21055112478720

Names of 21055112478720

• Cardinal: 21055112478720 can be written as Twenty-one trillion, fifty-five billion, one hundred twelve million, four hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.105511247872 × 10¹³

Factors of 21055112478720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 29
• Sum of prime factors: 220

Divisors of 21055112478720

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 128 136 144 153 160 170 180 192 193 204 240 255 256 272 288 289 306 320 340 360 384 386 408 480 510 512 544 576 578 579 612 640 680 720 765 768 772 816 867 960 965 1020 1024 1088 1152 1156 1158 1224 1280 1360 1440 1445 1530 1536 1544 1632 1734 1737 1920 1930 2040 2048 2176 2304 2312 2316 2448 2560 2601 2720 2880 2890 2895 3060 3072 3088 3264 3281 3468 3474 3840 3860 4080 4096 4335 4352 4608 4624 4632 4896 5120 5202 5440 5760 5780 5790 6120 6144 6176 6528 6562 6936 6948 7680 7720 8160 8192 8670 8685 8704 9216 9248 9264 9792 9843 10240 10404 10880 11520 11560 11580 12240 12288 12352 13005 13056 13124 13872 13896 15360 15440 16320 16384 16405 17340 17370 17408 18432 18496 18528 19584 19686 20480 20808 21760 23040 23120 23160 24480 24576 24704 26010 26112 26248 27744 27792 29529 30720 30880 32640 32768 32810 34680 34740 34816 36864 36992 37056 39168 39372 40960 41616 43520 46080 46240 46320 48960 49152 49215 49408 52020 52224 52496 55488 55584 55777 59058 61440 61760 65280 65536 65620 69360 69480 69632 73728 73984 74112 78336 78744 81920 83232 87040 92160 92480 92640 97920 98304 98430 98816 104040 104448 104992 110976 111168 111554 118116 122880 123520 130560 131072 131240 138720 138960 139264 147456 147645 147968 148224 156672 157488 163840 166464 167331 174080 184320 184960 185280 195840 196608 196860 197632 208080 208896 209984 221952 222336 223108 236232 245760 247040 261120 262144 262480 277440 277920 278528 278885 294912 295290 295936 296448 313344 314976 327680 332928 334662 348160 368640 369920 370560 391680 393216 393720 395264 416160 417792 419968 443904 444672 446216 472464 491520 494080 501993 522240 524288 524960 554880 555840 557056 557770 589824 590580 591872 592896 626688 629952 655360 665856 669324 696320 737280 739840 741120 783360 786432 787440 790528 832320 835584 836655 839936 887808 889344 892432 944928 983040 988160 1003986 1044480 1048576 1049920 1109760 1111680 1114112 1115540 1179648 1181160 1183744 1185792 1253376 1259904 1310720 1331712 1338648 1392640 1474560 1479680 1482240 1566720 1572864 1574880 1581056 1664640 1671168 1673310 1679872 1775616 1778688 1784864 1889856 1966080 1976320 2007972 2088960 2097152 2099840 2219520 2223360 2228224 2231080 2359296 2362320 2367488 2371584 2506752 2509965 2519808 2621440 2663424 2677296 2785280 2949120 2959360 2964480 3133440 3145728 3149760 3162112 3329280 3342336 3346620 3359744 3551232 3557376 3569728 3779712 3932160 3952640 4015944 4177920 4194304 4199680 4439040 4446720 4456448 4462160 4718592 4724640 4734976 4743168 5013504 5019930 5039616 5242880 5326848 5354592 5570560 5898240 5918720 5928960 6266880 6291456 6299520 6324224 6658560 6684672 6693240 6719488 7102464 7114752 7139456 7559424 7864320 7905280 8031888 8355840 8388608 8399360 8878080 8893440 8912896 8924320 9437184 9449280 9469952 9486336 10027008 10039860 10079232 10485760 10653696 10709184 11141120 11796480 11837440 11857920 12533760 12582912 12599040 12648448 13317120 13369344 13386480 13438976 14204928 14229504 14278912 15118848 15728640 15810560 16063776 16711680 16798720 17756160 17786880 17825792 17848640 18874368 18898560 18939904 18972672 20054016 20079720 20158464 20971520 21307392 21418368 22282240 23592960 23674880 23715840 25067520 25165824 25198080 25296896 26634240 26738688 26772960 26877952 28409856 28459008 28557824 30237696 31457280 31621120 32127552 33423360 33597440 35512320 35573760 35651584 35697280 37748736 37797120 37879808 37945344 40108032 40159440 40316928 41943040 42614784 42836736 44564480 47185920 47349760 47431680 50135040 50396160 50593792 53268480 53477376 53545920 53755904 56819712 56918016 57115648 60475392 62914560 63242240 64255104 66846720 67194880 71024640 71147520 71303168 71394560 75497472 75594240 75759616 75890688 80216064 80318880 80633856 85229568 85673472 89128960 94371840 94699520 94863360 100270080 100792320 101187584 106536960 106954752 107091840 107511808 113639424 113836032 114231296 120950784 125829120 126484480 128510208 133693440 134389760 142049280 142295040 142606336 142789120 151188480 151519232 151781376 160432128 160637760 161267712 170459136 171346944 178257920 188743680 189399040 189726720 200540160 201584640 202375168 213073920 213909504 214183680 215023616 227278848 227672064 228462592 241901568 252968960 257020416 267386880 268779520 284098560 284590080 285578240 302376960 303038464 303562752 320864256 321275520 322535424 340918272 342693888 356515840 377487360 378798080 379453440 401080320 403169280 404750336 426147840 427819008 428367360 430047232 454557696 455344128 456925184 483803136 505937920 514040832 534773760 537559040 568197120 569180160 571156480 604753920 606076928 607125504 641728512 642551040 645070848 681836544 685387776 713031680 757596160 758906880 802160640 806338560 809500672 852295680 856734720 860094464 909115392 910688256 913850368 967606272 1011875840 1028081664 1069547520 1075118080 1136394240 1138360320 1142312960 1209507840 1212153856 1214251008 1283457024 1285102080 1290141696 1363673088 1370775552 1515192320 1517813760 1604321280 1612677120 1619001344 1704591360 1713469440 1720188928 1818230784 1821376512 1827700736 1935212544 2023751680 2056163328 2139095040 2150236160 2272788480 2276720640 2284625920 2419015680 2424307712 2428502016 2570204160 2580283392 2727346176 2741551104 3030384640 3035627520 3208642560 3225354240 3409182720 3426938880 3440377856 3636461568 3642753024 3655401472 3870425088 4047503360 4112326656 4300472320 4545576960 4553441280 4569251840 4838031360 4857004032 5140408320 5160566784 5454692352 5483102208 6060769280 6071255040 6417285120 6450708480 6818365440 6853877760 6880755712 7272923136 7285506048 7310802944 7740850176 8095006720 8224653312 8600944640 9091153920 9106882560 9138503680 9676062720 10280816640 10321133568 10909384704 10966204416 12121538560 12142510080 12901416960 13636730880 13707755520 13761511424 14571012096 14621605888 15481700352 16449306624 17201889280 18182307840 18213765120 18277007360 19352125440 20561633280 20642267136 21818769408 21932408832 24285020160 25802833920 27273461760 27415511040 27523022848 29243211776 30963400704 32898613248 34403778560 36364615680 36427530240 36554014720 38704250880 41123266560 41284534272 43864817664 51605667840 54546923520 54831022080 58486423552 61926801408 65797226496 68807557120 72855060480 73108029440 77408501760 82246533120 82569068544 87729635328 103211335680 109093847040 109662044160 116972847104 123853602816 131594452992 137615114240 146216058880 154817003520 164493066240 175459270656 206422671360 219324088320 233945694208 247707205632 263188905984 292432117760 309634007040 328986132480 350918541312 412845342720 438648176640 467891388416 526377811968 584864235520 619268014080 657972264960 701837082624 877296353280 1052755623936 1169728471040 1238536028160 1315944529920 1403674165248 1754592706560 2105511247872 2339456942080 2631889059840 3509185413120 4211022495744 5263778119680 7018370826240 10527556239360 21055112478720
• Sum of all divisors σ(n): 77938954935660
• Sum of proper divisors (its aliquot sum) s(n): 56883842456940
• 21055112478720 is an abundant number, because the sum of its proper divisors (56883842456940) is greater than itself. Its abundance is 35828729978220

Bases of 21055112478720

• Binary: 100110010011001000110100000000000000000000000₂
• Hexadecimal: 0x132646800000
• Base-36: 7GOL2CCG0

Squares and roots of 21055112478720

• 21055112478720 squared (21055112478720²) is 443317761491550662452838400
• 21055112478720 cubed (21055112478720³) is 9334105332018965032853840359323598848000
• The square root of 21055112478720 is 4588585.0192319637
• The cube root of 21055112478720 is 27613.3557842909

Scales and comparisons

• 21,055,112,478,720 seconds is equal to 669,487 years, 23 weeks, 2 days, 11 hours, 12 minutes.
• To count from 1 to 21,055,112,478,720 would take you about one million, six hundred seventy-three thousand, seven hundred eighteen 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 21055112478720 cubic inches would be around 2301.1 feet tall.

Recreational maths with 21055112478720

• 21055112478720 backwards is 02787421155012
• 21055112478720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21055112478720's digits is 45
• More coming soon!