20428146866139400

Names of 20428146866139400

• Cardinal: 20428146866139400 can be written as Twenty quadrillion, four hundred twenty-eight trillion, one hundred forty-six billion, eight hundred sixty-six million, one hundred thirty-nine thousand, four hundred.

Scientific notation

• Scientific notation: 2.04281468661394 × 10¹⁶

Factors of 20428146866139400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6316

Divisors of 20428146866139400

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 17 20 23 25 34 40 46 50 68 85 92 100 115 136 170 184 200 230 289 340 391 425 460 529 575 578 680 782 850 920 1058 1150 1156 1445 1564 1700 1955 2116 2300 2312 2645 2890 3128 3400 3910 4232 4600 4913 5290 5780 6269 6647 7225 7820 8993 9775 9826 10580 11560 12538 13225 13294 14450 15640 17986 19550 19652 21160 24565 25076 26450 26588 28900 31345 33235 35972 39100 39304 44965 49130 50152 52900 53176 57800 62690 66470 71944 78200 89930 98260 105800 106573 112999 122825 125380 132940 144187 152881 156725 166175 179860 196520 213146 224825 225998 245650 250760 265880 288374 305762 313450 332350 359720 426292 449650 451996 491300 532865 564995 576748 611524 626900 664700 720935 764405 852584 899300 903992 982600 1065730 1129990 1153496 1223048 1253800 1329400 1441870 1528810 1798600 1811741 2131460 2259980 2451179 2598977 2664325 2824975 2883740 3057620 3316301 3604675 3623482 3822025 4262920 4519960 4902358 5197954 5328650 5649950 5767480 6115240 6632602 7209350 7246964 7644050 9058705 9804716 10395908 10657300 11299900 12255895 12994885 13265204 14418700 14493928 15288100 16581505 18117410 19609432 20791816 21314600 22599800 24511790 25989770 26530408 28837400 30576200 30799597 33163010 36234820 39300361 41670043 45293525 49023580 51979540 56377117 61279475 61599194 64974425 66326020 72469640 78600722 82907525 83340086 90587050 98047160 103959080 112754234 122558950 123198388 129948850 132652040 153997985 157201444 165815050 166680172 181174100 196501805 208350215 225508468 245117900 246396776 259897700 281885585 307995970 314402888 331630100 333360344 362348200 393003610 416700430 451016936 490235800 519795400 563771170 615991940 663260200 668106137 708390731 769989925 786007220 833400860 903908303 958410989 982509025 1041751075 1127542340 1231983880 1336212274 1409427925 1416781462 1539979850 1572014440 1666801720 1807816606 1916821978 1965018050 2083502150 2255084680 2672424548 2818855850 2833562924 3079959700 3340530685 3541953655 3615633212 3833643956 3930036100 4167004300 4519541515 4792054945 5344849096 5637711700 5667125848 6159919400 6681061370 7083907310 7231266424 7667287912 7860072200 8334008600 9039083030 9584109890 11275423400 11357804329 13362122740 14167814620 15366441151 16292986813 16702653425 17709768275 18078166060 19168219780 20789890969 22597707575 22715608658 23960274725 26724245480 28335629240 30732882302 32585973626 33405306850 35419536550 36156332120 38336439560 41579781938 45195415150 45431217316 47920549450 56789021645 61465764604 65171947252 66810613700 70839073100 76832205755 81464934065 83159563876 90390830300 90862434632 95841098900 103949454845 113578043290 122931529208 130343894504 133621227400 141678146200 153664411510 162929868130 166319127752 180781660600 191682197800 193082673593 207898909690 227156086580 261229499567 283945108225 307328823020 325859736260 353428146473 384161028775 386165347186 407324670325 415797819380 454312173160 519747274225 522458999134 567890216450 614657646040 651719472520 706856292946 768322057550 772330694372 814649340650 831595638760 965413367965 1039494548450 1044917998268 1135780432900 1306147497835 1413712585892 1536644115100 1544661388744 1629298681300 1767140732365 1930826735930 2078989096900 2089835996536 2271560865800 2612294995670 2827425171784 3073288230200 3258597362600 3534281464730 3861653471860 4157978193800 4440901492639 4827066839825 5224589991340 6008278490041 6530737489175 7068562929460 7723306943720 8835703661825 8881802985278 9654133679650 10449179982680 12016556980082 13061474978350 14137125858920 17671407323650 17763605970556 19308267359300 22204507463195 24033113960164 26122949956700 30041392450205 35342814647300 35527211941112 38616534718600 44409014926390 48066227920328 52245899913400 60082784900410 70685629294600 88818029852780 102140734330697 111022537315975 120165569800820 150206962251025 177636059705560 204281468661394 222045074631950 240331139601640 300413924502050 408562937322788 444090149263900 510703671653485 600827849004100 817125874645576 888180298527800 1021407343306970 1201655698008200 2042814686613940 2553518358267425 4085629373227880 5107036716534850 10214073433069700 20428146866139400
• Sum of all divisors σ(n): 52761168940743900
• Sum of proper divisors (its aliquot sum) s(n): 32333022074604500
• 20428146866139400 is an abundant number, because the sum of its proper divisors (32333022074604500) is greater than itself. Its abundance is 11904875208465100

Bases of 20428146866139400

• Binary: 1001000100100110100101010010101011000000011000100001000₂
• Hexadecimal: 0x48934A95603108
• Base-36: 5L56944Z6RS

Squares and roots of 20428146866139400

• 20428146866139400 squared (20428146866139400²) is 417309184384560989302260232360000
• 20428146866139400 cubed (20428146866139400³) is 8524853307196658612704034694310100860150984000000
• The square root of 20428146866139400 is 142927068.3465500877
• The cube root of 20428146866139400 is 273365.0510793379

Scales and comparisons

• 20,428,146,866,139,400 seconds is equal to 649,551,881 years, 48 weeks, 4 days, 18 hours, 16 minutes, 40 seconds.
• To count from 1 to 20,428,146,866,139,400 would take you about one billion, nine hundred forty-eight million, six hundred fifty-five thousand, six hundred forty-five 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 20428146866139400 cubic inches would be around 22780.4 feet tall.

Recreational maths with 20428146866139400

• 20428146866139400 backwards is 00493166864182402
• The number of decimal digits it has is: 17
• The sum of 20428146866139400's digits is 64
• More coming soon!