21379438080

Names of 21379438080

• Cardinal: 21379438080 can be written as Twenty-one billion, three hundred seventy-nine million, four hundred thirty-eight thousand and eighty.

Scientific notation

• Scientific notation: 2.137943808 × 10¹⁰

Factors of 21379438080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 144

Divisors of 21379438080

• Number of divisors d(n): 1600
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 21 22 24 26 27 28 30 32 33 35 36 39 40 42 44 45 48 52 54 55 56 60 63 64 65 66 70 72 77 78 80 81 84 88 90 91 96 99 103 104 105 108 110 112 117 120 126 128 130 132 135 140 143 144 154 156 160 162 165 168 176 180 182 189 192 195 198 206 208 210 216 220 224 231 234 240 252 256 260 264 270 273 280 286 288 297 308 309 312 315 320 324 330 336 351 352 360 364 378 384 385 390 396 405 412 416 420 429 432 440 448 455 462 468 480 495 504 512 515 520 528 540 546 560 567 572 576 585 594 616 618 624 630 640 648 660 672 693 702 704 715 720 721 728 756 768 770 780 792 810 819 824 832 840 858 864 880 891 896 910 924 927 936 945 960 990 1001 1008 1030 1040 1053 1056 1080 1092 1120 1133 1134 1144 1152 1155 1170 1188 1232 1236 1248 1260 1280 1287 1296 1320 1339 1344 1365 1386 1404 1408 1430 1440 1442 1456 1485 1512 1536 1540 1545 1560 1584 1620 1638 1648 1664 1680 1716 1728 1755 1760 1782 1792 1820 1848 1854 1872 1890 1920 1980 2002 2016 2060 2079 2080 2106 2112 2145 2160 2163 2184 2240 2266 2268 2288 2304 2310 2340 2376 2457 2464 2472 2496 2520 2560 2574 2592 2640 2678 2688 2730 2772 2781 2808 2816 2835 2860 2880 2884 2912 2970 3003 3024 3080 3090 3120 3168 3240 3276 3296 3328 3360 3399 3432 3456 3465 3510 3520 3564 3584 3605 3640 3696 3708 3744 3780 3840 3861 3960 4004 4017 4032 4095 4120 4158 4160 4212 4224 4290 4320 4326 4368 4455 4480 4532 4536 4576 4608 4620 4635 4680 4752 4914 4928 4944 4992 5005 5040 5148 5184 5265 5280 5356 5376 5460 5544 5562 5616 5632 5665 5670 5720 5760 5768 5824 5940 6006 6048 6160 6180 6237 6240 6336 6435 6480 6489 6552 6592 6656 6695 6720 6798 6864 6912 6930 7020 7040 7128 7210 7280 7371 7392 7416 7488 7560 7680 7722 7920 7931 8008 8034 8064 8190 8240 8316 8320 8343 8424 8448 8580 8640 8652 8736 8910 8960 9009 9064 9072 9152 9240 9270 9360 9373 9504 9828 9856 9888 9984 10010 10080 10197 10296 10368 10395 10530 10560 10712 10752 10815 10920 11088 11124 11232 11330 11340 11440 11520 11536 11583 11648 11880 12012 12051 12096 12285 12320 12360 12474 12480 12672 12870 12960 12978 13104 13184 13390 13440 13596 13728 13824 13860 13905 14040 14080 14256 14420 14560 14729 14742 14784 14832 14976 15015 15120 15444 15840 15862 16016 16068 16128 16380 16480 16632 16640 16686 16848 16896 16995 17160 17280 17304 17472 17820 17920 18018 18128 18144 18304 18480 18540 18720 18746 19008 19305 19467 19656 19712 19776 19968 20020 20085 20160 20394 20592 20736 20790 21060 21120 21424 21630 21840 22176 22248 22464 22660 22680 22880 23040 23072 23166 23296 23760 23793 24024 24102 24192 24570 24640 24720 24948 24960 25344 25740 25920 25956 26208 26368 26780 26880 27027 27192 27456 27720 27810 28080 28119 28160 28512 28840 29120 29458 29484 29568 29664 29952 30030 30240 30591 30888 31185 31680 31724 32032 32136 32256 32445 32760 32960 33264 33280 33372 33696 33990 34320 34560 34608 34944 35640 36036 36153 36256 36288 36608 36855 36960 37080 37440 37492 38016 38610 38934 39312 39424 39552 39655 40040 40170 40320 40788 41184 41472 41580 41715 42120 42240 42848 43260 43680 44187 44352 44496 44928 45045 45320 45360 45760 46144 46332 46592 46865 47520 47586 48048 48204 48384 49140 49280 49440 49896 49920 50688 50985 51480 51840 51912 52416 52736 53560 53760 54054 54384 54912 55440 55620 56160 56238 57024 57680 57915 58240 58401 58916 58968 59136 59328 59904 60060 60255 60480 61182 61776 62370 63360 63448 64064 64272 64890 65520 65920 66528 66744 67392 67980 68640 69120 69216 69888 71280 71379 72072 72306 72512 72576 73216 73645 73710 73920 74160 74880 74984 76032 77220 77868 78624 79104 79310 80080 80340 80640 81081 81576 82368 83160 83430 84240 84357 84480 85696 86520 87360 88374 88704 88992 89856 90090 90640 90720 91520 91773 92288 92664 93730 95040 95172 96096 96408 96768 97335 98280 98560 98880 99792 99840 101970 102960 103103 103680 103824 104832 107120 108108 108459 108768 109824 110880 111240 112320 112476 114048 115360 115830 116480 116802 117832 117936 118272 118656 118965 120120 120510 120960 122364 123552 124740 126720 126896 128128 128544 129780 131040 131840 132561 133056 133488 134784 135135 135960 137280 138432 139776 140595 142560 142758 144144 144612 145024 145152 147290 147420 147840 148320 149760 149968 152064 152955 154440 155736 157248 158208 158620 160160 160680 161280 162162 163152 164736 166320 166860 168480 168714 171392 173040 174720 176748 177408 177984 179712 180180 180765 181280 181440 183040 183546 184576 185328 187460 190080 190344 192192 192816 194670 196560 197120 197760 199584 203940 205920 206206 207360 207648 209664 214137 214240 216216 216918 217536 219648 220935 221760 222480 224640 224952 228096 230720 231660 232960 233604 235664 235872 237312 237930 240240 241020 241920 244728 247104 249480 253071 253440 253792 256256 257088 259560 262080 263680 265122 266112 266976 269568 270270 271920 274560 276864 281190 285120 285516 288288 289224 290048 290304 292005 294580 294840 295680 296640 299520 299936 305910 308880 309309 311472 314496 317240 320320 321360 324324 326304 329472 332640 333720 336960 337428 342784 346080 349440 353496 354816 355968 356895 360360 361530 362560 362880 366080 367092 369152 370656 374920 380160 380688 384384 385632 389340 393120 395520 397683 399168 405405 407880 411840 412412 415296 419328 421785 428274 428480 432432 433836 435072 441870 443520 444960 449280 449904 456192 458865 461440 463320 467208 471328 471744 474624 475860 480480 482040 483840 489456 494208 498960 506142 507584 512512 514176 515515 519120 524160 530244 532224 533952 539136 540540 542295 543840 549120 553728 562380 570240 571032 576576 578448 580096 584010 589160 589680 591360 593280 599872 611820 617760 618618 622944 628992 634480 640640 642411 642720 648648 652608 658944 662805 665280 667440 673920 674856 685568 692160 698880 706992 711936 713790 720720 723060 725120 725760 734184 741312 749840 759213 760320 761376 768768 771264 778680 786240 791040 795366 798336 810810 815760 823680 824824 830592 843570 856548 856960 864864 867672 870144 883740 887040 889920 898560 899808 917730 922880 926640 927927 934416 942656 943488 951720 960960 964080 978912 988416 997920 1012284 1015168 1028352 1031030 1038240 1048320 1060488 1064448 1067904 1070685 1081080 1084590 1087680 1098240 1107456 1124760 1140480 1142064 1153152 1156896 1168020 1178320 1179360 1186560 1193049 1199744 1223640 1235520 1237236 1245888 1257984 1265355 1268960 1281280 1284822 1285440 1297296 1305216 1325610 1330560 1334880 1347840 1349712 1384320 1413984 1423872 1427580 1441440 1446120 1450240 1451520 1468368 1482624 1499680 1518426 1522752 1537536 1542528 1546545 1557360 1572480 1590732 1596672 1621620 1631520 1647360 1649648 1661184 1687140 1713096 1713920 1729728 1735344 1740288 1767480 1774080 1779840 1799616 1835460 1845760 1853280 1855854 1868832 1885312 1886976 1903440 1921920 1928160 1957824 1976832 1988415 1995840 2024568 2030336 2056704 2062060 2076480 2096640 2120976 2135808 2141370 2162160 2169180 2175360 2249520 2280960 2284128 2306304 2313792 2336040 2356640 2358720 2373120 2386098 2399488 2447280 2471040 2474472 2491776 2530710 2537920 2562560 2569644 2570880 2594592 2610432 2651220 2661120 2669760 2695680 2699424 2768640 2783781 2827968 2855160 2882880 2892240 2900480 2936736 2965248 2999360 3036852 3045504 3085056 3093090 3114720 3144960 3181464 3193344 3212055 3243240 3263040 3294720 3299296 3322368 3374280 3426192 3427840 3459456 3470688 3534960 3559680 3599232 3670920 3706560 3711708 3737664 3770624 3773952 3796065 3806880 3843840 3856320 3915648 3976830 3991680 4049136 4060672 4124120 4152960 4241952 4271616 4282740 4324320 4338360 4350720 4499040 4568256 4612608 4627584 4639635 4672080 4713280 4717440 4772196 4798976 4894560 4942080 4948944 4983552 5061420 5075840 5139288 5141760 5189184 5220864 5302440 5322240 5339520 5398848 5537280 5567562 5655936 5710320 5765760 5784480 5873472 5930496 5965245 5998720 6073704 6091008 6170112 6186180 6229440 6289920 6362928 6424110 6486480 6526080 6598592 6748560 6852384 6918912 6941376 7069920 7119360 7198464 7341840 7413120 7423416 7475328 7541248 7592130 7613760 7687680 7712640 7831296 7953660 7983360 8098272 8248240 8305920 8351343 8483904 8565480 8648640 8676720 8701440 8998080 9136512 9255168 9279270 9344160 9426560 9434880 9544392 9789120 9884160 9897888 9967104 10122840 10151680 10278576 10283520 10378368 10604880 10679040 10797696 11135124 11311872 11420640 11531520 11568960 11746944 11930490 11997440 12147408 12182016 12372360 12458880 12725856 12848220 12972960 13052160 13197184 13497120 13704768 13837824 13882752 13918905 14139840 14396928 14683680 14826240 14846832 14950656 15184260 15227520 15425280 15662592 15907320 15966720 16196544 16496480 16611840 16702686 16967808 17130960 17297280 17353440 17996160 18273024 18510336 18558540 18688320 18853120 18869760 19088784 19578240 19795776 20245680 20303360 20557152 20756736 21209760 21358080 21595392 22270248 22623744 22841280 23063040 23137920 23493888 23860980 23994880 24294816 24744720 24917760 25451712 25696440 25945920 26104320 26394368 26994240 27409536 27765504 27837810 28279680 29367360 29652480 29693664 29901312 30368520 30455040 30850560 31814640 32393088 32992960 33405372 33935616 34261920 34594560 34706880 35992320 36546048 37117080 37376640 37706240 38177568 39156480 39591552 40491360 41114304 41513472 41756715 42419520 43190784 44540496 45682560 46275840 46987776 47721960 48589632 49489440 49835520 50903424 51392880 51891840 52788736 53988480 54819072 55531008 55675620 56559360 58734720 59387328 60737040 60910080 63629280 64786176 65985920 66810744 67871232 68523840 69189120 69413760 71984640 74234160 74753280 76355136 78312960 79183104 80982720 82228608 83513430 84839040 89080992 91365120 92551680 95443920 97179264 98978880 101806848 102785760 103783680 107976960 109638144 111351240 113118720 117469440 118774656 121474080 127258560 129572352 131971840 133621488 137047680 138827520 148468320 149506560 152710272 158366208 161965440 164457216 167026860 169678080 178161984 182730240 190887840 194358528 197957760 203613696 205571520 207567360 215953920 222702480 234938880 237549312 242948160 254517120 263943680 267242976 274095360 277655040 296936640 305420544 323930880 328914432 334053720 339356160 356323968 381775680 388717056 395915520 411143040 445404960 475098624 485896320 509034240 534485952 548190720 593873280 610841088 647861760 668107440 712647936 763551360 791831040 822286080 890809920 971792640 1018068480 1068971904 1187746560 1336214880 1425295872 1527102720 1644572160 1781619840 1943585280 2137943808 2375493120 2672429760 3054205440 3563239680 4275887616 5344859520 7126479360 10689719040 21379438080
• Sum of all divisors σ(n): 103811355648
• Sum of proper divisors (its aliquot sum) s(n): 82431917568
• 21379438080 is an abundant number, because the sum of its proper divisors (82431917568) is greater than itself. Its abundance is 61052479488

Bases of 21379438080

• Binary: 10011111010010100000101011000000000₂
• Hexadecimal: 0x4FA505600
• Base-36: 9TKRK00

Squares and roots of 21379438080

• 21379438080 squared (21379438080²) is 457080372616554086400
• 21379438080 cubed (21379438080³) is 9772121523938945673159770112000
• The square root of 21379438080 is 146217.0922977203
• The cube root of 21379438080 is 2775.4416126985

Scales and comparisons

• 21,379,438,080 seconds is equal to 679 years, 41 weeks, 4 days, 4 hours, 48 minutes.
• To count from 1 to 21,379,438,080 would take you about one thousand, three hundred fifty-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 21379438080 cubic inches would be around 231.3 feet tall.

Recreational maths with 21379438080

• 21379438080 backwards is 08083497312
• 21379438080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21379438080's digits is 45
• More coming soon!