21123450216
21,123,450,216 is an even composite number composed of six prime numbers multiplied together.
21123450216 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21123450216:
23 × 34 × 11 × 97 × 137 × 223
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 11 × 97 × 137 × 223)See below for interesting mathematical facts about the number 21123450216 from the Numbermatics database.
Names of 21123450216
- Cardinal: 21123450216 can be written as Twenty-one billion, one hundred twenty-three million, four hundred fifty thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.1123450216 × 1010
Factors of 21123450216
Divisors of 21123450216
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 97 99 108 132 137 162 194 198 216 223 264 274 291 297 324 388 396 411 446 548 582 594 648 669 776 792 822 873 891 892 1067 1096 1164 1188 1233 1338 1507 1644 1746 1782 1784 2007 2134 2328 2376 2453 2466 2619 2676 3014 3201 3288 3492 3564 3699 4014 4268 4521 4906 4932 5238 5352 6021 6028 6402 6984 7128 7359 7398 7857 8028 8536 9042 9603 9812 9864 10476 11097 12042 12056 12804 13289 13563 14718 14796 15714 16056 18063 18084 19206 19624 20952 21631 22077 22194 24084 25608 26578 27126 28809 29436 29592 30551 31428 36126 36168 38412 39867 40689 43262 44154 44388 48168 53156 54252 57618 58872 61102 62856 64893 66231 72252 76824 79734 81378 86427 86524 88308 88776 91653 106312 108504 115236 119601 122067 122204 129786 132462 144504 146179 159468 162756 172854 173048 176616 183306 194679 198693 230472 237941 239202 244134 244408 259572 264924 274959 292358 318936 325512 336061 345708 358803 366612 389358 397386 438537 475882 478404 488268 519144 529848 549918 584037 584716 672122 691416 713823 717606 733224 778716 794772 824877 877074 951764 956808 976536 1008183 1076409 1099836 1168074 1169432 1315611 1344244 1427646 1435212 1557432 1589544 1649754 1752111 1754148 1903528 2016366 2141469 2152818 2199672 2336148 2474631 2631222 2688488 2855292 2870424 2963447 3024549 3299508 3504222 3508296 3946833 4032732 4282938 4305636 4672296 4949262 5262444 5710584 5926894 6049098 6424407 6599016 7008444 7893666 8065464 8565876 8611272 8890341 9073647 9898524 10524888 11840499 11853788 12098196 12848814 14016888 15787332 17131752 17780682 18147294 19273221 19797048 23680998 23707576 24196392 25697628 26671023 27220941 31574664 32597917 35561364 36294588 38546442 47361996 51395256 53342046 54441882 65195834 71122728 72589176 77092884 80013069 94723992 97793751 106684092 108883764 130391668 154185768 160026138 195587502 213368184 217767528 240039207 260783336 293381253 320052276 391175004 480078414 586762506 640104552 782350008 880143759 960156828 1173525012 1760287518 1920313656 2347050024 2640431277 3520575036 5280862554 7041150072 10561725108 21123450216
- Sum of all divisors σ(n): 65979809280
- Sum of proper divisors (its aliquot sum) s(n): 44856359064
- 21123450216 is an abundant number, because the sum of its proper divisors (44856359064) is greater than itself. Its abundance is 23732908848
Bases of 21123450216
- Binary: 100111010110000111001000101011010002
- Hexadecimal: 0x4EB0E4568
- Base-36: 9PCCUI0
Squares and roots of 21123450216
- 21123450216 squared (211234502162) is 446200149027830446656
- 21123450216 cubed (211234502163) is 9425286634361157238427059677696
-
The
square root of 21123450216 is 145339.0870206635 -
The
cube root of 21123450216 is 2764.3198043439
Scales and comparisons
How big is 21123450216?- 21,123,450,216 seconds is equal to 671 years, 34 weeks, 2 days, 9 hours, 3 minutes, 36 seconds.
-
To count from 1 to 21,123,450,216 would take you about one thousand, three hundred forty-three 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 21123450216 cubic inches would be around 230.4 feet tall.
Recreational maths with 21123450216
- 21123450216 backwards is 61205432112
- 21123450216 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21123450216's digits is 27
- More coming soon!
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