21342139728
21,342,139,728 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21342139728 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 480 divisors.
21342139728 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21342139728:
24 × 3 × 72 × 13 × 17 × 19 × 2161
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 13 × 17 × 19 × 2161)See below for interesting mathematical facts about the number 21342139728 from the Numbermatics database.
Names of 21342139728
- Cardinal: 21342139728 can be written as Twenty-one billion, three hundred forty-two million, one hundred thirty-nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1342139728 × 1010
Factors of 21342139728
Divisors of 21342139728
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 17 19 21 24 26 28 34 38 39 42 48 49 51 52 56 57 68 76 78 84 91 98 102 104 112 114 119 133 136 147 152 156 168 182 196 204 208 221 228 238 247 266 272 273 294 304 312 323 336 357 364 392 399 408 442 456 476 494 532 546 588 624 637 646 663 714 728 741 784 798 816 833 884 912 931 952 969 988 1064 1092 1176 1274 1292 1326 1428 1456 1482 1547 1596 1666 1729 1768 1862 1904 1911 1938 1976 2128 2161 2184 2261 2352 2499 2548 2584 2652 2793 2856 2964 3094 3192 3332 3458 3536 3724 3822 3876 3952 4199 4322 4368 4522 4641 4998 5096 5168 5187 5304 5586 5712 5928 6188 6384 6483 6664 6783 6916 7448 7644 7752 8398 8644 9044 9282 9996 10192 10374 10608 10829 11172 11856 12103 12376 12597 12966 13328 13566 13832 14896 15127 15288 15504 15827 16796 17288 18088 18564 19992 20748 21658 22344 24206 24752 25194 25932 27132 27664 28093 29393 30254 30576 31654 32487 33592 34576 36176 36309 36737 37128 39984 41059 41496 43316 44688 45381 47481 48412 50388 51864 54264 56186 58786 60508 63308 64974 67184 72618 73474 74256 82118 82992 84279 86632 88179 90762 94962 96824 100776 103728 105889 108528 110211 112372 117572 121016 123177 126616 129948 145236 146948 164236 168558 173264 176358 181524 189924 193648 196651 201552 205751 211778 220422 224744 235144 242032 246354 253232 257159 259896 287413 290472 293896 317667 328472 337116 352716 363048 379848 393302 411502 423556 440844 449488 470288 477581 492708 514318 519792 533767 574826 580944 587792 589953 617253 635334 656944 674232 698003 705432 726096 759696 771477 786604 823004 847112 862239 881688 955162 985416 1028636 1067534 1149652 1179906 1234506 1270668 1348464 1376557 1396006 1410864 1432743 1542954 1573208 1601301 1646008 1694224 1724478 1763376 1800113 1910324 1970832 2011891 2057272 2094009 2135068 2299304 2359812 2469012 2541336 2753114 2792012 2865486 3085908 3146416 3202602 3292016 3343067 3448956 3600226 3736369 3820648 4023782 4114544 4129671 4188018 4270136 4598608 4719624 4886021 4938024 5082672 5400339 5506228 5584024 5730972 6035673 6171816 6405204 6686134 6897912 7200452 7472738 7641296 8047564 8259342 8376036 8540272 9074039 9439248 9772042 9876048 10029201 10800678 11012456 11168048 11209107 11461944 12071346 12343632 12810408 13372268 13795824 14400904 14658063 14945476 16095128 16518684 16752072 18148078 19544084 20058402 21601356 22024912 22418214 22923888 23401469 24142692 25620816 26154583 26744536 27222117 28801808 29316126 29890952 32190256 33037368 33504144 34202147 36296156 39088168 40116804 43202712 44836428 46802938 48285384 52309166 53489072 54444234 58632252 59781904 63518273 66074736 68404294 70204407 72592312 78176336 78463749 80233608 86405424 89672856 93605876 96570768 102606441 104618332 108888468 117264504 127036546 136808588 140408814 145184624 156927498 160467216 179345712 187211752 190554819 205212882 209236664 217776936 234529008 254073092 273617176 280817628 313854996 374423504 381109638 410425764 418473328 435553872 444627911 508146184 547234352 561635256 627709992 762219276 820851528 889255822 1016292368 1123270512 1255419984 1333883733 1524438552 1641703056 1778511644 2667767466 3048877104 3557023288 5335534932 7114046576 10671069864 21342139728
- Sum of all divisors σ(n): 77016320640
- Sum of proper divisors (its aliquot sum) s(n): 55674180912
- 21342139728 is an abundant number, because the sum of its proper divisors (55674180912) is greater than itself. Its abundance is 34332041184
Bases of 21342139728
- Binary: 100111110000001011100110101010100002
- Hexadecimal: 0x4F8173550
- Base-36: 9SYK4EO
Squares and roots of 21342139728
- 21342139728 squared (213421397282) is 455486928169475913984
- 21342139728 cubed (213421397283) is 9721065665270454220777037156352
-
The
square root of 21342139728 is 146089.4921888635 -
The
cube root of 21342139728 is 2773.8266707171
Scales and comparisons
How big is 21342139728?- 21,342,139,728 seconds is equal to 678 years, 31 weeks, 6 days, 12 hours, 8 minutes, 48 seconds.
-
To count from 1 to 21,342,139,728 would take you about one thousand, three hundred fifty-seven 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 21342139728 cubic inches would be around 231.2 feet tall.
Recreational maths with 21342139728
- 21342139728 backwards is 82793124312
- 21342139728 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21342139728's digits is 42
- More coming soon!
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The information we have on file for 21342139728 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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