21221344872
21,221,344,872 is an even composite number composed of seven prime numbers multiplied together.
21221344872 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of nine hundred sixty divisors.
Prime factorization of 21221344872:
23 × 34 × 7 × 132 × 19 × 31 × 47
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 13 × 13 × 19 × 31 × 47)See below for interesting mathematical facts about the number 21221344872 from the Numbermatics database.
Names of 21221344872
- Cardinal: 21221344872 can be written as Twenty-one billion, two hundred twenty-one million, three hundred forty-four thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1221344872 × 1010
Factors of 21221344872
Divisors of 21221344872
- Number of divisors d(n): 960
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 19 21 24 26 27 28 31 36 38 39 42 47 52 54 56 57 62 63 72 76 78 81 84 91 93 94 104 108 114 117 124 126 133 141 152 156 162 168 169 171 182 186 188 189 216 217 228 234 247 248 252 266 273 279 282 312 324 329 338 342 351 364 372 376 378 399 403 423 434 456 468 494 504 507 513 532 546 558 564 567 589 611 648 651 658 676 684 702 728 741 744 756 798 806 819 837 846 868 893 936 987 988 1014 1026 1053 1064 1092 1116 1128 1134 1178 1183 1197 1209 1222 1269 1302 1316 1352 1368 1404 1457 1482 1512 1521 1539 1596 1612 1638 1674 1692 1729 1736 1767 1786 1833 1953 1974 1976 2028 2052 2106 2184 2223 2232 2268 2356 2366 2394 2418 2444 2457 2511 2538 2604 2632 2679 2808 2821 2914 2961 2964 3042 3078 3192 3211 3224 3276 3348 3384 3458 3534 3549 3572 3591 3627 3666 3807 3906 3948 4056 4104 4123 4212 4277 4371 4446 4536 4563 4712 4732 4788 4836 4888 4914 5022 5076 5187 5208 5239 5301 5358 5499 5642 5828 5859 5922 5928 6084 6156 6251 6422 6552 6669 6696 6916 7068 7098 7144 7182 7254 7332 7371 7614 7657 7812 7896 7943 8037 8246 8424 8463 8554 8742 8883 8892 9126 9464 9576 9633 9672 9828 10044 10152 10199 10374 10478 10602 10647 10716 10773 10881 10998 11284 11609 11656 11718 11844 12168 12312 12369 12502 12831 12844 13113 13338 13689 13832 14136 14196 14364 14508 14664 14742 15228 15314 15561 15624 15717 15886 15903 16074 16492 16497 16926 17108 17484 17577 17766 17784 18252 18753 18941 19266 19656 20007 20088 20398 20748 20956 21204 21294 21432 21546 21762 21996 22477 22568 22971 23218 23436 23688 23829 24111 24738 25004 25389 25662 25688 26226 26649 26676 27378 27683 28392 28728 28899 29016 29484 30456 30597 30628 31122 31434 31772 31806 31941 32148 32643 32984 32994 33852 34216 34827 34968 35154 35532 36504 36673 37107 37506 37882 38493 38532 39339 40014 40796 41496 41912 42408 42588 43092 43524 43992 44954 45942 46436 46683 46872 47151 47658 47709 48222 49476 49491 50008 50778 51324 52452 53298 53352 53599 54756 55366 55601 56259 56823 57798 58968 61194 61256 62244 62868 63544 63612 63882 64296 65286 65988 67431 67704 68913 69654 70308 71064 71487 72333 73346 74214 75012 75764 76167 76986 77064 78678 80028 81263 81592 83049 85176 86184 86697 87048 89908 91791 91884 92872 93366 94302 95316 95418 95823 96444 98952 98982 99541 101556 102648 104481 104904 106596 107198 109512 110019 110732 111202 111321 112518 113646 115479 115596 118017 122388 124488 125736 127224 127764 130572 131976 132587 134862 137826 139308 140049 140616 141453 142974 144666 146692 148428 150024 150917 151528 152334 153972 157356 160056 160797 162526 166098 166803 168777 170469 173394 179816 183582 183768 186732 188604 190632 190836 191646 192888 193781 197964 199082 202293 203112 206739 208962 213192 214396 214461 220038 221464 222404 222642 225036 227292 228501 230958 231192 236034 243789 244776 246233 249147 255528 260091 261144 265174 269724 275373 275652 278616 280098 282906 285948 289332 293384 296856 298623 301834 304668 307944 313443 314712 321594 325052 330057 332196 333606 333963 337554 340938 346437 346788 359879 367164 373464 377208 381672 383292 387562 395928 397761 398164 404586 413478 417924 424359 428792 428922 440076 444808 445284 450072 452751 454584 457002 461916 472068 482391 487578 492466 498294 500409 506331 511407 520182 530348 539448 550746 551304 560196 565812 571896 578664 581343 597246 603668 606879 609336 620217 626886 643188 643383 650104 660114 664392 667212 667926 675108 681876 692874 693576 696787 719758 731367 734328 738699 747441 766584 775124 795522 796328 809172 826119 826956 835848 848718 857844 880152 890568 895869 905502 914004 923832 940329 944136 964782 975156 984932 990171 996588 1000818 1012662 1022814 1040364 1056419 1060696 1079637 1101492 1120392 1131624 1162686 1193283 1194492 1207336 1213758 1240434 1253772 1286376 1286766 1320228 1334424 1335852 1350216 1358253 1363752 1385748 1393574 1439516 1447173 1462734 1477398 1494882 1501227 1534221 1550248 1591044 1618344 1652238 1653912 1697436 1715688 1723631 1744029 1791738 1811004 1820637 1828008 1880658 1929564 1950312 1969864 1980342 1993176 2001636 2025324 2045628 2080728 2090361 2112838 2159274 2194101 2202984 2216097 2242323 2325372 2386566 2388984 2427516 2480868 2507544 2519153 2573532 2640456 2671704 2687607 2716506 2771496 2787148 2879032 2894346 2925468 2954796 2970513 2989764 3002454 3068442 3169257 3182088 3238911 3304476 3394872 3447262 3488058 3579849 3583476 3622008 3641274 3761316 3859128 3960684 4003272 4050648 4074759 4091256 4180722 4225676 4318548 4341519 4388202 4432194 4484646 4503681 4650744 4678427 4773132 4855032 4961736 5038306 5147064 5170893 5232087 5375214 5433012 5574296 5788692 5850936 5909592 5941026 5979528 6004908 6136884 6271083 6338514 6477822 6582303 6608952 6648291 6894524 6976116 7159698 7166952 7282548 7522632 7557459 7921368 8062821 8149518 8361444 8451352 8637096 8683038 8776404 8864388 8969292 9007362 9356854 9507771 9546264 9716733 10076612 10341786 10464174 10739547 10750428 10866024 11577384 11882052 12009816 12224277 12273768 12542166 12677028 12955644 13164606 13296582 13789048 13952232 14035281 14319396 14565096 15114918 15512679 15696261 16125642 16299036 16722888 17366076 17552808 17728776 17938584 18014724 18713708 18813249 19015542 19433466 19944873 20153224 20683572 20928348 21479094 21500856 22672377 23764104 24448554 25084332 25354056 25911288 26329212 26593164 28070562 28523313 28638792 29150199 30229836 31025358 31392522 32251284 32598072 32748989 34732152 36029448 37427416 37626498 38031084 38866932 39889746 41367144 41856696 42105843 42958188 45344754 46538037 48897108 50168664 52658424 53186328 56141124 56439747 57046626 58300398 60459672 62050716 62785044 64502568 65497978 68017131 75252996 76062168 77733864 79779492 84211686 85569939 85916376 90689508 93076074 97794216 98246967 112282248 112879494 114093252 116600796 124101432 125570088 126317529 130995956 136034262 139614111 150505992 159558984 168423372 171139878 181379016 186152148 196493934 204051393 225758988 228186504 233201592 252635058 261991912 272068524 279228222 294740901 336846744 342279756 372304296 378952587 392987868 408102786 451517976 505270116 544137048 558456444 589481802 684559512 757905174 785975736 816205572 884222703 1010540232 1116912888 1178963604 1515810348 1632411144 1768445406 2357927208 2652668109 3031620696 3536890812 5305336218 7073781624 10610672436 21221344872
- Sum of all divisors σ(n): 81627955200
- Sum of proper divisors (its aliquot sum) s(n): 60406610328
- 21221344872 is an abundant number, because the sum of its proper divisors (60406610328) is greater than itself. Its abundance is 39185265456
Bases of 21221344872
- Binary: 100111100001110010000000110011010002
- Hexadecimal: 0x4F0E40668
- Base-36: 9QYN2I0
Squares and roots of 21221344872
- 21221344872 squared (212213448722) is 450345478176360696384
- 21221344872 cubed (212213448723) is 9556936703926299975830947342848
-
The
square root of 21221344872 is 145675.4779364049 -
The
cube root of 21221344872 is 2768.5835517329
Scales and comparisons
How big is 21221344872?- 21,221,344,872 seconds is equal to 674 years, 40 weeks, 1 day, 10 hours, 1 minute, 12 seconds.
-
To count from 1 to 21,221,344,872 would take you about one thousand, three hundred forty-nine 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 21221344872 cubic inches would be around 230.7 feet tall.
Recreational maths with 21221344872
- 21221344872 backwards is 27844312212
- 21221344872 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21221344872's digits is 36
- More coming soon!
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The information we have on file for 21221344872 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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