138868971280
138,868,971,280 is an even composite number composed of eight prime numbers multiplied together.
138868971280 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 138868971280:
24 × 5 × 13 × 23 × 37 × 41 × 43 × 89
(2 × 2 × 2 × 2 × 5 × 13 × 23 × 37 × 41 × 43 × 89)See below for interesting mathematical facts about the number 138868971280 from the Numbermatics database.
Names of 138868971280
- Cardinal: 138868971280 can be written as One hundred thirty-eight billion, eight hundred sixty-eight million, nine hundred seventy-one thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.3886897128 × 1011
Factors of 138868971280
Divisors of 138868971280
- Number of divisors d(n): 640
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 23 26 37 40 41 43 46 52 65 74 80 82 86 89 92 104 115 130 148 164 172 178 184 185 205 208 215 230 260 296 299 328 344 356 368 370 410 430 445 460 481 520 533 559 592 598 656 688 712 740 820 851 860 890 920 943 962 989 1040 1066 1118 1157 1196 1424 1480 1495 1517 1591 1640 1702 1720 1763 1780 1840 1886 1924 1978 2047 2132 2236 2314 2392 2405 2665 2795 2960 2990 3034 3182 3280 3293 3404 3440 3526 3560 3649 3772 3827 3848 3956 4094 4255 4264 4472 4628 4715 4784 4810 4945 5330 5590 5785 5980 6068 6364 6586 6808 7052 7120 7298 7544 7585 7654 7696 7912 7955 8188 8510 8528 8815 8944 9256 9430 9620 9890 10235 10660 11063 11180 11570 11960 12136 12259 12728 12857 13172 13616 14104 14596 15088 15170 15308 15824 15910 16376 16465 17020 17630 18245 18512 18860 19135 19240 19721 19780 20470 20683 21320 22126 22360 22919 23140 23920 24272 24518 25456 25714 26344 26611 28208 29192 30340 30616 31820 32752 32930 34040 34891 35260 36490 36593 37720 38270 38480 39442 39560 40549 40940 41366 42640 42809 44252 44720 45838 46280 47437 49036 49751 51428 52688 53222 55315 58384 60680 61232 61295 63640 64285 65231 65860 68080 69782 70520 72980 73186 75440 75739 76540 78884 79120 81098 81880 82732 83927 85618 88021 88504 91676 92560 94874 98072 98605 99502 102856 103415 106444 110630 114595 121360 122590 127280 128570 130462 131720 133055 135013 139564 141040 141599 145960 146372 151478 153080 156907 157768 162196 163760 165464 167854 171236 174455 176042 177008 182965 183352 189748 196144 197210 199004 202745 205712 206830 212888 214045 221260 229190 237185 245180 248755 257140 260924 263440 266110 270026 279128 283198 291920 292744 302956 306160 313814 315536 324392 326155 330928 335708 342472 348910 352084 365930 366704 378695 379496 394420 398008 405490 413660 419635 425776 428090 440105 442520 453583 458380 474370 475709 490360 497510 514280 521848 527137 532220 540052 558256 566396 585488 605912 627628 648784 652310 671416 675065 684944 697820 704168 707995 731860 757390 758992 784535 788840 796016 810980 827320 839270 848003 856180 880210 885040 907166 916760 948740 951418 980720 984607 995020 1028560 1043696 1054274 1064440 1080104 1091051 1132792 1144273 1211824 1255256 1304620 1342832 1350130 1395640 1408336 1415990 1463720 1500313 1514780 1569070 1577680 1621960 1654640 1678540 1696006 1712360 1755169 1760420 1814332 1833520 1840787 1897480 1902836 1969214 1990040 2039791 2108548 2128880 2160208 2182102 2265584 2267915 2288546 2378545 2510512 2609240 2635685 2700260 2791280 2831980 2927440 3000626 3029560 3105299 3138140 3243920 3256777 3357080 3392012 3424720 3510338 3520840 3608861 3628664 3681574 3794960 3805672 3938428 3980080 4079582 4217096 4240015 4364204 4535830 4577092 4757090 4923035 5218480 5271370 5400520 5455255 5663960 5721365 5805559 6001252 6059120 6210598 6276280 6513554 6714160 6784024 7020676 7041680 7217722 7257328 7363148 7501565 7611344 7876856 8159164 8434192 8480030 8728408 8775845 9071660 9154184 9203935 9514180 9846070 10198955 10542740 10801040 10910510 11327920 11442730 11611118 12002504 12421196 12552560 13027108 13568048 14041352 14435444 14726296 15003130 15526495 15753712 16283885 16318328 16960060 17456816 17551690 18044305 18143320 18308368 18407870 19028360 19504069 19692140 20397910 21085480 21821020 22885460 23222236 24005008 24842392 26054216 28082704 28870888 29027795 29452592 30006260 31052990 32567770 32636656 33920120 35103380 36088610 36286640 36815740 38056720 39008138 39384280 40368887 40795820 42170960 42338101 43642040 45770920 46444472 46915193 49684784 52108432 57741776 58055590 60012520 62105980 65135540 67840240 70206760 72177220 73631480 75472267 78016276 78768560 80737774 81591640 84676202 87284080 91541840 92888944 93830386 97520345 116111180 120025040 124211960 130271080 133527857 140413520 144354440 147262960 150944534 156032552 161475548 163183280 169352404 187660772 195040690 201844435 211690505 232222360 234575965 248423920 260542160 267055714 288708880 301889068 312065104 322951096 338704808 375321544 377361335 390081380 403688870 423381010 464444720 469151930 534111428 603778136 645902192 667639285 677409616 750643088 754722670 780162760 807377740 846762020 938303860 1068222856 1207556272 1335278570 1509445340 1560325520 1614755480 1693524040 1735862141 1876607720 2136445712 2670557140 3018890680 3229510960 3387048080 3471724282 3753215440 5341114280 6037781360 6943448564 8679310705 10682228560 13886897128 17358621410 27773794256 34717242820 69434485640 138868971280
- Sum of all divisors σ(n): 394984719360
- Sum of proper divisors (its aliquot sum) s(n): 256115748080
- 138868971280 is an abundant number, because the sum of its proper divisors (256115748080) is greater than itself. Its abundance is 117246776800
Bases of 138868971280
- Binary: 100000010101010011110001010111000100002
- Hexadecimal: 0x20553C5710
- Base-36: 1RSN000G
Squares and roots of 138868971280
- 138868971280 squared (1388689712802) is 19284591184365464838400
- 138868971280 cubed (1388689712803) is 2678031339328188921667619441152000
-
The
square root of 138868971280 is 372651.2730154027 -
The
cube root of 138868971280 is 5178.4732768547
Scales and comparisons
How big is 138868971280?- 138,868,971,280 seconds is equal to 4,415 years, 31 weeks, 2 days, 18 hours, 14 minutes, 40 seconds.
-
To count from 1 to 138,868,971,280 would take you about eight thousand, eight hundred thirty-one 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 138868971280 cubic inches would be around 431.5 feet tall.
Recreational maths with 138868971280
- 138868971280 backwards is 082179868831
- The number of decimal digits it has is: 12
- The sum of 138868971280's digits is 61
- More coming soon!
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The information we have on file for 138868971280 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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