21516977664
21,516,977,664 is an even composite number composed of six prime numbers multiplied together.
21516977664 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 21516977664:
29 × 32 × 7 × 13 × 232 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 13 × 23 × 23 × 97)See below for interesting mathematical facts about the number 21516977664 from the Numbermatics database.
Names of 21516977664
- Cardinal: 21516977664 can be written as Twenty-one billion, five hundred sixteen million, nine hundred seventy-seven thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.1516977664 × 1010
Factors of 21516977664
Divisors of 21516977664
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 23 24 26 28 32 36 39 42 46 48 52 56 63 64 69 72 78 84 91 92 96 97 104 112 117 126 128 138 144 156 161 168 182 184 192 194 207 208 224 234 252 256 273 276 288 291 299 312 322 336 364 368 384 388 414 416 448 468 483 504 512 529 546 552 576 582 598 624 644 672 679 728 736 768 776 819 828 832 873 896 897 936 966 1008 1058 1092 1104 1152 1164 1196 1248 1261 1288 1344 1358 1449 1456 1472 1536 1552 1587 1638 1656 1664 1746 1792 1794 1872 1932 2016 2037 2093 2116 2184 2208 2231 2304 2328 2392 2496 2522 2576 2688 2691 2716 2898 2912 2944 3104 3174 3276 3312 3328 3492 3584 3588 3703 3744 3783 3864 4032 4074 4186 4232 4368 4416 4462 4608 4656 4761 4784 4992 5044 5152 5376 5382 5432 5796 5824 5888 6111 6208 6279 6348 6552 6624 6656 6693 6877 6984 7176 7406 7488 7566 7728 8064 8148 8372 8464 8736 8827 8832 8924 9312 9522 9568 9984 10088 10304 10752 10764 10864 11109 11349 11592 11648 11776 12222 12416 12558 12696 13104 13248 13386 13754 13968 14352 14812 14976 15132 15456 15617 16128 16296 16744 16928 17472 17654 17664 17848 18624 18837 19044 19136 19968 20079 20176 20608 20631 21528 21728 22218 22698 23184 23296 24444 24832 25116 25392 26208 26481 26496 26772 27508 27936 28704 29003 29624 29952 30264 30912 31234 32256 32592 33327 33488 33856 34944 35308 35328 35696 37248 37674 38088 38272 40158 40352 41216 41262 43056 43456 44436 45396 46368 46592 46851 48139 48888 49664 50232 50784 51313 52416 52962 52992 53544 55016 55872 57408 58006 59248 59904 60528 61824 61893 62468 65184 66654 66976 67712 69888 70616 71392 74496 75348 76176 76544 79443 80316 80704 82432 82524 86112 86912 87009 88872 90792 92736 93702 96278 97776 100464 101568 102626 104832 105924 105984 107088 110032 111744 114816 116012 118496 121056 123648 123786 124936 130368 133308 133952 135424 139776 140553 141232 142784 144417 148992 150696 152352 153088 153939 158886 160632 161408 165048 172224 173824 174018 177744 181584 185472 187404 192556 195552 200928 203021 203136 205252 209664 211848 214176 220064 223488 229632 232024 236992 242112 247296 247572 249872 260736 261027 266616 267904 270848 281106 282464 285568 288834 301392 304704 307878 317772 321264 322816 330096 344448 347648 348036 355488 359191 363168 370944 374808 385112 391104 401856 406042 406272 410504 419328 423696 428352 433251 440128 446976 459264 461817 464048 473984 484224 495144 499744 521472 522054 533232 535808 562212 564928 571136 577668 602784 609063 609408 615756 635544 642528 645632 660192 667069 688896 696072 710976 718382 726336 741888 749616 770224 782208 803712 812084 812544 821008 847392 856704 866502 880256 923634 928096 947968 968448 990288 999488 1042944 1044108 1066464 1071616 1077573 1124424 1129856 1142272 1155336 1205568 1218126 1218816 1231512 1271088 1285056 1320384 1334138 1377792 1392144 1421952 1436764 1452672 1499232 1540448 1564416 1607424 1624168 1642016 1694784 1713408 1733004 1760512 1827189 1847268 1856192 1895936 1936896 1980576 1998976 2001207 2088216 2132928 2155146 2248848 2259712 2310672 2411136 2436252 2437632 2463024 2542176 2570112 2640768 2668276 2784288 2843904 2873528 2905344 2998464 3080896 3128832 3214848 3232719 3248336 3284032 3389568 3426816 3466008 3521024 3654378 3694536 3712384 3961152 3997952 4002414 4176432 4265856 4310292 4497696 4519424 4621344 4669483 4822272 4872504 4926048 5084352 5140224 5281536 5336552 5568576 5687808 5747056 5810688 5996928 6003621 6161792 6465438 6496672 6568064 6779136 6932016 7308756 7389072 7424768 7922304 7995904 8004828 8352864 8531712 8620584 8995392 9242688 9338966 9644544 9745008 9852096 10168704 10280448 10563072 10673104 11137152 11494112 11993856 12007242 12323584 12930876 12993344 13136128 13558272 13864032 14008449 14617512 14778144 14849536 15844608 16009656 16705728 17063424 17241168 17990784 18485376 18677932 19490016 19704192 20337408 21346208 22274304 22988224 23987712 24014484 24647168 25861752 25986688 26272256 27728064 28016898 29235024 29556288 31689216 32019312 33411456 34482336 35981568 36970752 37355864 38980032 39408384 40674816 42025347 42692416 44548608 45976448 48028968 51723504 51973376 55456128 56033796 58470048 59112576 64038624 66822912 68964672 71963136 73941504 74711728 77960064 78816768 84050694 85384832 91952896 96057936 103447008 103946752 110912256 112067592 116940096 118225152 128077248 133645824 137929344 149423456 155920128 168101388 170769664 183905792 192115872 206894016 221824512 224135184 233880192 236450304 256154496 275858688 298846912 311840256 336202776 341539328 384231744 413788032 448270368 467760384 512308992 551717376 597693824 672405552 768463488 827576064 896540736 935520768 1024617984 1195387648 1344811104 1536926976 1655152128 1793081472 2390775296 2689622208 3073853952 3586162944 5379244416 7172325888 10758488832 21516977664
- Sum of all divisors σ(n): 80721312672
- Sum of proper divisors (its aliquot sum) s(n): 59204335008
- 21516977664 is an abundant number, because the sum of its proper divisors (59204335008) is greater than itself. Its abundance is 37687357344
Bases of 21516977664
- Binary: 101000000101000001100000110000000002
- Hexadecimal: 0x502830600
- Base-36: 9VUNI80
Squares and roots of 21516977664
- 21516977664 squared (215169776642) is 462980327793074896896
- 21516977664 cubed (215169776643) is 9961937371994990970390334930944
-
The
square root of 21516977664 is 146686.6649153903 -
The
cube root of 21516977664 is 2781.3806119673
Scales and comparisons
How big is 21516977664?- 21,516,977,664 seconds is equal to 684 years, 9 weeks, 2 hours, 14 minutes, 24 seconds.
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To count from 1 to 21,516,977,664 would take you about one thousand, three hundred sixty-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 21516977664 cubic inches would be around 231.8 feet tall.
Recreational maths with 21516977664
- 21516977664 backwards is 46677961512
- The number of decimal digits it has is: 11
- The sum of 21516977664's digits is 54
- More coming soon!
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The information we have on file for 21516977664 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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