12538728720
12,538,728,720 is an even composite number composed of seven prime numbers multiplied together.
12538728720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of eight hundred divisors.
Prime factorization of 12538728720:
24 × 34 × 5 × 7 × 31 × 37 × 241
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 31 × 37 × 241)See below for interesting mathematical facts about the number 12538728720 from the Numbermatics database.
Names of 12538728720
- Cardinal: 12538728720 can be written as Twelve billion, five hundred thirty-eight million, seven hundred twenty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.253872872 × 1010
Factors of 12538728720
Divisors of 12538728720
- Number of divisors d(n): 800
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 31 35 36 37 40 42 45 48 54 56 60 62 63 70 72 74 80 81 84 90 93 105 108 111 112 120 124 126 135 140 144 148 155 162 168 180 185 186 189 210 216 217 222 240 241 248 252 259 270 279 280 296 310 315 324 333 336 360 370 372 378 405 420 432 434 444 465 482 496 504 518 540 555 558 560 567 592 620 630 648 651 666 720 723 740 744 756 777 810 837 840 868 888 930 945 964 999 1008 1036 1080 1085 1110 1116 1134 1147 1205 1240 1260 1295 1296 1302 1332 1395 1446 1480 1488 1512 1554 1620 1665 1674 1680 1687 1736 1776 1860 1890 1928 1953 1998 2072 2160 2169 2170 2220 2232 2268 2294 2331 2410 2480 2511 2520 2590 2604 2664 2790 2835 2892 2960 2997 3024 3108 3240 3255 3330 3348 3374 3441 3472 3615 3720 3780 3856 3885 3906 3996 4144 4185 4338 4340 4440 4464 4536 4588 4662 4820 4995 5022 5040 5061 5180 5208 5328 5580 5670 5735 5784 5859 5994 6216 6480 6507 6510 6660 6696 6748 6882 6993 7230 7440 7471 7560 7770 7812 7992 8029 8370 8435 8676 8680 8880 8917 9072 9176 9324 9640 9765 9990 10044 10122 10323 10360 10416 10845 11160 11340 11470 11568 11655 11718 11988 12432 12555 13014 13020 13320 13392 13496 13764 13986 14460 14942 14985 15120 15183 15540 15624 15984 16058 16740 16870 17205 17352 17360 17577 17834 18352 18648 19280 19521 19530 19980 20088 20244 20646 20720 20979 21690 22320 22413 22680 22940 23310 23436 23976 24087 25110 25305 26028 26040 26640 26751 26992 27528 27972 28920 29295 29884 29970 30366 30969 31080 31248 32116 32535 33480 33740 34410 34704 34965 35154 35668 37296 37355 39042 39060 39960 40145 40176 40488 41292 41958 43380 44585 44826 45360 45549 45880 46620 46872 47952 48174 50220 50610 51615 52056 52080 52297 53502 55056 55944 57840 58590 59768 59940 60732 61938 62160 62419 64232 65070 66960 67239 67480 68820 69930 70308 71336 72261 74710 75915 78084 78120 79920 80253 80290 80976 82584 83916 86760 87885 89170 89652 91098 91760 92907 93240 93744 96348 97605 100440 101220 103230 104112 104594 104895 107004 111888 112065 117180 119536 119880 120435 121464 123876 124838 128464 130140 133755 134478 134960 136647 137640 139860 140616 142672 144522 149420 151830 154845 156168 156240 156891 160506 160580 165168 167832 173520 175770 178340 179304 182196 185814 186480 187257 192696 195210 200880 201717 202440 206460 209188 209790 214008 216783 224130 227745 234360 239760 240759 240870 242928 247752 249676 260280 261485 267510 268956 273294 275280 276427 279720 281232 289044 298840 303660 309690 312095 312336 313782 321012 321160 335664 336195 351540 356680 358608 361305 364392 371628 374514 385392 390420 401265 403434 404880 412920 418376 419580 428016 433566 448260 455490 464535 468720 470673 481518 481740 495504 499352 520560 522970 535020 537912 546588 552854 559440 561771 578088 597680 605151 607320 619380 624190 627564 642024 642320 650349 672390 683235 703080 713360 722277 722610 728784 743256 749028 780840 784455 802530 806868 825840 829281 836752 839160 867132 896520 910980 929070 936285 941346 963036 963480 998704 1008585 1045940 1070040 1075824 1083915 1093176 1105708 1123542 1156176 1203795 1210302 1214640 1238760 1248380 1255128 1284048 1300698 1344780 1366470 1382135 1406160 1412019 1444554 1445220 1486512 1498056 1561680 1568910 1605060 1613736 1658562 1678320 1685313 1734264 1793040 1821960 1858140 1872570 1882692 1926072 1926960 1934989 2017170 2091880 2140080 2167830 2186352 2211416 2247084 2353365 2407590 2420604 2477520 2487843 2496760 2510256 2601396 2689560 2732940 2764270 2808855 2824038 2889108 2890440 2996112 3025755 3137820 3210120 3227472 3251745 3317124 3370626 3468528 3611385 3643920 3716280 3745140 3765384 3852144 3869978 4034340 4146405 4183760 4236057 4335660 4422832 4494168 4706730 4815180 4841208 4975686 4993520 5055939 5202792 5379120 5465880 5528540 5617710 5648076 5778216 5780880 5804967 6051510 6275640 6420240 6503490 6634248 6741252 7060095 7222770 7432560 7463529 7490280 7530768 7739956 8068680 8292810 8426565 8472114 8671320 8988336 9413460 9630360 9674945 9682416 9951372 10111878 10405584 10931760 11057080 11235420 11296152 11556432 11609934 12103020 12439215 12551280 13006980 13268496 13482504 14120190 14445540 14927058 14980560 15479912 16137360 16585620 16853130 16944228 17342640 17414901 18826920 19260720 19349890 19902744 20223756 21180285 22114160 22390587 22470840 22592304 23219868 24206040 24878430 25279695 26013960 26965008 28240380 28891080 29024835 29854116 30959824 33171240 33706260 33888456 34829802 37317645 37653840 38699780 39805488 40447512 42360570 44781174 44941680 46439736 48412080 49756860 50559390 52027920 52244703 56480760 57782160 58049670 59708232 66342480 67412520 67776912 69659604 74635290 77399560 80895024 84721140 87074505 89562348 92879472 99513720 101118780 104489406 111952935 112961520 116099340 119416464 134825040 139319208 149270580 154799120 156734109 169442280 174149010 179124696 199027440 202237560 208978812 223905870 232198680 261223515 278638416 298541160 313468218 338884560 348298020 358249392 404475120 417957624 447811740 464397360 522447030 597082320 626936436 696596040 783670545 835915248 895623480 1044894060 1253872872 1393192080 1567341090 1791246960 2089788120 2507745744 3134682180 4179576240 6269364360 12538728720
- Sum of all divisors σ(n): 52983085056
- Sum of proper divisors (its aliquot sum) s(n): 40444356336
- 12538728720 is an abundant number, because the sum of its proper divisors (40444356336) is greater than itself. Its abundance is 27905627616
Bases of 12538728720
- Binary: 10111010110101110111010001000100002
- Hexadecimal: 0x2EB5DD110
- Base-36: 5RD8H00
Squares and roots of 12538728720
- 12538728720 squared (125387287202) is 157219717913752838400
- 12538728720 cubed (125387287203) is 1971335392355471197827598848000
-
The
square root of 12538728720 is 111976.4650272547 -
The
cube root of 12538728720 is 2323.1887829439
Scales and comparisons
How big is 12538728720?- 12,538,728,720 seconds is equal to 398 years, 36 weeks, 4 hours, 12 minutes.
-
To count from 1 to 12,538,728,720 would take you about seven hundred ninety-seven 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 12538728720 cubic inches would be around 193.6 feet tall.
Recreational maths with 12538728720
- 12538728720 backwards is 02782783521
- 12538728720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12538728720's digits is 45
- More coming soon!
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The information we have on file for 12538728720 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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