21438394573680
21,438,394,573,680 is an even composite number composed of six prime numbers multiplied together.
21438394573680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21438394573680:
24 × 33 × 5 × 7 × 31 × 67632
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 31 × 6763 × 6763)See below for interesting mathematical facts about the number 21438394573680 from the Numbermatics database.
Names of 21438394573680
- Cardinal: 21438394573680 can be written as Twenty-one trillion, four hundred thirty-eight billion, three hundred ninety-four million, five hundred seventy-three thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.143839457368 × 1013
Factors of 21438394573680
Divisors of 21438394573680
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 31 35 36 40 42 45 48 54 56 60 62 63 70 72 80 84 90 93 105 108 112 120 124 126 135 140 144 155 168 180 186 189 210 216 217 240 248 252 270 279 280 310 315 336 360 372 378 420 432 434 465 496 504 540 558 560 620 630 651 720 744 756 837 840 868 930 945 1008 1080 1085 1116 1240 1260 1302 1395 1488 1512 1674 1680 1736 1860 1890 1953 2160 2170 2232 2480 2520 2604 2790 3024 3255 3348 3472 3720 3780 3906 4185 4340 4464 5040 5208 5580 5859 6510 6696 6763 7440 7560 7812 8370 8680 9765 10416 11160 11718 13020 13392 13526 15120 15624 16740 17360 19530 20289 22320 23436 26040 27052 29295 31248 33480 33815 39060 40578 46872 47341 52080 54104 58590 60867 66960 67630 78120 81156 93744 94682 101445 108208 117180 121734 135260 142023 156240 162312 182601 189364 202890 209653 234360 236705 243468 270520 284046 304335 324624 365202 378728 405780 419306 426069 468720 473410 486936 541040 568092 608670 628959 710115 730404 757456 811560 838612 852138 913005 946820 973872 1048265 1136184 1217340 1257918 1278207 1420230 1460808 1467571 1623120 1677224 1704276 1826010 1886877 1893640 2096530 2130345 2272368 2434680 2515836 2556414 2840460 2921616 2935142 3144795 3354448 3408552 3652020 3773754 3787280 4193060 4260690 4402713 4869360 5031672 5112828 5660631 5680920 5870284 6289590 6391035 6817104 7304040 7337855 7547508 8386120 8521380 8805426 9434385 10063344 10225656 11321262 11361840 11740568 12579180 12782070 13208139 14608080 14675710 15095016 16772240 17042760 17610852 18868770 20451312 22013565 22642524 23481136 25158360 25564140 26416278 28303155 29351420 30190032 34085520 35221704 37737540 39624417 44027130 45285048 45738169 50316720 51128280 52832556 56606310 58702840 66040695 70443408 75475080 79248834 88054260 90570096 91476338 102256560 105665112 113212620 117405680 132081390 137214507 150950160 158497668 176108520 182952676 198122085 211330224 226425240 228690845 264162780 274429014 316995336 320167183 352217040 365905352 396244170 411643521 452850480 457381690 528325560 548858028 633990672 640334366 686072535 731810704 792488340 823287042 914763380 960501549 1056651120 1097716056 1234930563 1280668732 1372145070 1417883239 1584976680 1600835915 1646574084 1829526760 1921003098 2058217605 2195432112 2469861126 2561337464 2744290140 2835766478 2881504647 3169953360 3201671830 3293148168 3659053520 3842006196 4116435210 4253649717 4802507745 4939722252 5122674928 5488580280 5671532956 5763009294 6174652815 6403343660 6586296336 7089416195 7684012392 8232870420 8507299434 8644513941 9605015490 9879444504 9925182673 10977160560 11343065912 11526018588 12349305630 12760949151 12806687320 14178832390 14407523235 15368024784 16465740840 17014598868 17289027882 19210030980 19758889008 19850365346 21268248585 22686131824 23052037176 24698611260 25521898302 25613374640 28357664780 28815046470 29775548019 32931481680 34029197736 34578055764 38282847453 38420061960 39700730692 42536497170 43222569705 46104074352 49397222520 49625913365 51043796604 56715329560 57630092940 59551096038 63804745755 68058395472 69156111528 76565694906 76840123920 79401461384 85072994340 86445139410 89326644057 98794445040 99251826730 102087593208 113430659120 115260185880 119102192076 127609491510 138312223056 148877740095 153131389812 158802922768 170145988680 172890278820 178653288114 191414237265 198503653460 204175186416 230520371760 238204384152 255218983020 267979932171 297755480190 306262779624 340291977360 345780557640 357306576228 382828474530 397007306920 446633220285 476408768304 510437966040 535959864342 595510960380 612525559248 691561115280 714613152456 765656949060 794014613840 893266440570 1020875932080 1071919728684 1191021920760 1339899660855 1429226304912 1531313898120 1786532881140 2143839457368 2382043841520 2679799321710 3062627796240 3573065762280 4287678914736 5359598643420 7146131524560 10719197286840 21438394573680
- Sum of all divisors σ(n): 87127629189120
- Sum of proper divisors (its aliquot sum) s(n): 65689234615440
- 21438394573680 is an abundant number, because the sum of its proper divisors (65689234615440) is greater than itself. Its abundance is 44250840041760
Bases of 21438394573680
- Binary: 1001101111111100000111110010010100011011100002
- Hexadecimal: 0x137F83E4A370
- Base-36: 7LKNULTO0
Squares and roots of 21438394573680
- 21438394573680 squared (214383945736802) is 459604761896792068948742400
- 21438394573680 cubed (214383945736803) is 9853188233485675515149979490220140032000
-
The
square root of 21438394573680 is 4630161.3982322473 -
The
cube root of 21438394573680 is 27779.9048114703
Scales and comparisons
How big is 21438394573680?- 21,438,394,573,680 seconds is equal to 681,674 years, 32 weeks, 6 days, 19 hours, 48 minutes.
-
To count from 1 to 21,438,394,573,680 would take you about one million, seven hundred four thousand, one hundred eighty-six 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 21438394573680 cubic inches would be around 2315 feet tall.
Recreational maths with 21438394573680
- 21438394573680 backwards is 08637549383412
- 21438394573680 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21438394573680's digits is 63
- More coming soon!
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