21354729984
21,354,729,984 is an even composite number composed of five prime numbers multiplied together.
21354729984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21354729984:
29 × 32 × 73 × 59 × 229
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 7 × 59 × 229)See below for interesting mathematical facts about the number 21354729984 from the Numbermatics database.
Names of 21354729984
- Cardinal: 21354729984 can be written as Twenty-one billion, three hundred fifty-four million, seven hundred twenty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1354729984 × 1010
Factors of 21354729984
Divisors of 21354729984
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 59 63 64 72 84 96 98 112 118 126 128 144 147 168 177 192 196 224 229 236 252 256 288 294 336 343 354 384 392 413 441 448 458 472 504 512 531 576 588 672 686 687 708 768 784 826 882 896 916 944 1008 1029 1062 1152 1176 1239 1344 1372 1374 1416 1536 1568 1603 1652 1764 1792 1832 1888 2016 2058 2061 2124 2304 2352 2478 2688 2744 2748 2832 2891 3087 3136 3206 3304 3528 3584 3664 3717 3776 4032 4116 4122 4248 4608 4704 4809 4956 5376 5488 5496 5664 5782 6174 6272 6412 6608 7056 7328 7434 7552 8064 8232 8244 8496 8673 9408 9618 9912 10752 10976 10992 11221 11328 11564 12348 12544 12824 13216 13511 14112 14427 14656 14868 15104 16128 16464 16488 16992 17346 18816 19236 19824 20237 21952 21984 22442 22656 23128 24696 25088 25648 26019 26432 27022 28224 28854 29312 29736 30208 32256 32928 32976 33663 33984 34692 37632 38472 39648 40474 40533 43904 43968 44884 45312 46256 49392 51296 52038 52864 54044 56448 57708 58624 59472 60711 65856 65952 67326 67968 69384 75264 76944 78547 79296 80948 81066 87808 87936 89768 90624 92512 94577 98784 100989 102592 104076 105728 108088 112896 115416 117248 118944 121422 121599 131712 131904 134652 135936 138768 153888 157094 158592 161896 162132 175616 175872 179536 182133 185024 189154 197568 201978 205184 208152 211456 216176 225792 230832 235641 237888 242844 243198 263424 263808 269304 271872 277536 283731 307776 314188 317184 323792 324264 351744 359072 364266 370048 378308 395136 403956 410368 416304 432352 461664 471282 475776 485688 486396 526848 527616 538608 555072 567462 615552 628376 634368 647584 648528 662039 706923 718144 728532 740096 756616 790272 807912 820736 832608 851193 864704 923328 942564 951552 971376 972792 1055232 1077216 1110144 1134924 1231104 1256752 1295168 1297056 1324078 1413846 1436288 1457064 1480192 1513232 1580544 1615824 1665216 1702386 1729408 1846656 1885128 1903104 1942752 1945584 1986117 2154432 2220288 2269848 2462208 2513504 2590336 2594112 2648156 2827692 2872576 2914128 3026464 3231648 3330432 3404772 3458816 3693312 3770256 3885504 3891168 3972234 4308864 4440576 4539696 4634273 5027008 5180672 5188224 5296312 5655384 5745152 5828256 5958351 6052928 6463296 6660864 6809544 6917632 7386624 7540512 7771008 7782336 7944468 8617728 9079392 9268546 10054016 10361344 10376448 10592624 11310768 11656512 11916702 12105856 12926592 13321728 13619088 13902819 15081024 15542016 15564672 15888936 17235456 18158784 18537092 20108032 20752896 21185248 22621536 23313024 23833404 24211712 25853184 27238176 27805638 30162048 31084032 31129344 31777872 36317568 37074184 40216064 41708457 42370496 45243072 46626048 47666808 48423424 51706368 54476352 55611276 60324096 62258688 63555744 72635136 74148368 83416914 84740992 90486144 93252096 95333616 108952704 111222552 120648192 127111488 145270272 148296736 166833828 169481984 180972288 190667232 217905408 222445104 254222976 296593472 333667656 338963968 361944576 381334464 435810816 444890208 508445952 593186944 667335312 762668928 889780416 1016891904 1186373888 1334670624 1525337856 1779560832 2372747776 2669341248 3050675712 3559121664 5338682496 7118243328 10677364992 21354729984
- Sum of all divisors σ(n): 73410480000
- Sum of proper divisors (its aliquot sum) s(n): 52055750016
- 21354729984 is an abundant number, because the sum of its proper divisors (52055750016) is greater than itself. Its abundance is 30701020032
Bases of 21354729984
- Binary: 100111110001101011101010010000000002
- Hexadecimal: 0x4F8D75200
- Base-36: 9T61Z40
Squares and roots of 21354729984
- 21354729984 squared (213547299842) is 456024492689548640256
- 21354729984 cubed (213547299843) is 9738279907475893151501232635904
-
The
square root of 21354729984 is 146132.5767377007 -
The
cube root of 21354729984 is 2774.3720131435
Scales and comparisons
How big is 21354729984?- 21,354,729,984 seconds is equal to 679 years, 5 days, 5 hours, 26 minutes, 24 seconds.
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To count from 1 to 21,354,729,984 would take you about one thousand, three hundred fifty-eight 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 21354729984 cubic inches would be around 231.2 feet tall.
Recreational maths with 21354729984
- 21354729984 backwards is 48992745312
- The number of decimal digits it has is: 11
- The sum of 21354729984's digits is 54
- More coming soon!
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