21681015838443
21,681,015,838,443 is an odd composite number composed of four prime numbers multiplied together.
21681015838443 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21681015838443:
311 × 132 × 232 × 372
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 13 × 23 × 23 × 37 × 37)See below for interesting mathematical facts about the number 21681015838443 from the Numbermatics database.
Names of 21681015838443
- Cardinal: 21681015838443 can be written as Twenty-one trillion, six hundred eighty-one billion, fifteen million, eight hundred thirty-eight thousand, four hundred forty-three.
Scientific notation
- Scientific notation: 2.1681015838443 × 1013
Factors of 21681015838443
Divisors of 21681015838443
- Number of divisors d(n): 324
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Complete list of divisors:
1 3 9 13 23 27 37 39 69 81 111 117 169 207 243 299 333 351 481 507 529 621 729 851 897 999 1053 1369 1443 1521 1587 1863 2187 2553 2691 2997 3159 3887 4107 4329 4563 4761 5589 6253 6561 6877 7659 8073 8991 9477 11063 11661 12321 12987 13689 14283 16767 17797 18759 19573 19683 20631 22977 24219 26973 28431 31487 33189 34983 36963 38961 41067 42849 50301 53391 56277 58719 59049 61893 68931 72657 80919 85293 89401 94461 99567 104949 110889 116883 123201 128547 143819 150903 160173 168831 176157 177147 185679 206793 217971 231361 242757 254449 255879 268203 283383 298701 314847 332667 350649 369603 385641 409331 431457 452709 480519 506493 528471 557037 620379 653913 694083 724201 728271 763347 767637 804609 850149 896103 944541 998001 1051947 1108809 1156923 1227993 1294371 1358127 1441557 1519479 1585413 1671111 1861137 1961739 2082249 2172603 2184813 2290041 2302911 2413827 2550447 2688309 2833623 2994003 3155841 3307837 3326427 3470769 3683979 3883113 4074381 4324671 4558437 4756239 5013333 5321303 5583411 5885217 6246747 6517809 6554439 6870123 7241481 7651341 8064927 8500869 8982009 9414613 9467523 9923511 9979281 10412307 11051937 11649339 12974013 13675311 14268717 15039999 15963909 16750233 17655651 18740241 19553427 20610369 21724443 22954023 24194781 25502607 26946027 28243839 28402569 29770533 29937843 31236921 33155811 34948017 38922039 41025933 42806151 45119997 47891727 50250699 52966953 56220723 58660281 61831107 65173329 68862069 72584343 76507821 80838081 84731517 85207707 89311599 93710763 99467433 104844051 116766117 122389969 123077799 128418453 135359991 143675181 150752097 168662169 175980843 185493321 195519987 206586207 217753029 229523463 242514243 254194551 267934797 298402299 314532153 350298351 367169907 369233397 385255359 406079973 431025543 505986507 527942529 556479963 586559961 619758621 653259087 688570389 762583653 803804391 895206897 943596459 1050895053 1101509721 1107700191 1155766077 1218239919 1293076629 1517959521 1583827587 1669439889 1759679883 1859275863 1959777261 2287750959 2411413173 2685620691 2830789377 3152685159 3304529163 3467298231 3879229887 4553878563 4751482761 5008319667 5279039649 5577827589 6863252877 7234239519 8056862073 8492368131 9913587489 11637689661 13661635689 14254448283 15024959001 15837118947 20589758631 21702718557 24170586219 25477104393 29740762467 34913068983 40984907067 42763344849 45074877003 61769275893 65108155671 72511758657 89222287401 104739206949 128290034547 185307827679 195324467013 267666862203 314217620847 555923483037 585973401039 803000586609 942652862541 1667770449111 2409001759827 7227005279481 21681015838443
- Sum of all divisors σ(n): 37835071779960
- Sum of proper divisors (its aliquot sum) s(n): 16154055941517
- 21681015838443 is a deficient number, because the sum of its proper divisors (16154055941517) is less than itself. Its deficiency is 5526959896926
Bases of 21681015838443
- Binary: 1001110111000000000010011111101010110111010112
- Hexadecimal: 0x13B8013F56EB
- Base-36: 7OO4D1JOR
Squares and roots of 21681015838443
- 21681015838443 squared (216810158384432) is 470066447786816222276664249
- 21681015838443 cubed (216810158384433) is 10191518099586601999145245586845937924307
-
The
square root of 21681015838443 is 4656287.7744446809 -
The
cube root of 21681015838443 is 27884.3082834917
Scales and comparisons
How big is 21681015838443?- 21,681,015,838,443 seconds is equal to 689,389 years, 12 weeks, 3 days, 7 hours, 34 minutes, 3 seconds.
-
To count from 1 to 21,681,015,838,443 would take you about one million, seven hundred twenty-three thousand, four hundred seventy-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 21681015838443 cubic inches would be around 2323.7 feet tall.
Recreational maths with 21681015838443
- 21681015838443 backwards is 34483851018612
- The number of decimal digits it has is: 14
- The sum of 21681015838443's digits is 54
- More coming soon!
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The information we have on file for 21681015838443 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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