21388432288308309
21,388,432,288,308,309 is an odd composite number composed of four prime numbers multiplied together.
21388432288308309 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21388432288308309:
32 × 73 × 594 × 833
(3 × 3 × 7 × 7 × 7 × 59 × 59 × 59 × 59 × 83 × 83 × 83)See below for interesting mathematical facts about the number 21388432288308309 from the Numbermatics database.
Names of 21388432288308309
- Cardinal: 21388432288308309 can be written as Twenty-one quadrillion, three hundred eighty-eight trillion, four hundred thirty-two billion, two hundred eighty-eight million, three hundred eight thousand, three hundred nine.
Scientific notation
- Scientific notation: 2.1388432288308309 × 1016
Factors of 21388432288308309
Divisors of 21388432288308309
- Number of divisors d(n): 240
-
Complete list of divisors:
1 3 7 9 21 49 59 63 83 147 177 249 343 413 441 531 581 747 1029 1239 1743 2891 3087 3481 3717 4067 4897 5229 6889 8673 10443 12201 14691 20237 20667 24367 26019 28469 31329 34279 36603 44073 48223 60711 62001 73101 85407 102837 144669 170569 182133 205379 219303 239953 256221 288923 308511 337561 406451 434007 511707 571787 616137 719859 866769 1012683 1193983 1219353 1437653 1535121 1679671 1715361 1848411 2022461 2159577 2362927 2600307 2845157 3038049 3581949 3658059 4002509 4312959 5039013 5146083 6067383 7088781 8535471 10063571 10745847 12007527 12117361 12938877 14157227 15117039 17046457 18202149 19916099 21266343 23980609 25606413 28017563 30190713 33735433 36022581 36352083 42471681 51139371 59748297 70444997 71941827 84052689 84821527 90572139 99100589 101206299 109056249 119325199 127415043 139412693 153418113 167864263 179244891 196122941 211334991 215825481 236148031 252158067 254464581 297301767 303618897 357975597 418238079 503592789 588368823 593750689 634004973 708444093 763393743 835276393 891905301 1005740963 1073926791 1175049841 1254714237 1414855931 1510778367 1653036217 1765106469 1781252067 1990390547 2125332279 2505829179 3017222889 3525149523 4156254823 4244567793 4959108651 5343756201 5846934751 5971171641 7040186741 7517487537 8225348887 9051668667 9903991517 10575448569 11571253519 12468764469 12733703379 13932733829 14877325953 17540804253 17913514923 21120560223 24676046661 29711974551 34713760557 37406293407 41798201487 49281307187 52622412759 63361680669 69327940619 74028139983 83476499929 89135923653 97529136803 104141281671 117433042273 125394604461 147843921561 207983821857 250429499787 292587410409 344969150309 352299126819 443531764683 485295584333 584335499503 623951465571 682703957621 751288499361 822031295911 877762231227 1034907450927 1056897380457 1455886752999 1753006498509 2048111872863 2466093887733 3104722352781 4090348496521 4367660258997 5259019495527 5754219071377 6144335618589 6928549494107 7398281663199 12271045489563 17262657214131 20785648482321 28632439475647 36813136468689 40279533499639 48499846458749 51787971642393 62356945446963 85897318426941 120838600498917 145499539376247 257691955280823 339498925211243 362515801496751 436498618128741 1018496775633729 2376492476478701 3055490326901187 7129477429436103 21388432288308309
- Sum of all divisors σ(n): 37096583636112000
- Sum of proper divisors (its aliquot sum) s(n): 15708151347803691
- 21388432288308309 is a deficient number, because the sum of its proper divisors (15708151347803691) is less than itself. Its deficiency is 5680280940504618
Bases of 21388432288308309
- Binary: 10010111111110010101010011101001101100011011100010101012
- Hexadecimal: 0x4BFCAA74D8DC55
- Base-36: 5ULKE5BI2J9
Squares and roots of 21388432288308309
- 21388432288308309 squared (213884322883083092) is 457465035751549407284657038439481
- 21388432288308309 cubed (213884322883083093) is 9784459941440554276501945454175977881226765947629
-
The
square root of 21388432288308309 is 146247845.4142429717 -
The
cube root of 21388432288308309 is 277583.0762312705
Scales and comparisons
How big is 21388432288308309?- 21,388,432,288,308,309 seconds is equal to 680,085,988 years, 1 day, 4 hours, 45 minutes, 9 seconds.
-
To count from 1 to 21,388,432,288,308,309 would take you about two billion, forty million, two hundred fifty-seven thousand, nine hundred sixty-four 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 21388432288308309 cubic inches would be around 23131.9 feet tall.
Recreational maths with 21388432288308309
- 21388432288308309 backwards is 90380388223488312
- The number of decimal digits it has is: 17
- The sum of 21388432288308309's digits is 72
- More coming soon!
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