21216722688
21,216,722,688 is an even composite number composed of five prime numbers multiplied together.
21216722688 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred four divisors.
Prime factorization of 21216722688:
28 × 36 × 7 × 109 × 149
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 109 × 149)See below for interesting mathematical facts about the number 21216722688 from the Numbermatics database.
Names of 21216722688
- Cardinal: 21216722688 can be written as Twenty-one billion, two hundred sixteen million, seven hundred twenty-two thousand, six hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1216722688 × 1010
Factors of 21216722688
Divisors of 21216722688
- Number of divisors d(n): 504
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 109 112 126 128 144 149 162 168 189 192 216 218 224 243 252 256 288 298 324 327 336 378 384 432 436 447 448 486 504 567 576 596 648 654 672 729 756 763 768 864 872 894 896 972 981 1008 1043 1134 1152 1192 1296 1308 1341 1344 1458 1512 1526 1701 1728 1744 1788 1792 1944 1962 2016 2086 2268 2289 2304 2384 2592 2616 2682 2688 2916 2943 3024 3052 3129 3402 3456 3488 3576 3888 3924 4023 4032 4172 4536 4578 4768 5103 5184 5232 5364 5376 5832 5886 6048 6104 6258 6804 6867 6912 6976 7152 7776 7848 8046 8064 8344 8829 9072 9156 9387 9536 10206 10368 10464 10728 11664 11772 12069 12096 12208 12516 13608 13734 13952 14304 15552 15696 16092 16128 16241 16688 17658 18144 18312 18774 19072 20412 20601 20736 20928 21456 23328 23544 24138 24192 24416 25032 26487 27216 27468 27904 28161 28608 31104 31392 32184 32482 33376 35316 36207 36288 36624 37548 38144 40824 41202 41856 42912 46656 47088 48276 48384 48723 48832 50064 52974 54432 54936 56322 57216 61803 62208 62784 64368 64964 66752 70632 72414 72576 73248 75096 79461 81648 82404 83712 84483 85824 93312 94176 96552 97446 97664 100128 105948 108621 108864 109872 112644 113687 114432 123606 125568 128736 129928 133504 141264 144828 145152 146169 146496 150192 158922 163296 164808 168966 171648 185409 186624 188352 193104 194892 195328 200256 211896 217242 217728 219744 225288 227374 247212 251136 253449 257472 259856 267008 282528 289656 292338 292992 300384 317844 326592 329616 337932 341061 343296 370818 376704 386208 389784 400512 423792 434484 435456 438507 439488 450576 454748 494424 506898 514944 519712 556227 565056 579312 584676 585984 600768 635688 653184 659232 675864 682122 741636 753408 760347 772416 779568 801024 847584 868968 877014 878976 901152 909496 988848 1013796 1023183 1029888 1039424 1112454 1130112 1158624 1169352 1201536 1271376 1306368 1315521 1318464 1351728 1364244 1483272 1520694 1544832 1559136 1695168 1737936 1754028 1757952 1802304 1818992 1977696 2027592 2046366 2078848 2224908 2260224 2317248 2338704 2403072 2542752 2631042 2636928 2703456 2728488 2966544 3041388 3069549 3089664 3118272 3390336 3475872 3508056 3604608 3637984 3946563 3955392 4055184 4092732 4157696 4449816 4634496 4677408 5085504 5262084 5273856 5406912 5456976 5933088 6082776 6139098 6236544 6780672 6951744 7016112 7209216 7275968 7893126 7910784 8110368 8185464 8899632 9208647 9268992 9354816 10171008 10524168 10813824 10913952 11839689 11866176 12165552 12278196 12473088 13903488 14032224 14551936 15786252 15821568 16220736 16370928 17799264 18417294 18709632 20342016 21048336 21627648 21827904 23679378 23732352 24331104 24556392 27625941 27806976 28064448 29103872 31572504 32441472 32741856 35598528 36834588 37419264 42096672 43655808 47358756 47464704 48662208 49112784 55251882 56128896 63145008 64882944 65483712 71197056 73669176 82877823 84193344 87311616 94717512 97324416 98225568 110503764 112257792 126290016 130967424 142394112 147338352 165755646 168386688 189435024 194648832 196451136 221007528 252580032 261934848 294676704 331511292 336773376 378870048 392902272 442015056 505160064 589353408 663022584 757740096 785804544 884030112 1010320128 1178706816 1326045168 1515480192 1768060224 2357413632 2652090336 3030960384 3536120448 5304180672 7072240896 10608361344 21216722688
- Sum of all divisors σ(n): 73725036000
- Sum of proper divisors (its aliquot sum) s(n): 52508313312
- 21216722688 is an abundant number, because the sum of its proper divisors (52508313312) is greater than itself. Its abundance is 31291590624
Bases of 21216722688
- Binary: 100111100001001110101111111000000002
- Hexadecimal: 0x4F09D7F00
- Base-36: 9QVW000
Squares and roots of 21216722688
- 21216722688 squared (212167226882) is 450149321619493945344
- 21216722688 cubed (212167226883) is 9550693324992126093258676764672
-
The
square root of 21216722688 is 145659.6124119519 -
The
cube root of 21216722688 is 2768.3825303577
Scales and comparisons
How big is 21216722688?- 21,216,722,688 seconds is equal to 674 years, 32 weeks, 3 days, 22 hours, 4 minutes, 48 seconds.
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To count from 1 to 21,216,722,688 would take you about one thousand, three hundred forty-nine 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 21216722688 cubic inches would be around 230.7 feet tall.
Recreational maths with 21216722688
- 21216722688 backwards is 88622761212
- The number of decimal digits it has is: 11
- The sum of 21216722688's digits is 45
- More coming soon!
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