138918399965540
138,918,399,965,540 is an even composite number composed of seven prime numbers multiplied together.
138918399965540 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138918399965540:
22 × 5 × 132 × 37 × 127 × 193 × 45319
(2 × 2 × 5 × 13 × 13 × 37 × 127 × 193 × 45319)See below for interesting mathematical facts about the number 138918399965540 from the Numbermatics database.
Names of 138918399965540
- Cardinal: 138918399965540 can be written as One hundred thirty-eight trillion, nine hundred eighteen billion, three hundred ninety-nine million, nine hundred sixty-five thousand, five hundred forty.
Scientific notation
- Scientific notation: 1.3891839996554 × 1014
Factors of 138918399965540
Divisors of 138918399965540
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 10 13 20 26 37 52 65 74 127 130 148 169 185 193 254 260 338 370 386 481 508 635 676 740 772 845 962 965 1270 1651 1690 1924 1930 2405 2509 2540 3302 3380 3860 4699 4810 5018 6253 6604 7141 8255 9398 9620 10036 12506 12545 14282 16510 18796 21463 23495 24511 25012 25090 28564 31265 32617 33020 35705 42926 45319 46990 49022 50180 61087 62530 65234 71410 85852 90638 92833 93980 98044 107315 122174 122555 125060 130468 142820 163085 181276 185666 214630 226595 244348 245110 305435 318643 326170 371332 429260 453190 464165 490220 589147 610870 637286 652340 794131 906380 906907 928330 1178294 1206829 1221740 1274572 1588262 1593215 1676803 1813814 1856660 2356588 2413658 2945735 3176524 3186430 3353606 3627628 3970655 4142359 4534535 4827316 5755513 5891470 6034145 6372860 6707212 7658911 7941310 8284718 8384015 8746567 9069070 11511026 11782940 11789791 12068290 15317822 15882620 16569436 16768030 17493134 18138140 20711795 21798439 23022052 23579582 24136580 28777565 30635644 33536060 34986268 38294555 41423590 43596878 43732835 47159164 57555130 58948955 74821669 76589110 82847180 87193756 87465670 108992195 113705371 115110260 117897910 149643338 153178220 153267283 174931340 212953981 217984390 227410742 235795820 283379707 299286676 306534566 323622979 374108345 425907962 435968780 454821484 566759414 568526855 613069132 647245958 748216690 766336415 851815924 972681697 1064769905 1110814009 1133518828 1137053710 1294491916 1416898535 1478169823 1496433380 1532672830 1618114895 1945363394 2129539810 2221628018 2274107420 2768401753 2833797070 2956339646 3065345660 3236229790 3890726788 4207098727 4259079620 4443256036 4863408485 5536803506 5554070045 5667594140 5912679292 6472459580 7390849115 8414197454 9726816970 11073607012 11108140090 13842008765 14440582117 14781698230 16828394908 19453633940 21035493635 22216280180 27684017530 28881164234 29563396460 35989222789 41100118333 42070987270 54692283451 55368035060 57762328468 71978445578 72202910585 82200236666 84141974540 109384566902 143956891156 144405821170 164400473332 179946113945 187727567521 205500591665 218769133804 273461417255 288811642340 359892227890 375455135042 411001183330 534301538329 546922834510 719784455780 750910270084 822002366660 938637837605 1068603076658 1093845669020 1877275675210 2137206153316 2671507691645 3754551350420 5343015383290 6945919998277 10686030766580 13891839996554 27783679993108 34729599991385 69459199982770 138918399965540
- Sum of all divisors σ(n): 328689308344320
- Sum of proper divisors (its aliquot sum) s(n): 189770908378780
- 138918399965540 is an abundant number, because the sum of its proper divisors (189770908378780) is greater than itself. Its abundance is 50852508413240
Bases of 138918399965540
- Binary: 111111001011000011101011110000111111001011001002
- Hexadecimal: 0x7E5875E1F964
- Base-36: 1D8Q8CKM78
Squares and roots of 138918399965540
- 138918399965540 squared (1389183999655402) is 19298321848985743873187491600
- 138918399965540 cubed (1389183999655403) is 2680891993281120990756960499215399039464000
-
The
square root of 138918399965540 is 11786365.0022193017 -
The
cube root of 138918399965540 is 51790.8760838757
Scales and comparisons
How big is 138918399965540?- 138,918,399,965,540 seconds is equal to 4,417,175 years, 21 weeks, 4 days, 10 hours, 52 minutes, 20 seconds.
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To count from 1 to 138,918,399,965,540 would take you about eleven million, forty-two thousand, nine hundred thirty-eight 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 138918399965540 cubic inches would be around 4315.9 feet tall.
Recreational maths with 138918399965540
- 138918399965540 backwards is 045569993819831
- The number of decimal digits it has is: 15
- The sum of 138918399965540's digits is 80
- More coming soon!
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The information we have on file for 138918399965540 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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