68165739931729920

Names of 68165739931729920

• Cardinal: 68165739931729920 can be written as Sixty-eight quadrillion, one hundred sixty-five trillion, seven hundred thirty-nine billion, nine hundred thirty-one million, seven hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.816573993172992 × 10¹⁶

Factors of 68165739931729920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 84822

Divisors of 68165739931729920

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 41 48 60 64 74 80 82 96 111 120 123 128 148 160 164 185 192 205 222 240 246 256 296 320 328 370 384 410 444 480 492 512 555 592 615 640 656 740 768 820 888 960 984 1024 1093 1110 1184 1230 1280 1312 1480 1517 1536 1640 1776 1920 1968 2048 2186 2220 2368 2460 2560 2624 2960 3034 3072 3279 3280 3552 3840 3936 4096 4372 4440 4551 4736 4920 5120 5248 5465 5920 6068 6144 6558 6560 7104 7585 7680 7872 8192 8744 8880 9102 9472 9840 10240 10496 10930 11840 12136 12288 13116 13120 14208 15170 15360 15744 16384 16395 17488 17760 18204 18944 19680 20480 20992 21860 22755 23680 24272 24576 26232 26240 28416 30340 30720 31488 32768 32790 34976 35520 36408 37888 39360 40441 40960 41984 43720 44813 45510 47360 48544 49152 52464 52480 56832 60680 61440 62976 65580 69952 71040 72816 75776 78720 80882 81920 83641 83968 87440 89626 91020 94720 97088 98304 104928 104960 113664 121323 121360 122880 125952 131160 134439 139904 142080 145632 151552 157440 161764 163840 167282 167936 174880 179252 182040 189440 194176 202205 209856 209920 224065 227328 242646 242720 245760 250923 251904 262320 268878 279808 284160 291264 303104 314880 323528 334564 335872 349760 358504 364080 378880 388352 404410 418205 419712 419840 448130 454656 485292 485440 491520 501846 503808 524640 537756 559616 568320 582528 606208 606615 629760 647056 669128 671744 672195 699520 717008 728160 757760 776704 808820 836410 839424 839680 896260 909312 970584 970880 1003692 1007616 1049280 1075512 1119232 1136640 1165056 1212416 1213230 1254615 1259520 1294112 1338256 1343488 1344390 1399040 1434016 1456320 1515520 1553408 1617640 1658081 1672820 1678848 1679360 1792520 1818624 1941168 1941760 2007384 2015232 2098560 2151024 2238464 2273280 2330112 2426460 2509230 2519040 2588224 2676512 2688780 2798080 2868032 2912640 3031040 3094717 3106816 3235280 3316162 3345640 3357696 3358720 3429281 3585040 3637248 3882336 3883520 4014768 4030464 4197120 4302048 4476928 4546560 4660224 4852920 4974243 5018460 5038080 5176448 5353024 5377560 5596160 5736064 5825280 6062080 6189434 6213632 6470560 6632324 6691280 6715392 6717440 6858562 7170080 7764672 7767040 8029536 8290405 8394240 8604096 8953856 9093120 9284151 9320448 9705840 9948486 10036920 10076160 10287843 10352896 10706048 10755120 11192320 11472128 11650560 12378868 12427264 12941120 13264648 13382560 13430784 13717124 14340160 15473585 15529344 15534080 16059072 16580810 16788480 17146405 17208192 17907712 18186240 18568302 18640896 19411680 19896972 20073840 20152320 20575686 20705792 21412096 21510240 22384640 22944256 23301120 24757736 24854528 24871215 25882240 26529296 26765120 26861568 27434248 28680320 30947170 31058688 31068160 32118144 33161620 33576960 34292810 34416384 35815424 37136604 37281792 38823360 39793944 40147680 41151372 41411584 42824192 43020480 44769280 45888512 46420755 46602240 49515472 49709056 49742430 51439215 51764480 53058592 53530240 53723136 54868496 57360640 61894340 62117376 62136320 64236288 66323240 67153920 68585620 68832768 74273208 74563584 77646720 79587888 80295360 82302744 82823168 85648384 86040960 89538560 91419613 91777024 92841510 93204480 99030944 99484860 102878430 103528960 106117184 107060480 107446272 109736992 114721280 123788680 124234752 124272640 126883397 128472576 132646480 134307840 137171240 137665536 148546416 149127168 155293440 159175776 160590720 164605488 165646336 171296768 172081920 179077120 182839226 183554048 185683020 186408960 198061888 198969720 205756860 207057920 212234368 214120960 219473984 229442560 247577360 248469504 248545280 253766794 256945152 265292960 268615680 274258839 274342480 275331072 297092832 310586880 318351552 321181440 329210976 331292672 342593536 344163840 365678452 367108096 371366040 372817920 380650191 396123776 397939440 411513720 414115840 424468736 428241920 438947968 457098065 458885120 495154720 496939008 507533588 513890304 530585920 537231360 548517678 548684960 550662144 594185664 621173760 634416985 636703104 642362880 658421952 662585344 685187072 688327680 731356904 734216192 742732080 745635840 761300382 792247552 795878880 823027440 828231680 848937472 856483840 877895936 914196130 917770240 990309440 993878016 1015067176 1027780608 1061171840 1097035356 1097369920 1101324288 1188371328 1242347520 1268833970 1273406208 1284725760 1316843904 1325170688 1370374144 1371294195 1376655360 1462713808 1468432384 1485464160 1522600764 1584495104 1591757760 1646054880 1656463360 1697874944 1712967680 1755791872 1828392260 1835540480 1903250955 1980618880 1987756032 2030134352 2055561216 2122343680 2194070712 2194739840 2202648576 2376742656 2484695040 2537667940 2546812416 2569451520 2633687808 2740748288 2742588390 2753310720 2925427616 2970928320 3045201528 3168990208 3183515520 3292109760 3312926720 3382525681 3395749888 3425935360 3511583744 3656784520 3671080960 3748204133 3806501910 3961237760 3975512064 4060268704 4111122432 4244687360 4388141424 4389479680 4405297152 4753485312 4969390080 5075335880 5093624832 5138903040 5267375616 5485176780 5506621440 5850855232 5941856640 6090403056 6337980416 6367031040 6584219520 6625853440 6765051362 6791499776 6851870720 7023167488 7313569040 7342161920 7496408266 7613003820 7922475520 8120537408 8222244864 8489374720 8776282848 8778959360 9506970624 9938780160 10147577043 10150671760 10187249664 10277806080 10534751232 10970353560 11013242880 11244612399 11701710464 11883713280 12180806112 12675960832 12734062080 13168439040 13530102724 13582999552 13703741440 14046334976 14627138080 14992816532 15226007640 15844951040 16241074816 16912628405 16978749440 17552565696 17557918720 18741020665 19013941248 19877560320 20295154086 20301343520 20374499328 20555612160 21069502464 21940707120 22026485760 22489224798 23403420928 23767426560 24361612224 25351921664 25468124160 26336878080 27060205448 27165999104 28092669952 29254276160 29985633064 30452015280 31689902080 32482149632 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253519216640 259857197056 270602054480 271659991040 277367105842 280841051136 280926699520 299856330640 304223059968 324722465376 324821496320 337112039424 351051313920 359827596768 374454734848 380278824960 389785795584 405903081720 407489986560 416050658763 421390049280 432963287168 449784495960 468068418560 479770129024 487232244480 507038433280 519714394112 541204108960 554734211684 561682102272 561853399040 599712661280 649444930752 649642992640 693417764605 702102627840 719655193536 748909469696 760557649920 779571591168 811806163440 814979973120 832101317526 842780098560 865926574336 899568991920 936136837120 959540258048 974464488960 1039428788224 1082408217920 1109468423368 1123364204544 1199425322560 1298889861504 1299285985280 1386835529210 1404205255680 1439310387072 1497818939392 1521115299840 1559143182336 1623612326880 1664202635052 1685560197120 1731853148672 1799137983840 1872273674240 1919080516096 1948928977920 2078857576448 2080253293815 2164816435840 2218936846736 2246728409088 2398850645120 2597779723008 2598571970560 2773671058420 2808410511360 2878620774144 2995637878784 3118286364672 3247224653760 3328405270104 3463706297344 3598275967680 3744547348480 3838161032192 3897857955840 4157715152896 4160506587630 4329632871680 4437873693472 4493456818176 4797701290240 5195559446016 5197143941120 5547342116840 5616821022720 5757241548288 6236572729344 6494449307520 6656810540208 6927412594688 7196551935360 7489094696960 7676322064384 7795715911680 8321013175260 8659265743360 8875747386944 8986913636352 9595402580480 10391118892032 10394287882240 11094684233680 11233642045440 11514483096576 12473145458688 12988898615040 13313621080416 13854825189376 14393103870720 14978189393920 15352644128768 15591431823360 16642026350520 17318531486720 17751494773888 19190805160960 20782237784064 20788575764480 22189368467360 22467284090880 23028966193152 25977797230080 26627242160832 27709650378752 28786207741440 30705288257536 31182863646720 33284052701040 34637062973440 35502989547776 38381610321920 41564475568128 44378736934720 44934568181760 46057932386304 51955594460160 53254484321664 55419300757504 57572415482880 61410576515072 62365727293440 66568105402080 69274125946880 71005979095552 76763220643840 83128951136256 88757473869440 92115864772608 103911188920320 106508968643328 110838601515008 115144830965760 122821153030144 133136210804160 138548251893760 142011958191104 153526441287680 166257902272512 177514947738880 184231729545216 207822377840640 213017937286656 230289661931520 266272421608320 277096503787520 284023916382208 307052882575360 332515804545024 355029895477760 368463459090432 415644755681280 426035874573312 460579323863040 532544843216640 554193007575040 568047832764416 614105765150720 710059790955520 831289511362560 852071749146624 921158647726080 1065089686433280 1136095665528832 1420119581911040 1662579022725120 1704143498293248 1842317295452160 2130179372866560 2272191331057664 2840239163822080 3408286996586496 4260358745733120 4544382662115328 5680478327644160 6816573993172992 8520717491466240 11360956655288320 13633147986345984 17041434982932480 22721913310576640 34082869965864960 68165739931729920
• Sum of all divisors σ(n): 229699031138478720
• Sum of proper divisors (its aliquot sum) s(n): 161533291206748800
• 68165739931729920 is an abundant number, because the sum of its proper divisors (161533291206748800) is greater than itself. Its abundance is 93367551275018880

Bases of 68165739931729920

• Binary: 11110010001011000110000100011010011110111000000000000000₂
• Hexadecimal: 0xF22C611A7B8000
• Base-36: IN6QKM83OQO

Squares and roots of 68165739931729920

• 68165739931729920 squared (68165739931729920²) is 4646568100440238958542403823206400
• 68165739931729920 cubed (68165739931729920³) is 316736752709681638443369129068886836333393215488000
• The square root of 68165739931729920 is 261085694.6133393959
• The cube root of 68165739931729920 is 408496.8554680047

Scales and comparisons

• 68,165,739,931,729,920 seconds is equal to 2,167,459,679 years, 18 weeks, 1 day, 21 hours, 52 minutes.
• To count from 1 to 68,165,739,931,729,920 would take you about six billion, five hundred two million, three hundred seventy-nine thousand and thirty-eight 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 68165739931729920 cubic inches would be around 34041.4 feet tall.

Recreational maths with 68165739931729920

• 68165739931729920 backwards is 02992713993756186
• The number of decimal digits it has is: 17
• The sum of 68165739931729920's digits is 87
• More coming soon!