20820421440

Names of 20820421440

• Cardinal: 20820421440 can be written as Twenty billion, eight hundred twenty million, four hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.082042144 × 10¹⁰

Factors of 20820421440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 127

Divisors of 20820421440

• Number of divisors d(n): 1260
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 49 52 54 56 60 63 64 65 70 72 78 80 81 84 90 91 96 97 98 104 105 108 112 117 120 126 130 135 140 144 147 156 160 162 168 169 180 182 189 192 194 195 196 208 210 216 224 234 240 245 252 260 270 273 280 288 291 294 312 315 320 324 336 338 351 360 364 378 388 390 392 405 416 420 432 441 448 455 468 480 485 490 504 507 520 540 546 560 567 576 582 585 588 624 630 637 648 672 676 679 702 720 728 735 756 776 780 784 810 819 832 840 845 864 873 882 910 936 945 960 970 980 1008 1014 1040 1053 1080 1092 1120 1134 1164 1170 1176 1183 1248 1260 1261 1274 1296 1323 1344 1352 1358 1365 1404 1440 1455 1456 1470 1512 1521 1552 1560 1568 1620 1638 1680 1690 1728 1746 1755 1764 1820 1872 1890 1911 1940 1960 2016 2028 2037 2080 2106 2160 2184 2205 2240 2268 2328 2340 2352 2366 2457 2496 2520 2522 2535 2548 2592 2619 2646 2704 2716 2730 2808 2835 2880 2910 2912 2940 3024 3042 3104 3120 3136 3185 3240 3276 3360 3380 3395 3492 3510 3528 3549 3640 3744 3780 3783 3822 3880 3920 3969 4032 4056 4074 4095 4160 4212 4320 4365 4368 4410 4536 4563 4656 4680 4704 4732 4753 4914 5040 5044 5070 5096 5184 5238 5265 5292 5408 5432 5460 5616 5670 5733 5820 5824 5880 5915 6048 6084 6111 6208 6240 6305 6370 6480 6552 6615 6720 6760 6790 6984 7020 7056 7098 7280 7371 7488 7560 7566 7605 7644 7760 7840 7857 7938 8112 8148 8190 8281 8424 8640 8730 8736 8820 8827 9072 9126 9312 9360 9408 9464 9506 9555 9828 10080 10088 10140 10185 10192 10476 10530 10584 10647 10816 10864 10920 11232 11340 11349 11466 11640 11760 11830 12096 12168 12222 12285 12480 12610 12740 12960 13095 13104 13230 13520 13580 13689 13968 14040 14112 14196 14259 14560 14742 15120 15132 15210 15288 15520 15680 15714 15876 16224 16296 16380 16393 16562 16848 17199 17460 17472 17640 17654 17745 18144 18252 18333 18624 18720 18915 18928 19012 19110 19656 19845 20160 20176 20280 20370 20384 20952 21060 21168 21294 21728 21840 22464 22680 22698 22815 22932 23280 23520 23660 23765 24336 24444 24570 24843 25220 25480 25920 26190 26208 26460 26481 27040 27160 27378 27936 28080 28224 28392 28518 28665 29120 29484 30240 30264 30420 30555 30576 31040 31428 31752 31941 32448 32592 32760 32786 33124 33696 34047 34398 34920 35280 35308 35490 36288 36504 36666 36855 37440 37830 37856 38024 38220 39285 39312 39690 40352 40560 40740 40768 41405 41904 42120 42336 42588 42777 43456 43680 44135 45360 45396 45630 45864 46560 47040 47320 47530 48672 48888 49140 49179 49686 50440 50960 51597 52380 52416 52920 52962 53235 54080 54320 54756 54999 55872 56160 56745 56784 57036 57330 58968 60480 60528 60840 61110 61152 61789 62856 63504 63882 65184 65520 65572 66248 67392 68094 68445 68796 69840 70560 70616 70980 71295 73008 73332 73710 74529 75660 75712 76048 76440 78570 78624 79380 79443 80704 81120 81480 81965 82810 83808 84240 84672 85176 85554 85995 87360 88270 90720 90792 91260 91665 91728 93120 94640 95060 95823 97344 97776 98280 98358 99372 100880 101920 102141 103194 104760 105840 105924 106470 108640 109512 109998 112320 113490 113568 114072 114660 114751 117936 121056 121680 122220 122304 123578 124215 125712 127008 127764 128331 130368 131040 131144 132405 132496 136188 136890 137592 139680 141120 141232 141960 142590 146016 146664 147420 147537 149058 151320 152096 152880 157140 157248 158760 158886 159705 162240 162960 163930 165620 167616 168480 170235 170352 171108 171990 176540 181440 181584 182520 183330 183456 185367 189280 190120 191646 195552 196560 196716 198744 201760 203840 204282 206388 209520 211680 211848 212940 213885 217280 219024 219996 223587 226980 227136 228144 229320 229502 235872 238329 242112 243360 244440 245895 247156 248430 251424 254016 255528 256662 257985 262080 262288 264810 264992 272376 273780 274995 275184 279360 282464 283920 285180 292032 293328 294840 295074 298116 302640 304192 305760 308945 314280 317520 317772 319410 325920 327860 331240 336960 340470 340704 342216 343980 344253 353080 363168 365040 366660 366912 370734 372645 378560 380240 383292 384993 391104 393120 393432 397215 397488 403520 408564 412776 419040 423360 423696 425880 427770 438048 439992 442611 447174 453960 456288 458640 459004 471744 476658 479115 486720 488880 491790 494312 496860 502848 510705 511056 513324 515970 524576 529620 529984 544752 547560 549990 550368 556101 564928 567840 570360 573755 586656 589680 590148 596232 605280 611520 617890 628560 635040 635544 638820 641655 651840 655720 662480 670761 680940 681408 684432 687960 688506 706160 714987 726336 730080 733320 737685 741468 745290 760480 766584 769986 786240 786864 794430 794976 803257 817128 825552 838080 847392 851760 855540 876096 879984 885222 894348 907920 912576 917280 918008 926835 953316 958230 977760 983580 988624 993720 1021410 1022112 1026648 1031940 1032759 1049152 1059240 1089504 1095120 1099980 1100736 1112202 1117935 1135680 1140720 1147510 1173312 1179360 1180296 1191645 1192464 1210560 1235780 1257120 1270080 1271088 1277640 1283310 1311440 1324960 1327833 1341522 1361880 1368864 1375920 1377012 1412320 1429974 1460160 1466640 1475370 1482936 1490580 1520960 1533168 1539972 1573728 1588860 1589952 1606514 1634256 1651104 1668303 1694784 1703520 1711080 1721265 1759968 1770444 1788696 1815840 1834560 1836016 1853670 1906632 1916460 1924965 1955520 1967160 1977248 1987440 2042820 2044224 2053296 2063880 2065518 2118480 2179008 2190240 2199960 2213055 2224404 2235870 2281440 2295020 2358720 2360592 2383290 2384928 2409771 2471560 2514240 2542176 2555280 2566620 2622880 2649920 2655666 2683044 2723760 2737728 2751840 2754024 2780505 2824640 2859948 2933280 2950740 2965872 2981160 3066336 3079944 3098277 3147456 3177720 3213028 3268512 3302208 3336606 3353805 3407040 3422160 3442530 3519936 3540888 3574935 3577392 3631680 3672032 3707340 3813264 3832920 3849930 3934320 3954496 3974880 4016285 4085640 4106592 4127760 4131036 4236960 4380480 4399920 4426110 4448808 4471740 4562880 4590040 4721184 4766580 4769856 4819542 4943120 5004909 5084352 5110560 5133240 5163795 5245760 5311332 5366088 5447520 5503680 5508048 5561010 5719896 5866560 5901480 5931744 5962320 6132672 6159888 6196554 6355440 6426056 6537024 6639165 6673212 6707610 6844320 6885060 7081776 7149870 7154784 7229313 7344064 7414680 7626528 7665840 7699860 7868640 7949760 8032570 8171280 8213184 8255520 8262072 8341515 8473920 8799840 8852220 8897616 8943480 9180080 9294831 9442368 9533160 9639084 9886240 10009818 10221120 10266480 10327590 10622664 10732176 10895040 11016096 11122020 11439792 11802960 11863488 11924640 12048855 12319776 12393108 12710880 12852112 13278330 13346424 13415220 13688640 13770120 14163552 14299740 14309568 14458626 14829360 15253056 15331680 15399720 15491385 15737280 16065140 16342560 16511040 16524144 16683030 17599680 17704440 17795232 17886960 18360160 18589662 19066320 19278168 19772480 20019636 20532960 20655180 21245328 21464352 21687939 22032192 22244040 22879584 23605920 23849280 24097710 24639552 24786216 25024545 25421760 25704224 26556660 26692848 26830440 27540240 28327104 28599480 28917252 29658720 30663360 30799440 30982770 32130280 32685120 33048288 33366060 35408880 35590464 35773920 36146565 36720320 37179324 38132640 38556336 40039272 41065920 41310360 42490656 42928704 43375878 44488080 45759168 46474155 47211840 48195420 49572432 50049090 51408448 53113320 53385696 53660880 55080480 57198960 57834504 59317440 61598880 61965540 64260560 65063817 66096576 66732120 70817760 71547840 72293130 74358648 76265280 77112672 80078544 82620720 84981312 86751756 88976160 92948310 96390840 99144864 100098180 106226640 106771392 107321760 108439695 110160960 114397920 115669008 123197760 123931080 128521120 130127634 133464240 141635520 144586260 148717296 154225344 160157088 165241440 173503512 177952320 185896620 192781680 198289728 200196360 212453280 214643520 216879390 228795840 231338016 247862160 257042240 260255268 266928480 289172520 297434592 320314176 325319085 330482880 347007024 371793240 385563360 400392720 424906560 433758780 462676032 495724320 520510536 533856960 578345040 594869184 650638170 694014048 743586480 771126720 800785440 867517560 991448640 1041021072 1156690080 1301276340 1388028096 1487172960 1601570880 1735035120 2082042144 2313380160 2602552680 2974345920 3470070240 4164084288 5205105360 6940140480 10410210720 20820421440
• Sum of all divisors σ(n): 94252388076
• Sum of proper divisors (its aliquot sum) s(n): 73431966636
• 20820421440 is an abundant number, because the sum of its proper divisors (73431966636) is greater than itself. Its abundance is 52611545196

Bases of 20820421440

• Binary: 10011011000111111100110101101000000₂
• Hexadecimal: 0x4D8FE6B40
• Base-36: 9KBXW00

Squares and roots of 20820421440

• 20820421440 squared (20820421440²) is 433489948939211673600
• 20820421440 cubed (20820421440³) is 9025443426918467985719721984000
• The square root of 20820421440 is 144292.8322544125
• The cube root of 20820421440 is 2751.0374681687

Scales and comparisons

• 20,820,421,440 seconds is equal to 662 years, 1 week, 2 days, 2 hours, 24 minutes.
• To count from 1 to 20,820,421,440 would take you about one thousand, three hundred twenty-four 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 20820421440 cubic inches would be around 229.3 feet tall.

Recreational maths with 20820421440

• 20820421440 backwards is 04412402802
• 20820421440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20820421440's digits is 27
• More coming soon!