21628381320
21,628,381,320 is an even composite number composed of seven prime numbers multiplied together.
21628381320 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21628381320:
23 × 33 × 5 × 7 × 13 × 312 × 229
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 13 × 31 × 31 × 229)See below for interesting mathematical facts about the number 21628381320 from the Numbermatics database.
Names of 21628381320
- Cardinal: 21628381320 can be written as Twenty-one billion, six hundred twenty-eight million, three hundred eighty-one thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.162838132 × 1010
Factors of 21628381320
Divisors of 21628381320
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 30 31 35 36 39 40 42 45 52 54 56 60 62 63 65 70 72 78 84 90 91 93 104 105 108 117 120 124 126 130 135 140 155 156 168 180 182 186 189 195 210 216 217 229 234 248 252 260 270 273 279 280 310 312 315 351 360 364 372 378 390 403 420 434 455 458 465 468 504 520 540 546 558 585 620 630 651 687 702 728 744 756 780 806 819 837 840 868 910 916 930 936 945 961 1080 1085 1092 1116 1145 1170 1209 1240 1260 1302 1365 1374 1395 1404 1512 1560 1603 1612 1638 1674 1736 1755 1820 1832 1860 1890 1922 1953 2015 2061 2170 2184 2232 2290 2340 2418 2457 2520 2604 2730 2748 2790 2808 2821 2883 2977 3206 3224 3255 3276 3348 3435 3510 3627 3640 3720 3780 3844 3906 4030 4095 4122 4185 4340 4580 4680 4805 4809 4836 4914 5208 5460 5496 5580 5642 5766 5859 5954 6045 6183 6412 6510 6552 6696 6727 6870 7020 7099 7254 7560 7688 7812 8015 8060 8190 8244 8370 8463 8649 8680 8931 9160 9610 9618 9672 9765 9828 10305 10881 10920 11160 11284 11532 11718 11908 12090 12285 12366 12493 12824 13020 13454 13740 14040 14105 14198 14415 14427 14508 14885 15624 16030 16120 16380 16488 16740 16926 17298 17862 18135 19220 19236 19530 19656 20181 20610 20839 21297 21762 22568 23064 23436 23816 24045 24180 24570 24732 24986 25389 25947 26040 26793 26908 27480 28210 28396 28830 28854 29016 29295 29770 30915 32060 32760 33480 33635 33852 34596 35495 35724 36270 37479 38440 38472 39060 40362 41220 41678 42315 42594 43245 43281 43524 44655 46872 48090 48360 49140 49464 49693 49972 50778 51894 53586 53816 54405 56420 56792 57660 57708 58590 59540 60543 61830 62465 62517 63891 64120 67270 67704 69192 70990 71448 72135 72540 74958 76167 78120 80379 80724 82440 83356 84630 85188 86490 86562 87048 87451 89310 92287 96180 98280 99386 99944 100905 101556 103788 104195 106485 107172 108810 112437 112840 115320 115416 117180 119080 121086 123660 124930 125034 126945 127782 129735 133965 134540 141980 144270 145080 149079 149916 152334 160758 161448 166712 169260 170376 172980 173124 174902 178620 181629 184574 187395 187551 191673 192360 198772 201810 203112 207576 208390 212970 214344 216405 217620 220069 224874 234360 242172 247320 248465 249860 250068 253890 255564 259470 262353 267930 269080 276861 283960 288540 298158 299832 302715 304668 312585 319455 321516 337311 338520 345960 346248 349804 357240 363258 369148 374790 375102 380835 383346 397544 401895 403620 416780 425940 432810 435240 437255 440138 447237 449748 461435 484344 496930 499720 500136 507780 511128 518940 524706 535860 553722 562185 562653 577080 596316 605430 609336 625170 638910 643032 646009 660207 674622 699608 726516 738296 745395 749580 750204 761670 766692 787059 803790 807240 830583 833560 851880 865620 874510 880276 894474 899496 908145 922870 937755 958365 993860 1015560 1037880 1049412 1071720 1100345 1107444 1124370 1125306 1192632 1210860 1250340 1277820 1292018 1311765 1320414 1341711 1349244 1384305 1453032 1490790 1499160 1500408 1523340 1533384 1540483 1574118 1607580 1661166 1686555 1731240 1749020 1760552 1788948 1816290 1845740 1875510 1916730 1938027 1980621 1987720 2098824 2200690 2214888 2236185 2248740 2250612 2361177 2421720 2491749 2500680 2555640 2584036 2623530 2640828 2683422 2698488 2768610 2813265 2860897 2981580 3046680 3080966 3148236 3215160 3230045 3301035 3322332 3373110 3498040 3577896 3632580 3691480 3751020 3833460 3876054 3935295 3961242 4152915 4401380 4472370 4497480 4501224 4621449 4722354 4983498 5168072 5247060 5281656 5366844 5537220 5626530 5721794 5814081 5941863 5963160 6161932 6296472 6460090 6602070 6644664 6708555 6746220 7265160 7502040 7666920 7702415 7752108 7870590 7922484 8305830 8582691 8802760 8944740 9242898 9444708 9690135 9903105 9966996 10494120 10733688 11074440 11253060 11443588 11628162 11805885 11883726 12323864 12458745 12920180 13204140 13417110 13492440 13864347 14304485 15404830 15504216 15741180 15844968 16611660 17165382 17442243 17889480 18485796 18889416 19380270 19806210 19933992 20026279 22506120 22887176 23107245 23256324 23611770 23767452 24917490 25748073 25840360 26408280 26834220 27728694 28608970 29070405 29709315 30809660 31482360 33223320 34330764 34884486 36971592 38760540 39612420 40052558 41593041 42913455 46214490 46512648 47223540 47534904 49834980 51496146 53668440 55457388 57217940 58140810 59418630 60078837 61619320 68661528 69321735 69768972 77244219 77521080 79224840 80105116 83186082 85826910 87211215 92428980 94447080 99669960 100131395 102992292 110914776 114435880 116281620 118837260 120157674 128740365 138643470 139537944 154488438 160210232 166372164 171653820 174422430 180236511 184857960 200262790 205984584 207965205 232563240 237674520 240315348 257480730 277286940 300394185 308976876 332744328 343307640 348844860 360473022 386221095 400525580 415930410 480630696 514961460 540709533 554573880 600788370 617953752 697689720 720946044 772442190 801051160 831860820 901182555 1029922920 1081419066 1201576740 1441892088 1544884380 1663721640 1802365110 2162838132 2403153480 2703547665 3089768760 3604730220 4325676264 5407095330 7209460440 10814190660 21628381320
- Sum of all divisors σ(n): 92086848000
- Sum of proper divisors (its aliquot sum) s(n): 70458466680
- 21628381320 is an abundant number, because the sum of its proper divisors (70458466680) is greater than itself. Its abundance is 48830085360
Bases of 21628381320
- Binary: 101000010010010011011101000100010002
- Hexadecimal: 0x50926E888
- Base-36: 9XOZ9U0
Squares and roots of 21628381320
- 21628381320 squared (216283813202) is 467786878523324942400
- 21628381320 cubed (216283813203) is 10117472985194990368494235968000
-
The
square root of 21628381320 is 147065.9080820569 -
The
cube root of 21628381320 is 2786.1725294509
Scales and comparisons
How big is 21628381320?- 21,628,381,320 seconds is equal to 687 years, 37 weeks, 1 day, 11 hours, 42 minutes.
-
To count from 1 to 21,628,381,320 would take you about one thousand, three hundred seventy-five 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 21628381320 cubic inches would be around 232.2 feet tall.
Recreational maths with 21628381320
- 21628381320 backwards is 02318382612
- 21628381320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21628381320's digits is 36
- More coming soon!
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The information we have on file for 21628381320 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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