21220678080

Names of 21220678080

• Cardinal: 21220678080 can be written as Twenty-one billion, two hundred twenty million, six hundred seventy-eight thousand and eighty.

Scientific notation

• Scientific notation: 2.122067808 × 10¹⁰

Factors of 21220678080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 192

Divisors of 21220678080

• Number of divisors d(n): 1120
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 29 30 32 35 36 37 40 42 45 48 54 56 58 60 63 64 70 72 74 80 81 84 87 90 96 105 108 109 111 112 116 120 126 135 140 144 145 148 160 162 168 174 180 185 189 192 203 210 216 218 222 224 232 240 252 259 261 270 280 288 290 296 315 320 324 327 333 336 348 360 370 378 405 406 420 432 435 436 444 448 464 480 504 518 522 540 545 555 560 567 576 580 592 609 630 648 654 666 672 696 720 740 756 763 777 783 810 812 840 864 870 872 888 928 945 960 981 999 1008 1015 1036 1044 1073 1080 1090 1110 1120 1134 1160 1184 1218 1260 1295 1296 1305 1308 1332 1344 1392 1440 1480 1512 1526 1554 1566 1620 1624 1635 1665 1680 1728 1740 1744 1776 1827 1856 1890 1962 1998 2016 2030 2072 2088 2146 2160 2180 2220 2240 2268 2289 2320 2331 2349 2368 2436 2520 2590 2592 2610 2616 2664 2784 2835 2880 2943 2960 2997 3024 3045 3052 3108 3132 3161 3219 3240 3248 3270 3330 3360 3480 3488 3552 3654 3780 3815 3885 3915 3924 3996 4032 4033 4060 4144 4176 4292 4320 4360 4440 4536 4578 4640 4662 4698 4872 4905 4995 5040 5180 5184 5220 5232 5328 5365 5481 5568 5670 5886 5920 5994 6048 6090 6104 6216 6264 6322 6438 6480 6496 6540 6660 6720 6867 6960 6976 6993 7104 7308 7511 7560 7630 7770 7830 7848 7992 8066 8120 8288 8352 8584 8640 8720 8829 8880 9072 9135 9156 9280 9324 9396 9483 9657 9744 9810 9990 10080 10360 10440 10464 10656 10730 10962 11340 11445 11655 11745 11772 11840 11988 12096 12099 12180 12208 12432 12528 12644 12876 12960 12992 13080 13320 13734 13920 13986 14616 14715 14985 15022 15120 15260 15540 15660 15696 15805 15984 16095 16132 16240 16443 16576 16704 17168 17440 17658 17760 18144 18270 18312 18648 18792 18966 19314 19488 19620 19980 20160 20165 20601 20720 20880 20928 20979 21312 21460 21924 22127 22533 22680 22890 23310 23490 23544 23976 24198 24360 24416 24864 25056 25288 25752 25920 26160 26640 27405 27468 27840 27972 28231 28449 28971 29232 29430 29970 30044 30240 30520 31080 31320 31392 31610 31968 32190 32264 32480 32886 34335 34336 34880 34965 35316 35520 36288 36297 36540 36624 37296 37555 37584 37932 38628 38976 39240 39960 40330 41202 41440 41760 41958 42920 43848 44145 44254 45066 45360 45780 46620 46980 47088 47415 47952 48285 48396 48720 48832 49728 50112 50576 51504 52320 53280 54810 54936 55944 56462 56898 57942 58464 58860 59940 60088 60480 60495 61040 61803 62160 62640 62784 63220 63936 64380 64528 64960 65772 66381 67599 68670 68672 69930 70632 72594 73080 73248 74592 75110 75168 75864 77256 78480 79920 80660 82215 82404 82880 83520 83916 84693 85347 85840 86913 87696 88290 88508 90132 90720 91560 93240 93960 94176 94830 95904 96570 96792 97440 101152 103005 103008 104640 104895 106560 108891 109620 109872 110635 111888 112665 112924 113796 115884 116928 116957 117720 119880 120176 120990 122080 123606 124320 125280 126440 128760 129056 131544 132762 135198 137340 139860 141155 141264 142245 144855 145188 146160 146496 149184 150220 150336 151728 154512 156960 159840 161320 164430 164808 167832 169386 170694 171680 173826 175392 176580 177016 180264 181440 181485 183120 186480 187920 188352 189660 191808 193140 193584 194880 199143 202304 202797 206010 206016 209790 217782 219240 219744 221270 223776 225330 225848 227592 231768 233914 235440 239760 240352 241980 244160 247212 248640 250560 252880 254079 256041 257520 258112 263088 265524 270396 274680 279720 282310 282528 284490 289710 290376 292320 300440 303456 309015 309024 313920 319680 322640 326673 328860 329616 331905 335664 337995 338772 341388 343360 347652 350784 350871 353160 354032 360528 362970 366240 372960 375840 379320 386280 387168 398286 405594 412020 419580 423465 426735 434565 435564 438480 439488 442540 447552 450660 451696 455184 463536 467828 470880 479520 480704 483960 494424 505760 508158 512082 515040 526176 531048 540792 544455 549360 559440 564620 565056 568980 579420 580752 584640 584785 597429 600880 606912 608391 618030 618048 645280 653346 657720 659232 663810 671328 675990 677544 682776 695304 701742 706320 708064 721056 725940 732480 745920 751680 758640 762237 772560 774336 796572 811188 818699 824040 839160 846930 853470 869130 871128 876960 885080 901320 903392 910368 927072 935656 941760 959040 967920 988848 995715 1011520 1013985 1016316 1024164 1030080 1052352 1052613 1062096 1081584 1088910 1098720 1118880 1129240 1137960 1158840 1161504 1169570 1194858 1201760 1216782 1236060 1270395 1280205 1290560 1306692 1315440 1318464 1327620 1342656 1351980 1355088 1365552 1390608 1403484 1412640 1416128 1442112 1451880 1517280 1524474 1545120 1593144 1622376 1633365 1637398 1648080 1678320 1693860 1706940 1738260 1742256 1753920 1754355 1770160 1792287 1802640 1806784 1820736 1854144 1871312 1935840 1977696 1991430 2027970 2032632 2048328 2105226 2124192 2163168 2177820 2197440 2237760 2258480 2275920 2286711 2317680 2323008 2339140 2389716 2403520 2433564 2456097 2472120 2540790 2560410 2613384 2630880 2655240 2703960 2710176 2731104 2781216 2806968 2825280 2903760 2987145 3034560 3041955 3048948 3090240 3157839 3186288 3244752 3266730 3274796 3296160 3356640 3387720 3413880 3476520 3484512 3508710 3540320 3584574 3605280 3742624 3811185 3871680 3955392 3982860 4055940 4065264 4093495 4096656 4210452 4248384 4326336 4355640 4516960 4551840 4573422 4635360 4678280 4779432 4867128 4912194 4944240 5081580 5120820 5226768 5261760 5263065 5310480 5407920 5420352 5462208 5562432 5613936 5807520 5974290 6083910 6097896 6315678 6372576 6489504 6533460 6549592 6592320 6713280 6775440 6827760 6953040 6969024 7017420 7080640 7169148 7210560 7368291 7485248 7622370 7965720 8111880 8130528 8186990 8193312 8420904 8711280 8961435 9033920 9103680 9146844 9270720 9356560 9473517 9558864 9734256 9824388 9888480 10163160 10241640 10453536 10526130 10620960 10815840 11227872 11433555 11615040 11948580 12167820 12195792 12280485 12631356 12745152 12979008 13066920 13099184 13550880 13655520 13906080 14034840 14338296 14736582 15244740 15789195 15931440 16223760 16261056 16373980 16386624 16841808 17422560 17922870 18293688 18713120 18947034 19117728 19468512 19648776 19776960 20326320 20483280 20907072 21052260 21241920 21631680 22104873 22455744 22867110 23897160 24335640 24391584 24560970 25262712 26133840 26198368 27101760 27311040 27812160 28069680 28676592 29473164 30489480 31578390 31862880 32447520 32747960 33683616 34845120 35845740 36587376 36841455 37426240 37894068 38235456 38937024 39297552 40652640 40966560 42104520 44209746 45734220 47367585 47794320 48671280 48783168 49121940 50525424 52267680 52396736 56139360 57353184 58946328 60978960 63156780 63725760 64895040 65495920 66314619 67367232 71691480 73174752 73682910 75788136 78595104 81305280 81933120 84209040 88419492 91468440 94735170 95588640 97342560 98243880 101050848 104535360 110524365 112278720 114706368 117892656 121957920 126313560 130991840 132629238 143382960 146349504 147365820 151576272 157190208 168418080 176838984 182936880 189470340 191177280 194685120 196487760 202101696 221048730 235785312 243915840 252627120 261983680 265258476 286765920 294731640 303152544 331573095 336836160 353677968 365873760 378940680 392975520 442097460 471570624 505254240 530516952 573531840 589463280 606305088 663146190 707355936 731747520 757881360 785951040 884194920 1010508480 1061033904 1178926560 1326292380 1414711872 1515762720 1768389840 2122067808 2357853120 2652584760 3031525440 3536779680 4244135616 5305169520 7073559360 10610339040 21220678080
• Sum of all divisors σ(n): 92497046400
• Sum of proper divisors (its aliquot sum) s(n): 71276368320
• 21220678080 is an abundant number, because the sum of its proper divisors (71276368320) is greater than itself. Its abundance is 50055690240

Bases of 21220678080

• Binary: 10011110000110110011101100111000000₂
• Hexadecimal: 0x4F0D9D9C0
• Base-36: 9QY8S00

Squares and roots of 21220678080

• 21220678080 squared (21220678080²) is 450317178174992486400
• 21220678080 cubed (21220678080³) is 9556035871945517460313178112000
• The square root of 21220678080 is 145673.1892971387
• The cube root of 21220678080 is 2768.5545543765

Scales and comparisons

• 21,220,678,080 seconds is equal to 674 years, 39 weeks, 16 hours, 48 minutes.
• To count from 1 to 21,220,678,080 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 21220678080 cubic inches would be around 230.7 feet tall.

Recreational maths with 21220678080

• 21220678080 backwards is 08087602212
• 21220678080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21220678080's digits is 36
• More coming soon!