21285012672
21,285,012,672 is an even composite number composed of seven prime numbers multiplied together.
21285012672 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 21285012672:
26 × 32 × 7 × 11 × 31 × 113 × 137
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 11 × 31 × 113 × 137)See below for interesting mathematical facts about the number 21285012672 from the Numbermatics database.
Names of 21285012672
- Cardinal: 21285012672 can be written as Twenty-one billion, two hundred eighty-five million, twelve thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1285012672 × 1010
Factors of 21285012672
Divisors of 21285012672
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 31 32 33 36 42 44 48 56 62 63 64 66 72 77 84 88 93 96 99 112 113 124 126 132 137 144 154 168 176 186 192 198 217 224 226 231 248 252 264 274 279 288 308 336 339 341 352 372 396 411 434 448 452 462 496 504 528 548 558 576 616 651 672 678 682 693 704 744 791 792 822 868 904 924 959 992 1008 1017 1023 1056 1096 1116 1232 1233 1243 1302 1344 1356 1364 1386 1488 1507 1582 1584 1644 1736 1808 1848 1918 1953 1984 2016 2034 2046 2112 2192 2232 2373 2387 2464 2466 2486 2604 2712 2728 2772 2877 2976 3014 3069 3164 3168 3288 3472 3503 3616 3696 3729 3836 3906 4032 4068 4092 4247 4384 4464 4521 4746 4774 4928 4932 4972 5208 5424 5456 5544 5754 5952 6028 6138 6328 6336 6576 6944 7006 7119 7161 7232 7392 7458 7672 7812 8136 8184 8494 8631 8701 8768 8928 9042 9492 9548 9864 9944 10416 10509 10549 10848 10912 11088 11187 11508 12056 12276 12656 12741 13152 13563 13888 14012 14238 14322 14784 14916 15344 15481 15624 16272 16368 16988 17262 17402 17856 18084 18984 19096 19728 19888 20832 21018 21098 21483 21696 21824 22176 22374 23016 24112 24521 24552 25312 25482 26103 26304 27126 28024 28476 28644 29729 29832 30688 30962 31248 31527 31647 32544 32736 33976 34524 34804 36168 37968 38192 38223 38533 39456 39776 41664 42036 42196 42966 44352 44748 46032 46443 46717 48224 49042 49104 50624 50964 52206 54252 56048 56952 57288 59458 59664 61376 61924 62496 63054 63294 65088 65472 67952 69048 69608 72336 73563 75936 76384 76446 77066 78309 78912 79552 84072 84392 85932 89187 89496 92064 92886 93434 94941 96448 98084 98208 101928 104412 108367 108504 112096 113904 114576 115599 118916 119328 123848 124992 126108 126588 135904 138096 139216 139329 140151 144672 147126 151872 152768 152892 154132 156618 168144 168784 170291 171864 178374 178992 184128 185772 186868 189882 196168 196416 203856 208824 216734 217008 220689 224192 227808 229152 231198 237832 238656 247696 252216 253176 267561 269731 271808 276192 278432 278658 280302 289344 294252 305784 308264 313236 325101 327019 336288 337568 340582 343728 346797 356748 357984 371544 373736 379764 392336 407712 417648 420453 433468 434016 441378 455616 458304 462396 475664 479911 495392 504432 506352 510873 535122 539462 552384 556864 557316 560604 588504 611568 616528 626472 650202 654038 672576 675136 681164 687456 693594 713496 715968 743088 747472 759528 784672 809193 815424 835296 840906 866936 868032 882756 924792 951328 959822 975303 981057 990784 1008864 1012704 1021746 1070244 1078924 1114632 1121208 1177008 1192037 1223136 1233056 1252944 1300404 1308076 1362328 1374912 1387188 1426992 1439733 1486176 1494944 1519056 1532619 1569344 1618386 1670592 1681812 1733872 1765512 1849584 1902656 1919644 1950606 1962114 2017728 2025408 2043492 2140488 2157848 2229264 2242416 2354016 2384074 2427579 2446272 2466112 2505888 2600808 2616152 2724656 2774376 2853984 2879466 2943171 2972352 2989888 3038112 3065238 3236772 3359377 3363624 3467744 3531024 3576111 3699168 3839288 3901212 3924228 4086984 4280976 4315696 4319199 4458528 4484832 4708032 4768148 4855158 5011776 5201616 5232304 5279021 5449312 5548752 5707968 5758932 5886342 6076224 6130476 6473544 6718754 6727248 6935488 7062048 7152222 7398336 7678576 7802424 7848456 8173968 8561952 8631392 8638398 8917056 8969664 9536296 9710316 10078131 10403232 10464608 10558042 10728333 10898624 11097504 11517864 11772684 12260952 12947088 13437508 13454496 14124096 14304444 15357152 15604848 15696912 15837063 16347936 17123904 17262784 17276796 19072592 19420632 20156262 20806464 20929216 21116084 21456666 22195008 23035728 23545368 24521904 25894176 26875016 26908992 28608888 30234393 30714304 31209696 31393824 31674126 32695872 34553592 36953147 38145184 38841264 40312524 42232168 42913332 46071456 47090736 47511189 49043808 51788352 53750032 57217776 60468786 62419392 62787648 63348252 69107184 73906294 76290368 77682528 80625048 84464336 85826664 92142912 94181472 95022378 98087616 107500064 110859441 114435552 120937572 126696504 138214368 147812588 155365056 161250096 168928672 171653328 188362944 190044756 215000128 221718882 228871104 241875144 253393008 276428736 295625176 322500192 332578323 337857344 343306656 380089512 443437764 483750288 506786016 591250352 645000384 665156646 686613312 760179024 886875528 967500576 1013572032 1182500704 1330313292 1520358048 1773751056 1935001152 2365001408 2660626584 3040716096 3547502112 5321253168 7095004224 10642506336 21285012672
- Sum of all divisors σ(n): 79790690304
- Sum of proper divisors (its aliquot sum) s(n): 58505677632
- 21285012672 is an abundant number, because the sum of its proper divisors (58505677632) is greater than itself. Its abundance is 37220664960
Bases of 21285012672
- Binary: 100111101001010111110000100110000002
- Hexadecimal: 0x4F4AF84C0
- Base-36: 9S0JOW0
Squares and roots of 21285012672
- 21285012672 squared (212850126722) is 453051764447200579584
- 21285012672 cubed (212850126723) is 9643212547330623411371184488448
-
The
square root of 21285012672 is 145893.8404182987 -
The
cube root of 21285012672 is 2771.3495347263
Scales and comparisons
How big is 21285012672?- 21,285,012,672 seconds is equal to 676 years, 41 weeks, 3 days, 7 hours, 31 minutes, 12 seconds.
-
To count from 1 to 21,285,012,672 would take you about one thousand, three hundred fifty-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 21285012672 cubic inches would be around 230.9 feet tall.
Recreational maths with 21285012672
- 21285012672 backwards is 27621058212
- 21285012672 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21285012672's digits is 36
- More coming soon!
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The information we have on file for 21285012672 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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