128998981123833856

Names of 128998981123833856

• Cardinal: 128998981123833856 can be written as One hundred twenty-eight quadrillion, nine hundred ninety-eight trillion, nine hundred eighty-one billion, one hundred twenty-three million, eight hundred thirty-three thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.28998981123833856 × 10¹⁷

Factors of 128998981123833856

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 29
• Sum of prime factors: 38

Divisors of 128998981123833856

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 49 56 58 64 98 112 116 128 196 203 224 232 256 343 392 406 448 464 512 686 784 812 841 896 928 1024 1372 1421 1568 1624 1682 1792 1856 2048 2401 2744 2842 3136 3248 3364 3584 3712 4096 4802 5488 5684 5887 6272 6496 6728 7168 7424 8192 9604 9947 10976 11368 11774 12544 12992 13456 14336 14848 16384 16807 19208 19894 21952 22736 23548 24389 25088 25984 26912 28672 29696 32768 33614 38416 39788 41209 43904 45472 47096 48778 50176 51968 53824 57344 59392 65536 67228 69629 76832 79576 82418 87808 90944 94192 97556 100352 103936 107648 114688 117649 118784 131072 134456 139258 153664 159152 164836 170723 175616 181888 188384 195112 200704 207872 215296 229376 235298 237568 268912 278516 288463 307328 318304 329672 341446 351232 363776 376768 390224 401408 415744 430592 458752 470596 475136 487403 537824 557032 576926 614656 636608 659344 682892 702464 727552 753536 780448 802816 823543 831488 861184 917504 941192 950272 974806 1075648 1114064 1153852 1195061 1229312 1273216 1318688 1365784 1404928 1455104 1507072 1560896 1605632 1647086 1662976 1722368 1882384 1900544 1949612 2019241 2151296 2228128 2307704 2390122 2458624 2546432 2637376 2731568 2809856 2910208 3014144 3121792 3211264 3294172 3325952 3411821 3444736 3764768 3801088 3899224 4038482 4302592 4456256 4615408 4780244 4917248 5092864 5274752 5463136 5619712 5764801 5820416 6028288 6243584 6422528 6588344 6651904 6823642 6889472 7529536 7798448 8076964 8365427 8605184 8912512 9230816 9560488 9834496 10185728 10549504 10926272 11239424 11529602 11640832 12056576 12487168 13176688 13303808 13647284 13778944 14134687 15059072 15596896 16153928 16730854 17210368 17825024 18461632 19120976 19668992 20371456 21099008 21852544 22478848 23059204 23281664 23882747 24113152 24974336 26353376 26607616 27294568 27557888 28269374 30118144 31193792 32307856 33461708 34420736 35650048 36923264 38241952 39337984 40353607 40742912 42198016 43705088 44957696 46118408 46563328 47765494 48226304 49948672 52706752 54589136 55115776 56538748 58557989 60236288 62387584 64615712 66923416 68841472 71300096 73846528 76483904 78675968 80707214 81485824 84396032 87410176 92236816 93126656 95530988 96452608 98942809 99897344 105413504 109178272 110231552 113077496 117115978 120472576 124775168 129231424 133846832 137682944 142600192 147693056 152967808 157351936 161414428 162971648 167179229 168792064 174820352 184473632 186253312 191061976 192905216 197885618 199794688 210827008 218356544 226154992 234231956 240945152 249550336 258462848 267693664 275365888 285200384 295386112 305935616 314703872 322828856 325943296 334358458 337584128 349640704 368947264 382123952 385810432 395771236 399589376 409905923 421654016 436713088 452309984 468463912 481890304 499100672 516925696 535387328 550731776 570400768 590772224 611871232 645657712 651886592 668716916 675168256 692599663 699281408 737894528 764247904 771620864 791542472 799178752 819811846 843308032 873426176 904619968 936927824 963780608 998201344 1033851392 1070774656 1101463552 1140801536 1170254603 1181544448 1223742464 1291315424 1303773184 1337433832 1350336512 1385199326 1398562816 1475789056 1528495808 1583084944 1598357504 1639623692 1686616064 1746852352 1809239936 1873855648 1927561216 1996402688 2067702784 2141549312 2202927104 2281603072 2340509206 2363088896 2447484928 2582630848 2674867664 2700673024 2770398652 2797125632 2869341461 2951578112 3056991616 3166169888 3196715008 3279247384 3373232128 3493704704 3618479872 3747711296 3855122432 3992805376 4135405568 4283098624 4563206144 4681018412 4726177792 4848197641 4894969856 5165261696 5349735328 5401346048 5540797304 5594251264 5738682922 5903156224 6113983232 6332339776 6558494768 6746464256 6987409408 7236959744 7495422592 7710244864 7985610752 8270811136 8566197248 9126412288 9362036824 9452355584 9696395282 9789939712 10330523392 10699470656 11081594608 11188502528 11477365844 11806312448 12227966464 12664679552 13116989536 13492928512 13974818816 14473919488 14990845184 15420489728 15971221504 16541622272 17132394496 18724073648 18904711168 19392790564 19579879424 20085390227 20661046784 21398941312 22163189216 22377005056 22954731688 23612624896 24455932928 25329359104 26233979072 26985857024 27949637632 28947838976 29981690368 31942443008 33083244544 33937383487 34264788992 37448147296 37809422336 38785581128 39159758848 40170780454 41322093568 42797882624 44326378432 45909463376 47225249792 48911865856 50658718208 52467958144 53971714048 55899275264 57895677952 59963380736 63884886016 66166489088 67874766974 68529577984 74896294592 77571162256 78319517696 80341560908 82644187136 85595765248 88652756864 91818926752 94450499584 97823731712 101317436416 104935916288 107943428096 111798550528 115791355904 119926761472 132332978176 135749533948 137059155968 140597731589 149792589184 155142324512 156639035392 160683121816 165288374272 171191530496 177305513728 183637853504 188900999168 195647463424 202634872832 209871832576 223597101056 231582711808 239853522944 264665956352 271499067896 274118311936 281195463178 299585178368 310284649024 321366243632 330576748544 342383060992 354611027456 367275707008 377801998336 391294926848 405269745664 419743665152 447194202112 463165423616 479707045888 542998135792 548236623872 562390926356 599170356736 620569298048 642732487264 661153497088 684766121984 709222054912 734551414016 755603996672 782589853696 810539491328 839487330304 926330847232 959414091776 984184121123 1085996271584 1096473247744 1124781852712 1198340713472 1241138596096 1285464974528 1322306994176 1369532243968 1418444109824 1469102828032 1565179707392 1621078982656 1678974660608 1852661694464 1918828183552 1968368242246 2171992543168 2249563705424 2396681426944 2482277192192 2570929949056 2644613988352 2739064487936 2836888219648 2938205656064 3130359414784 3242157965312 3357949321216 3837656367104 3936736484492 4343985086336 4499127410848 4793362853888 4964554384384 5141859898112 5289227976704 5478128975872 5673776439296 5876411312128 6484315930624 6715898642432 7675312734208 7873472968984 8687970172672 8998254821696 9586725707776 9929108768768 10283719796224 10956257951744 11347552878592 11752822624256 12968631861248 13431797284864 15746945937968 17375940345344 17996509643392 19173451415552 19858217537536 20567439592448 21912515903488 22695105757184 23505645248512 26863594569728 31493891875936 34751880690688 35993019286784 38346902831104 39716435075072 41134879184896 45390211514368 47011290497024 53727189139456 62987783751872 69503761381376 71986038573568 76693805662208 79432870150144 82269758369792 90780423028736 94022580994048 125975567503744 139007522762752 143972077147136 153387611324416 158865740300288 164539516739584 188045161988096 251951135007488 278015045525504 287944154294272 317731480600576 329079033479168 376090323976192 503902270014976 556030091051008 575888308588544 635462961201152 658158066958336 1007804540029952 1112060182102016 1151776617177088 1316316133916672 2015609080059904 2224120364204032 2303553234354176 2632632267833344 4031218160119808 4448240728408064 4607106468708352 8062436320239616 9214212937416704 16124872640479232 18428425874833408 32249745280958464 64499490561916928 128998981123833856
• Sum of all divisors σ(n): 311745906622513440
• Sum of proper divisors (its aliquot sum) s(n): 182746925498679584
• 128998981123833856 is an abundant number, because the sum of its proper divisors (182746925498679584) is greater than itself. Its abundance is 53747944374845728

Bases of 128998981123833856

• Binary: 111001010010010111110001111001110010001100000000000000000₂
• Hexadecimal: 0x1CA4BE3CE460000
• Base-36: ZA6BLTE4ZR4

Squares and roots of 128998981123833856

• 128998981123833856 squared (128998981123833856²) is 16640737130987243489936295891828736
• 128998981123833856 cubed (128998981123833856³) is 2146638135046904579813193373130101885160127270486016
• The square root of 128998981123833856 is 359164281.5256465003
• The cube root of 128998981123833856 is 505276.1044456857

Scales and comparisons

• 128,998,981,123,833,856 seconds is equal to 4,101,768,579 years, 35 weeks, 6 days, 8 hours, 4 minutes, 16 seconds.
• To count from 1 to 128,998,981,123,833,856 would take you about twelve billion, three hundred five million, three hundred five thousand, seven hundred thirty-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 128998981123833856 cubic inches would be around 42106.3 feet tall.

Recreational maths with 128998981123833856

• 128998981123833856 backwards is 658338321189899821
• The number of decimal digits it has is: 18
• The sum of 128998981123833856's digits is 94
• More coming soon!