138423194519540

Names of 138423194519540

• Cardinal: 138423194519540 can be written as One hundred thirty-eight trillion, four hundred twenty-three billion, one hundred ninety-four million, five hundred nineteen thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.3842319451954 × 10¹⁴

Factors of 138423194519540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 868

Divisors of 138423194519540

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 31 35 49 62 70 98 124 140 155 196 217 245 310 343 434 490 620 686 823 868 961 980 1085 1372 1519 1646 1715 1922 2170 3038 3292 3430 3844 4115 4340 4805 5761 6076 6727 6860 7595 8230 9610 10633 11522 13454 15190 16460 19220 21266 23044 25513 26908 28805 29791 30380 33635 40327 42532 47089 51026 53165 57610 59582 67270 80654 94178 102052 106330 115220 119164 127565 134540 148955 161308 178591 188356 201635 208537 212660 235445 255130 282289 297910 329623 357182 403270 417074 470890 510260 564578 595820 659246 677329 714364 790903 806540 834148 892955 941780 1042685 1129156 1250137 1318492 1354658 1411445 1459759 1581806 1648115 1785910 2085370 2500274 2709316 2822890 2919518 3163612 3296230 3386645 3571820 3954515 4170740 4741303 5000548 5536321 5645780 5839036 6250685 6592460 6773290 7298795 7909030 8750959 9482606 10218313 11072642 12501370 13546580 14597590 15818060 17501918 18965212 20436626 20997199 22145284 23706515 24517993 25002740 27681605 29195180 33189121 35003836 38754247 40873252 41994398 43754795 47413030 49035986 51091565 55363210 66378242 77508494 83988796 87509590 94826060 98071972 102183130 104985995 110726420 122589965 132756484 146980393 155016988 165945605 171625951 175019180 193771235 204366260 209971990 232323847 245179930 271279729 293960786 331891210 343251902 387542470 419943980 464647694 490359860 542559458 587921572 650913169 663782420 686503804 734901965 775084940 858129755 929295388 1028862751 1085118916 1161619235 1201381657 1301826338 1356398645 1469803930 1716259510 2057725502 2323238470 2402763314 2603652676 2712797290 2939607860 3254565845 3432519020 4115451004 4556392183 4646476940 4805526628 5144313755 5425594580 6006908285 6509131690 7202039257 8409671599 9112784366 10288627510 12013816570 13018263380 14404078514 16819343198 18225568732 20178308239 20577255020 22781960915 24027633140 28808157028 31894745281 33638686396 36010196285 40356616478 42048357995 45563921830 63789490562 72020392570 80713232956 84096715990 91127843660 100891541195 127578981124 141248157673 144040785140 159473726405 168193431980 201783082390 223263216967 282496315346 318947452810 403566164780 446526433934 564992630692 637894905620 706240788365 893052867868 988737103711 1116316084835 1412481576730 1977474207422 2232632169670 2824963153460 3954948414844 4465264339340 4943685518555 6921159725977 9887371037110 13842319451954 19774742074220 27684638903908 34605798629885 69211597259770 138423194519540
• Sum of all divisors σ(n): 350721200793600
• Sum of proper divisors (its aliquot sum) s(n): 212298006274060
• 138423194519540 is an abundant number, because the sum of its proper divisors (212298006274060) is greater than itself. Its abundance is 73874811754520

Bases of 138423194519540

• Binary: 11111011110010100101001010101101000011111110100₂
• Hexadecimal: 0x7DE5295687F4
• Base-36: 1D2EQK1ALW

Squares and roots of 138423194519540

• 138423194519540 squared (138423194519540²) is 19160980780994408691441811600
• 138423194519540 cubed (138423194519540³) is 2652324169832756502168571118369929198664000
• The square root of 138423194519540 is 11765338.6912379195
• The cube root of 138423194519540 is 51729.2627930365

Scales and comparisons

• 138,423,194,519,540 seconds is equal to 4,401,429 years, 21 weeks, 3 days, 22 hours, 32 minutes, 20 seconds.
• To count from 1 to 138,423,194,519,540 would take you about eleven million, three thousand, five hundred seventy-three 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 138423194519540 cubic inches would be around 4310.8 feet tall.

Recreational maths with 138423194519540

• 138423194519540 backwards is 045915491324831
• The number of decimal digits it has is: 15
• The sum of 138423194519540's digits is 59
• More coming soon!