21221272800

Names of 21221272800

• Cardinal: 21221272800 can be written as Twenty-one billion, two hundred twenty-one million, two hundred seventy-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12212728 × 10¹⁰

Factors of 21221272800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 691

Divisors of 21221272800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 25 26 28 30 32 35 36 39 40 42 45 48 49 50 52 56 60 63 65 70 72 75 78 80 84 90 91 96 98 100 104 105 112 117 120 126 130 140 144 147 150 156 160 168 175 180 182 195 196 200 208 210 224 225 234 240 245 252 260 273 280 288 294 300 312 315 325 336 343 350 360 364 390 392 400 416 420 441 450 455 468 480 490 504 520 525 546 560 585 588 600 624 630 637 650 661 672 686 700 720 728 735 780 784 800 819 840 882 900 910 936 975 980 1008 1029 1040 1050 1092 1120 1170 1176 1200 1225 1248 1260 1274 1300 1322 1365 1372 1400 1440 1456 1470 1560 1568 1575 1638 1680 1715 1764 1800 1820 1872 1911 1950 1960 1983 2016 2058 2080 2100 2184 2205 2275 2340 2352 2400 2450 2520 2548 2600 2644 2730 2744 2800 2912 2925 2940 3087 3120 3150 3185 3276 3305 3360 3430 3528 3600 3640 3675 3744 3822 3900 3920 3966 4095 4116 4200 4368 4410 4459 4550 4627 4680 4704 4900 5040 5096 5145 5200 5288 5460 5488 5600 5733 5850 5880 5949 6174 6240 6300 6370 6552 6610 6825 6860 7056 7200 7280 7350 7644 7800 7840 7932 8190 8232 8400 8575 8593 8736 8820 8918 9100 9254 9360 9555 9800 9915 10080 10192 10290 10400 10576 10920 10976 11025 11466 11700 11760 11898 12348 12600 12740 13104 13220 13377 13650 13720 13881 14112 14560 14700 15288 15435 15600 15864 15925 16380 16464 16525 16800 17150 17186 17640 17836 18200 18508 18720 19110 19600 19830 20384 20475 20580 21152 21840 22050 22295 22932 23135 23400 23520 23796 24696 25200 25480 25725 25779 26208 26440 26754 27300 27440 27762 28665 29400 29745 30576 30870 31200 31728 31850 32389 32760 32928 33050 34300 34372 35280 35672 36400 37016 38220 39200 39660 40131 40950 41160 41643 42965 43680 44100 44590 45864 46270 46800 47592 47775 49392 49575 50400 50960 51450 51558 52880 53508 54600 54880 55524 57330 58800 59490 60151 61152 61740 63456 63700 64778 65520 66100 66885 68600 68744 69405 70560 71344 72800 74032 76440 77175 77337 79320 80262 81900 82320 83286 85930 88200 89180 91728 92540 93600 95184 95550 97167 98784 99150 101920 102900 103116 105760 107016 109200 111048 111475 114660 115675 117600 118980 120302 123480 127400 128895 129556 131040 132200 133770 137200 137488 138810 142688 143325 148064 148725 152880 154350 154674 158640 160524 161945 163800 164640 166572 171860 176400 178360 180453 183456 185080 190368 191100 194334 198300 200655 205800 206232 208215 214032 214825 218400 222096 222950 226723 229320 231350 237960 240604 246960 254800 257790 259112 264400 267540 274400 274976 277620 286650 291501 297450 300755 305760 308700 309348 317280 321048 323890 327600 333144 334425 343720 347025 352800 356720 360906 370160 382200 386685 388668 396600 401310 411600 412464 416430 421057 428064 429650 444192 445900 453446 458640 462700 475920 481208 485835 493920 509600 515580 518224 528800 535080 541359 555240 573300 583002 594900 601510 617400 618696 642096 644475 647780 655200 666288 668850 680169 687440 694050 713440 721812 740320 764400 773370 777336 793200 802620 809725 823200 824928 832860 842114 859300 891800 902265 906892 917280 925400 951840 962416 971670 1003275 1031160 1036448 1041075 1070160 1082718 1110480 1133615 1146600 1166004 1189800 1203020 1234800 1237392 1263171 1284192 1288950 1295560 1332576 1337700 1360338 1374880 1388100 1443624 1457505 1503775 1528800 1546740 1554672 1586400 1605240 1619450 1665720 1684228 1718600 1783600 1804530 1813784 1850800 1924832 1933425 1943340 2006550 2040507 2062320 2082150 2105285 2140320 2165436 2220960 2267230 2293200 2332008 2379600 2406040 2429175 2469600 2474784 2526342 2577900 2591120 2675400 2706795 2720676 2776200 2887248 2915010 2947399 3007550 3093480 3109344 3210480 3238900 3331440 3368456 3400845 3437200 3567200 3609060 3627568 3701600 3789513 3866850 3886680 4013100 4081014 4124640 4164300 4210570 4330872 4511325 4534460 4586400 4664016 4759200 4812080 4858350 5052684 5155800 5182240 5350800 5413590 5441352 5552400 5668075 5774496 5830020 5894798 6015100 6186960 6315855 6420960 6477800 6662880 6736912 6801690 6874400 7218120 7255136 7287525 7579026 7733700 7773360 8026200 8162028 8328600 8421140 8661744 8842197 9022650 9068920 9328032 9624160 9716700 10105368 10202535 10311600 10526425 10701600 10827180 10882704 11104800 11336150 11660040 11789596 12030200 12373920 12631710 12955600 13473824 13533975 13603380 14436240 14575050 14736995 15158052 15467400 15546720 16052400 16324056 16657200 16842280 17004225 17323488 17684394 18045300 18137840 18947565 19433400 20210736 20405070 20623200 21052850 21654360 21765408 22672300 23320080 23579192 24060400 25263420 25911200 26526591 27067950 27206760 28872480 29150100 29473990 30316104 30934800 31579275 32104800 32648112 33314400 33684560 34008450 35368788 36090600 36275680 37895130 38866800 40421472 40810140 42105700 43308720 44210985 45344600 46640160 47158384 48120800 50526840 51012675 53053182 54135900 54413520 58300200 58947980 60632208 61869600 63158550 65296224 67369120 68016900 70737576 72181200 73684975 75790260 77733600 81620280 84211400 86617440 88421970 90689200 94316768 94737825 101053680 102025350 106106364 108271800 108827040 116600400 117895960 121264416 126317100 132632955 136033800 141475152 144362400 147369950 151580520 163240560 168422800 176843940 181378400 189475650 202107360 204050700 212212728 216543600 221054925 233200800 235791920 252634200 265265910 272067600 282950304 294739900 303161040 326481120 336845600 353687880 378951300 408101400 424425456 433087200 442109850 471583840 505268400 530531820 544135200 589479800 606322080 663164775 707375760 757902600 816202800 848850912 884219700 1010536800 1061063640 1178959600 1326329550 1414751520 1515805200 1632405600 1768439400 2122127280 2357919200 2652659100 3031610400 3536878800 4244254560 5305318200 7073757600 10610636400 21221272800
• Sum of all divisors σ(n): 94122100800
• Sum of proper divisors (its aliquot sum) s(n): 72900828000
• 21221272800 is an abundant number, because the sum of its proper divisors (72900828000) is greater than itself. Its abundance is 51679555200

Bases of 21221272800

• Binary: 10011110000111000101110110011100000₂
• Hexadecimal: 0x4F0E2ECE0
• Base-36: 9QYLIW0

Squares and roots of 21221272800

• 21221272800 squared (21221272800²) is 450342419252019840000
• 21221272800 cubed (21221272800³) is 9556839332359084975652352000000
• The square root of 21221272800 is 145675.2305644303
• The cube root of 21221272800 is 2768.5804175053

Scales and comparisons

• 21,221,272,800 seconds is equal to 674 years, 40 weeks, 14 hours.
• To count from 1 to 21,221,272,800 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 21221272800 cubic inches would be around 230.7 feet tall.

Recreational maths with 21221272800

• 21221272800 backwards is 00827212212
• The number of decimal digits it has is: 11
• The sum of 21221272800's digits is 27
• More coming soon!