221489531090729424

Names of 221489531090729424

• Cardinal: 221489531090729424 can be written as Two hundred twenty-one quadrillion, four hundred eighty-nine trillion, five hundred thirty-one billion, ninety million, seven hundred twenty-nine thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.21489531090729424 × 10¹⁷

Factors of 221489531090729424

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1060961

Divisors of 221489531090729424

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 193 216 324 386 432 503 579 648 772 1006 1158 1296 1509 1544 1663 1737 2012 2316 3018 3088 3326 3474 4024 4527 4632 4989 5211 6036 6652 6948 8048 9054 9264 9978 10422 12072 13304 13581 13896 14967 15633 18108 19956 20844 24144 26608 27162 27792 29934 31266 36216 39912 40743 41688 44901 54324 59868 62532 72432 79824 81486 83376 89802 97079 108648 119736 125064 134703 162972 179604 194158 217296 239472 250128 269406 291237 320959 325944 359208 388316 538812 582474 641918 651888 718416 776632 836489 873711 962877 1058597 1077624 1164948 1283836 1553264 1672978 1747422 1925754 2117194 2155248 2329896 2509467 2567672 2621133 2888631 3175791 3345956 3494844 3851508 4234388 4659792 5018934 5135344 5242266 5777262 6351582 6691912 6989688 7528401 7703016 7863399 8468776 8665893 9527373 10037868 10484532 11554524 12703164 13383824 13979376 15056802 15406032 15726798 16937552 17331786 19054746 20075736 20969064 22585203 23109048 25406328 25997679 28582119 30113604 31453596 34663572 38109492 40151472 41938128 45170406 46218096 50812656 51995358 57164238 60227208 62907192 67755609 69327144 76218984 85746357 90340812 103990716 114328476 120454416 125814384 135511218 138654288 152437968 161442377 171492714 180681624 204309221 207981432 228656952 271022436 322884754 342985428 361363248 408618442 415962864 457313904 484327131 532474291 542044872 612927663 645769508 685970856 817236884 968654262 1064948582 1084089744 1225855326 1291539016 1371941712 1452981393 1597422873 1634473768 1760446811 1838782989 1937308524 2129897164 2451710652 2583078032 2905962786 3194845746 3268947536 3520893622 3677565978 3874617048 4259794328 4358944179 4792268619 4903421304 5281340433 5516348967 5811925572 6389691492 7041787244 7355131956 7749234096 8519588656 8717888358 9584537238 9806842608 10562680866 11032697934 11623851144 12779382984 13076832537 14083574488 14376805857 14710263912 15844021299 16549046901 17435776716 19169074476 21125361732 22065395868 23247702288 25558765968 26153665074 28167148976 28753611714 29420527824 31688042598 33098093802 34871553432 38338148952 42250723464 43130417571 44130791736 47532063897 52307330148 57507223428 63376085196 66196187604 69743106864 76676297904 84501446928 86260835142 88261583472 95064127794 102767538163 104614660296 115014446856 126752170392 132392375208 142596191691 172521670284 190128255588 205535076326 209229320592 230028893712 253504340784 264784750416 285192383382 308302614489 339766234523 345043340568 380256511176 411070152652 570384766764 616605228978 679532469046 690086681136 760513022352 822140305304 885504745933 924907843467 1019298703569 1140769533528 1233210457956 1359064938092 1644280610608 1771009491866 1849815686934 2038597407138 2281539067056 2466420915912 2656514237799 2718129876184 2774723530401 3057896110707 3542018983732 3699631373868 4077194814276 4932841831824 5313028475598 5436259752368 5549447060802 6115792221414 7084037967464 7399262747736 7969542713397 8154389628552 8324170591203 9173688332121 10626056951196 11098894121604 12231584442828 14168075934928 14798525495472 15939085426794 16308779257104 16648341182406 18347376664242 21252113902392 22197788243208 23908628140191 24463168885656 27521064996363 31878170853588 33296682364812 36694753328484 42504227804784 44395576486416 47817256280382 48926337771312 55042129992726 63756341707176 66593364729624 71725884420573 73389506656968 95634512560764 110084259985452 127512683414352 133186729459248 143451768841146 146779013313936 170902415965069 191269025121528 220168519970904 286903537682292 341804831930138 382538050243056 440337039941808 512707247895207 573807075364584 683609663860276 1025414495790414 1147614150729168 1367219327720552 1538121743685621 2050828991580828 2734438655441104 3076243487371242 4101657983161656 4614365231056863 6152486974742484 8203315966323312 9228730462113726 12304973949484968 13843095693170589 18457460924227452 24609947898969936 27686191386341178 36914921848454904 55372382772682356 73829843696909808 110744765545364712 221489531090729424
• Sum of all divisors σ(n): 646046416134991872
• Sum of proper divisors (its aliquot sum) s(n): 424556885044262448
• 221489531090729424 is an abundant number, because the sum of its proper divisors (424556885044262448) is greater than itself. Its abundance is 203067353953533024

Bases of 221489531090729424

• Binary: 1100010010111000111000111000010110001000010111100111010000₂
• Hexadecimal: 0x312E38E162179D0
• Base-36: 1OKVHHW97100

Squares and roots of 221489531090729424

• 221489531090729424 squared (221489531090729424²) is 49057612382791196147552116379371776
• 221489531090729424 cubed (221489531090729424³) is 10865747563095183419956237793662895269958422718337024
• The square root of 221489531090729424 is 470626742.8554495393
• The cube root of 221489531090729424 is 605040.4372404699

Scales and comparisons

• 221,489,531,090,729,424 seconds is equal to 7,042,681,976 years, 30 weeks, 2 days, 50 minutes, 24 seconds.
• To count from 1 to 221,489,531,090,729,424 would take you about twenty-one billion, one hundred twenty-eight million, forty-five thousand, nine hundred twenty-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 221489531090729424 cubic inches would be around 50420 feet tall.

Recreational maths with 221489531090729424

• 221489531090729424 backwards is 424927090135984122
• 221489531090729424 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 221489531090729424's digits is 72
• More coming soon!