decimal digits it has is: 13
• The sum of 1218139169478's digits is 60
• More coming soon!