155394640964454400

Names of 155394640964454400

• Cardinal: 155394640964454400 can be written as One hundred fifty-five quadrillion, three hundred ninety-four trillion, six hundred forty billion, nine hundred sixty-four million, four hundred fifty-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.553946409644544 × 10¹⁷

Factors of 155394640964454400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1356

Divisors of 155394640964454400

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 128 136 160 170 200 256 272 320 340 400 425 512 521 544 640 680 800 811 850 1024 1042 1088 1280 1360 1600 1622 1700 2048 2084 2176 2560 2605 2720 3200 3244 3400 4055 4168 4352 5120 5210 5440 6400 6488 6800 8110 8336 8704 8857 10240 10420 10880 12800 12976 13025 13600 13787 16220 16672 17408 17714 20275 20840 21760 25600 25952 26050 27200 27574 32440 33344 34816 35428 40550 41680 43520 44285 51200 51904 52100 54400 55148 64880 66688 68935 70856 81100 83360 87040 88570 103808 104200 108800 110296 129760 133376 137870 141712 162200 166720 174080 177140 207616 208400 217600 220592 221425 259520 266752 271441 275740 283424 324400 333440 344675 354280 415232 416800 422531 435200 441184 442850 519040 533504 542882 551480 566848 648800 657721 666880 689350 708560 830464 833600 845062 870400 882368 885700 1038080 1067008 1085764 1102960 1133696 1297600 1315442 1333760 1357205 1378700 1417120 1660928 1667200 1690124 1764736 1771400 2076160 2112655 2171528 2205920 2267392 2595200 2630884 2667520 2714410 2757400 2834240 3288605 3334400 3380248 3529472 3542800 4152320 4225310 4343056 4411840 4534784 4614497 5190400 5261768 5335040 5428820 5514800 5668480 6577210 6668800 6760496 6786025 7058944 7085600 7183027 8304640 8450620 8686112 8823680 9069568 9228994 10380800 10523536 10563275 10857640 11029600 11181257 11336960 13154420 13337600 13520992 13572050 14117888 14171200 14366054 16443025 16901240 17372224 17647360 18139136 18457988 20761600 21047072 21126550 21715280 22059200 22362514 22673920 23072485 26308840 26675200 27041984 27144100 28235776 28342400 28732108 32886050 33802480 34744448 35294720 35915135 36915976 41523200 42094144 42253100 43430560 44118400 44725028 45347840 46144970 52617680 54083968 54288200 55906285 56684800 57464216 65772100 67604960 69488896 70589440 71830270 73831952 84188288 84506200 86861120 88236800 89450056 90695680 92289940 105235360 108167936 108576400 111812570 113369600 114928432 115362425 131544200 135209920 138977792 141178880 143660540 147663904 168376576 169012400 173722240 176473600 178900112 179575675 184579880 210470720 216335872 217152800 220138651 223625140 226739200 229856864 230724850 263088400 270419840 277955584 279531425 287321080 295327808 336753152 338024800 342672641 347444480 352947200 357800224 359151350 369159760 420941440 432671744 434305600 440277302 447250280 453478400 459713728 461449700 526176800 540839680 555911168 559062850 574642160 590655616 673506304 676049600 685345282 694888960 705894400 715600448 718302700 738319520 841882880 865343488 868611200 880554604 894500560 919427456 922899400 1052353600 1081679360 1100693255 1118125700 1149284320 1181311232 1347012608 1352099200 1370690564 1389777920 1431200896 1436605400 1476639040 1683765760 1713363205 1737222400 1761109208 1789001120 1838854912 1845798800 2104707200 2163358720 2201386510 2236251400 2298568640 2362622464 2704198400 2741381128 2779555840 2862401792 2873210800 2953278080 3367531520 3426726410 3474444800 3522218416 3578002240 3677709824 3691597600 3742357067 4209414400 4326717440 4402773020 4472502800 4597137280 4725244928 5408396800 5482762256 5503466275 5724803584 5746421600 5825434897 5906556160 6735063040 6853452820 6948889600 7044436832 7156004480 7355419648 7383195200 7484714134 8418828800 8566816025 8805546040 8945005600 9194274560 9450489856 10816793600 10965524512 11006932550 11449607168 11492843200 11650869794 11813112320 13706905640 13897779200 14088873664 14312008960 14710839296 14766390400 14969428268 16837657600 17133632050 17611092080 17890011200 18388549120 18711785335 21633587200 21931049024 22013865100 22899214336 22985686400 23301739588 23626224640 27413811280 28177747328 28624017920 29127174485 29532780800 29938856536 33675315200 34267264100 35222184160 35780022400 36777098240 37423570670 43862098048 44027730200 45971372800 46603479176 47252449280 54827622560 56355494656 57248035840 58254348970 59065561600 59877713072 68534528200 70444368320 71560044800 73554196480 74847141340 87724196096 88055460400 91942745600 93206958352 93558926675 109655245120 112710989312 114496071680 116508697940 118131123200 119755426144 137069056400 140888736640 143120089600 145635872425 149694282680 175448392192 176110920800 178532445961 183885491200 186413916704 187117853350 219310490240 225421978624 233017395880 236262246400 239510852288 274138112800 281777473280 286240179200 291271744850 299388565360 350896784384 352221841600 357064891922 367770982400 372827833408 374235706700 438620980480 450843957248 466034791760 479021704576 548276225600 563554946560 572480358400 582543489700 598777130720 701793568768 704443683200 714129783844 745655666816 748471413400 877241960960 892662229805 932069583520 958043409152 1096552451200 1127109893120 1165086979400 1197554261440 1408887366400 1428259567688 1491311333632 1496942826800 1754483921920 1785324459610 1864139167040 1916086818304 2193104902400 2254219786240 2330173958800 2395108522880 2817774732800 2856519135376 2982622667264 2993885653600 3035051581337 3508967843840 3570648919220 3728278334080 3832173636608 4386209804800 4463311149025 4660347917600 4790217045760 5635549465600 5713038270752 5965245334528 5987771307200 6070103162674 7141297838440 7456556668160 7664347273216 8772419609600 8926622298050 9320695835200 9580434091520 11271098931200 11426076541504 11930490669056 11975542614400 12140206325348 14282595676880 14913113336320 15175257906685 17544839219200 17853244596100 18641391670400 19160868183040 22852153083008 23951085228800 24280412650696 28565191353760 29826226672640 30350515813370 35706489192200 37282783340800 38321736366080 45704306166016 47902170457600 48560825301392 57130382707520 59652453345280 60701031626740 71412978384400 74565566681600 75876289533425 91408612332032 95804340915200 97121650602784 114260765415040 121402063253480 142825956768800 149131133363200 151752579066850 182817224664064 191608681830400 194243301205568 228521530830080 242804126506960 285651913537600 298262266726400 303505158133700 365634449328128 388486602411136 457043061660160 485608253013920 571303827075200 607010316267400 776973204822272 914086123320320 971216506027840 1142607654150400 1214020632534800 1553946409644544 1828172246640640 1942433012055680 2285215308300800 2428041265069600 3107892819289088 3884866024111360 4570430616601600 4856082530139200 6215785638578176 7769732048222720 9140861233203200 9712165060278400 15539464096445440 19424330120556800 31078928192890880 38848660241113600 77697320482227200 155394640964454400
• Sum of all divisors σ(n): 409237545453617790
• Sum of proper divisors (its aliquot sum) s(n): 253842904489163390
• 155394640964454400 is an abundant number, because the sum of its proper divisors (253842904489163390) is greater than itself. Its abundance is 98448263524708990

Bases of 155394640964454400

• Binary: 1000101000000100101001101001000110101011111000100000000000₂
• Hexadecimal: 0x228129A46AF8800
• Base-36: 16I2SWJNI41S

Squares and roots of 155394640964454400

• 155394640964454400 squared (155394640964454400²) is 24147494440471689499004289679360000
• 155394640964454400 cubed (155394640964454400³) is 3752391228768256881978010965928345430533341184000000
• The square root of 155394640964454400 is 394201269.6129407445
• The cube root of 155394640964454400 is 537624.0388283007

Scales and comparisons

• 155,394,640,964,454,400 seconds is equal to 4,941,068,915 years, 25 weeks, 1 day, 17 hours, 46 minutes, 40 seconds.
• To count from 1 to 155,394,640,964,454,400 would take you about fourteen billion, eight hundred twenty-three million, two hundred six thousand, seven hundred forty-six 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 155394640964454400 cubic inches would be around 44802 feet tall.

Recreational maths with 155394640964454400

• 155394640964454400 backwards is 004454469046493551
• The number of decimal digits it has is: 18
• The sum of 155394640964454400's digits is 73
• More coming soon!