21315838824
21,315,838,824 is an even composite number composed of seven prime numbers multiplied together.
21315838824 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 21315838824:
23 × 34 × 7 × 17 × 31 × 37 × 241
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 17 × 31 × 37 × 241)See below for interesting mathematical facts about the number 21315838824 from the Numbermatics database.
Names of 21315838824
- Cardinal: 21315838824 can be written as Twenty-one billion, three hundred fifteen million, eight hundred thirty-eight thousand, eight hundred twenty-four.
Scientific notation
- Scientific notation: 2.1315838824 × 1010
Factors of 21315838824
Divisors of 21315838824
- Number of divisors d(n): 640
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 17 18 21 24 27 28 31 34 36 37 42 51 54 56 62 63 68 72 74 81 84 93 102 108 111 119 124 126 136 148 153 162 168 186 189 204 216 217 222 238 241 248 252 259 279 296 306 324 333 357 372 378 408 434 444 459 476 482 504 518 527 558 567 612 629 648 651 666 714 723 744 756 777 837 868 888 918 952 964 999 1036 1054 1071 1116 1134 1147 1224 1258 1302 1332 1377 1428 1446 1512 1554 1581 1674 1687 1736 1836 1887 1928 1953 1998 2072 2108 2142 2169 2232 2268 2294 2331 2511 2516 2604 2664 2754 2856 2892 2997 3108 3162 3213 3348 3374 3441 3672 3689 3774 3906 3996 4097 4216 4284 4338 4403 4536 4588 4662 4743 5022 5032 5061 5208 5508 5661 5784 5859 5994 6216 6324 6426 6507 6696 6748 6882 6993 7378 7471 7548 7812 7992 8029 8194 8568 8676 8806 8917 9176 9324 9486 9639 10044 10122 10323 11016 11067 11322 11718 11988 12291 12648 12852 13014 13209 13496 13764 13986 14229 14756 14942 15096 15183 15624 16058 16388 16983 17352 17577 17612 17834 18648 18972 19278 19499 19521 20088 20244 20646 20979 22134 22413 22644 23436 23976 24087 24582 25704 26028 26418 26751 27528 27972 28458 28679 29512 29884 30366 30969 32116 32776 33201 33966 35154 35224 35668 36873 37944 38556 38998 39042 39627 40488 41292 41958 42687 44268 44826 45288 45549 46872 48174 49164 50949 52056 52297 52836 53502 55944 56916 57358 58497 59768 60732 61938 62419 64232 66402 67239 67932 70308 71336 72261 73746 77112 77996 78084 79254 80253 82584 83916 85374 86037 88536 89652 91098 92907 96348 98328 99603 101898 104594 105672 107004 110619 113832 114716 116994 118881 121464 123876 124838 127007 132804 134478 135864 136493 136647 140616 144522 147492 151589 155992 156168 156891 158508 160506 167832 170748 172074 175491 179304 182196 185814 187257 192696 199206 201717 203796 209188 214008 216783 221238 229432 233988 237762 240759 247752 249676 254014 258111 265608 268956 272986 273294 276427 289044 294984 298809 303178 313782 317016 321012 331857 341496 344148 350982 356643 364392 371628 374514 381021 398412 403434 407592 409479 418376 433566 442476 454767 467976 470673 475524 481518 499352 508028 516222 526473 537912 545972 546588 552854 561771 578088 597618 605151 606356 627564 642024 650349 663714 688296 701964 713286 722277 743256 749028 762042 774333 796824 806868 818958 829281 867132 884952 889049 909534 941346 951048 963036 1016056 1032444 1052946 1061123 1091944 1093176 1105708 1123542 1143063 1195236 1210302 1212712 1228437 1255128 1300698 1327428 1364301 1403928 1412019 1426572 1444554 1498056 1524084 1548666 1579419 1613736 1637916 1658562 1685313 1734264 1778098 1819068 1882692 1926072 1934989 2064888 2105892 2122246 2211416 2247084 2286126 2322999 2390472 2420604 2456874 2487843 2601396 2654856 2667147 2728602 2824038 2853144 2889108 3048168 3097332 3158838 3183369 3275832 3317124 3370626 3429189 3556196 3638136 3685311 3765384 3869978 4092903 4211784 4236057 4244492 4494168 4572252 4645998 4699259 4841208 4913748 4975686 5055939 5202792 5334294 5457204 5648076 5778216 5804967 6194664 6317676 6366738 6634248 6741252 6858378 7112392 7370622 7463529 7739956 8001441 8185806 8472114 8488984 9144504 9291996 9398518 9550107 9827496 9951372 10111878 10287567 10668588 10914408 11055933 11296152 11609934 12278709 12635352 12733476 13482504 13716756 14097777 14741244 14927058 15479912 16002882 16371612 16944228 17414901 18583992 18797036 19100214 19902744 20223756 20575134 21337176 22111866 22390587 23219868 24004323 24557418 25466952 27433512 28195554 28650321 29482488 29854116 32005764 32743224 32894813 33888456 34829802 37594072 38200428 40447512 41150268 42293331 44223732 44781174 46439736 48008646 49114836 52244703 56391108 57300642 59708232 64011528 65789626 69659604 72012969 76400856 82300536 84586662 85950963 88447464 89562348 96017292 98229672 98684439 104489406 112782216 114601284 126879993 131579252 139319208 144025938 156734109 169173324 171901926 179124696 192034584 197368878 208978812 229202568 253759986 263158504 288051876 296053317 313468218 338346648 343803852 380639979 394737756 417957624 507519972 576103752 592106634 626936436 687607704 761279958 789475512 888159951 1015039944 1184213268 1253872872 1522559916 1776319902 2368426536 2664479853 3045119832 3552639804 5328959706 7105279608 10657919412 21315838824
- Sum of all divisors σ(n): 76910929920
- Sum of proper divisors (its aliquot sum) s(n): 55595091096
- 21315838824 is an abundant number, because the sum of its proper divisors (55595091096) is greater than itself. Its abundance is 34279252272
Bases of 21315838824
- Binary: 100111101101000010111100011011010002
- Hexadecimal: 0x4F685E368
- Base-36: 9SIWEI0
Squares and roots of 21315838824
- 21315838824 squared (213158388242) is 454364984770745702976
- 21315838824 cubed (213158388243) is 9685170782642429994926993140224
-
The
square root of 21315838824 is 145999.4480263539 -
The
cube root of 21315838824 is 2772.6867641177
Scales and comparisons
How big is 21315838824?- 21,315,838,824 seconds is equal to 677 years, 40 weeks, 3 days, 2 hours, 20 minutes, 24 seconds.
-
To count from 1 to 21,315,838,824 would take you about one thousand, three hundred fifty-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 21315838824 cubic inches would be around 231.1 feet tall.
Recreational maths with 21315838824
- 21315838824 backwards is 42883851312
- The number of decimal digits it has is: 11
- The sum of 21315838824's digits is 45
- More coming soon!
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The information we have on file for 21315838824 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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