21842161982991
21,842,161,982,991 is an odd composite number composed of six prime numbers multiplied together.
21842161982991 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21842161982991:
33 × 7 × 17 × 192 × 37 × 508951
(3 × 3 × 3 × 7 × 17 × 19 × 19 × 37 × 508951)See below for interesting mathematical facts about the number 21842161982991 from the Numbermatics database.
Names of 21842161982991
- Cardinal: 21842161982991 can be written as Twenty-one trillion, eight hundred forty-two billion, one hundred sixty-one million, nine hundred eighty-two thousand, nine hundred ninety-one.
Scientific notation
- Scientific notation: 2.1842161982991 × 1013
Factors of 21842161982991
Divisors of 21842161982991
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 7 9 17 19 21 27 37 51 57 63 111 119 133 153 171 189 259 323 333 357 361 399 459 513 629 703 777 969 999 1071 1083 1197 1887 2109 2261 2331 2527 2907 3213 3249 3591 4403 4921 5661 6137 6327 6783 6993 7581 8721 9747 11951 13209 13357 14763 16983 18411 18981 20349 22743 35853 39627 40071 42959 44289 55233 61047 68229 83657 93499 107559 118881 120213 128877 132867 165699 227069 250971 280497 322677 360639 386631 508951 681207 752913 841491 1159893 1526853 1589483 2043621 2258739 2524473 3562657 4580559 4768449 6130863 8652167 9670069 10687971 13741677 14305347 18831187 25956501 29010207 32063913 42916041 56493561 60565169 67690483 77869503 87030621 96191739 131818309 164391173 169480683 181695507 183731311 203071449 233608509 261091863 320130179 357792553 395454927 493173519 508442049 545086521 551193933 609214347 960390537 1073377659 1150738211 1186364781 1286119177 1479520557 1635259563 1653581799 1827643041 2240911253 2504547871 2881171611 3123432287 3220132977 3452214633 3559094343 3858357531 4438561671 4960745397 6082473401 6722733759 6798058507 7513643613 8643514833 9370296861 9660398931 10356643899 11575072593 18247420203 20168201277 20394175521 21864026009 22540930839 28110890583 31069931697 34725217779 42577313807 47586409549 54742260609 60504603831 61182526563 65592078027 67622792517 84332671749 115566994619 127731941421 142759228647 164226781827 183547579689 196776234081 346700983857 383195824263 428277685941 590328702243 808968962333 1040102951571 1149587472789 1284833057823 2426906886999 3120308854713 7280720660997 21842161982991
- Sum of all divisors σ(n): 42443176642560
- Sum of proper divisors (its aliquot sum) s(n): 20601014659569
- 21842161982991 is a deficient number, because the sum of its proper divisors (20601014659569) is less than itself. Its deficiency is 1241147323422
Bases of 21842161982991
- Binary: 1001111011101100001100100111001011110000011112
- Hexadecimal: 0x13DD864E5E0F
- Base-36: 7QQ5FAOLR
Squares and roots of 21842161982991
- 21842161982991 squared (218421619829912) is 477080040091217333373306081
- 21842161982991 cubed (218421619829913) is 10420459514524209370836242273440558868271
-
The
square root of 21842161982991 is 4673559.8833213853 -
The
cube root of 21842161982991 is 27953.2220572155
Scales and comparisons
How big is 21842161982991?- 21,842,161,982,991 seconds is equal to 694,513 years, 9 weeks, 5 days, 17 hours, 29 minutes, 51 seconds.
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To count from 1 to 21,842,161,982,991 would take you about one million, seven hundred thirty-six thousand, two hundred eighty-two 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 21842161982991 cubic inches would be around 2329.4 feet tall.
Recreational maths with 21842161982991
- 21842161982991 backwards is 19928916124812
- 21842161982991 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21842161982991's digits is 63
- More coming soon!
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