216728467861840128

Names of 216728467861840128

• Cardinal: 216728467861840128 can be written as Two hundred sixteen quadrillion, seven hundred twenty-eight trillion, four hundred sixty-seven billion, eight hundred sixty-one million, eight hundred forty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.16728467861840128 × 10¹⁷

Factors of 216728467861840128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 995

Divisors of 216728467861840128

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 331 384 432 576 659 662 768 864 993 1152 1318 1324 1728 1977 1986 2304 2636 2648 2979 3456 3954 3972 5272 5296 5931 5958 6912 7908 7944 8937 10544 10592 11862 11916 15816 15888 17793 17874 21088 21184 23724 23832 31632 31776 35586 35748 42176 42368 47448 47664 63264 63552 71172 71496 84352 84736 94896 95328 109561 126528 127104 142344 142992 168704 189792 190656 218129 219122 253056 254208 284688 285984 328683 379584 381312 434281 436258 438244 506112 569376 571968 654387 657366 759168 762624 868562 872516 876488 986049 1138752 1143936 1302843 1308774 1314732 1518336 1737124 1745032 1752976 1963161 1972098 2277504 2287872 2605686 2617548 2629464 2958147 3474248 3490064 3505952 3908529 3926322 3944196 4555008 5211372 5235096 5258928 5889483 5916294 6948496 6980128 7011904 7817058 7852644 7888392 10422744 10470192 10517856 11725587 11778966 11832588 13896992 13960256 14023808 15634116 15705288 15776784 20845488 20940384 21035712 23451174 23557932 23665176 27793984 27920512 28047616 31268232 31410576 31553568 41690976 41880768 42071424 46902348 47115864 47330352 55587968 55841024 62536464 62821152 63107136 72200699 83381952 83761536 84142848 93804696 94231728 94660704 111175936 125072928 125642304 126214272 143747011 144401398 166763904 167523072 187609392 188463456 189321408 216602097 250145856 251284608 252428544 286191179 287494022 288802796 333527808 375218784 376926912 378642816 431241033 433204194 500291712 502569216 572382358 574988044 577605592 649806291 750437568 753853824 757285632 858573537 862482066 866408388 1000583424 1144764716 1149976088 1155211184 1293723099 1299612582 1500875136 1507707648 1717147074 1724964132 1732816776 1949418873 2289529432 2299952176 2310422368 2575720611 2587446198 2599225164 3001750272 3434294148 3449928264 3465633552 3881169297 3898837746 4579058864 4599904352 4620844736 5151441222 5174892396 5198450328 6868588296 6899856528 6931267104 7727161833 7762338594 7797675492 9158117728 9199808704 9241689472 10302882444 10349784792 10396900656 13737176592 13799713056 13862534208 15454323666 15524677188 15595350984 18316235456 18399617408 18483378944 20605764888 20699569584 20793801312 27474353184 27599426112 27725068416 30908647332 31049354376 31190701968 36632470912 36799234816 41211529776 41399139168 41587602624 47580260641 54948706368 55198852224 55450136832 61817294664 62098708752 62381403936 73264941824 82423059552 82798278336 83175205248 94729280249 95160521282 109897412736 110397704448 123634589328 124197417504 124762807872 142740781923 164846119104 165596556672 166350410496 189458560498 190321042564 219794825472 247269178656 248394835008 249525615744 284187840747 285481563846 329692238208 331193113344 378917120996 380642085128 428222345769 494538357312 496789670016 499051231488 568375681494 570963127692 659384476416 757834241992 761284170256 852563522241 856444691538 989076714624 993579340032 1136751362988 1141926255384 1284667037307 1515668483984 1522568340512 1705127044482 1712889383076 1978153429248 2273502725976 2283852510768 2557690566723 2569334074614 3031336967968 3045136681024 3410254088964 3425778766152 4547005451952 4567705021536 5115381133446 5138668149228 6062673935936 6090273362048 6820508177928 6851557532304 9094010903904 9135410043072 10230762266892 10277336298456 12125347871872 12180546724096 13641016355856 13703115064608 18188021807808 18270820086144 20461524533784 20554672596912 24250695743744 27282032711712 27406230129216 31355391762419 36376043615616 36541640172288 40923049067568 41109345193824 54564065423424 54812460258432 62710783524838 72752087231232 81846098135136 82218690387648 94066175287257 109128130846848 109624920516864 125421567049676 163692196270272 164437380775296 188132350574514 218256261693696 250843134099352 282198525861771 327384392540544 328874761550592 376264701149028 501686268198704 564397051723542 654768785081088 752529402298056 846595577585313 1003372536397408 1128794103447084 1505058804596112 1693191155170626 2006745072794816 2257588206894168 3010117609192224 3386382310341252 4013490145589632 4515176413788336 6020235218384448 6772764620682504 8026980291179264 9030352827576672 12040470436768896 13545529241365008 18060705655153344 24080940873537792 27091058482730016 36121411310306688 54182116965460032 72242822620613376 108364233930920064 216728467861840128
• Sum of all divisors σ(n): 643823293953470400
• Sum of proper divisors (its aliquot sum) s(n): 427094826091630272
• 216728467861840128 is an abundant number, because the sum of its proper divisors (427094826091630272) is greater than itself. Its abundance is 210366358229790144

Bases of 216728467861840128

• Binary: 1100000001111110010110010010101011100111101010000100000000₂
• Hexadecimal: 0x301F964AB9EA100
• Base-36: 1N9ZTVN5Q2O0

Squares and roots of 216728467861840128

• 216728467861840128 squared (216728467861840128²) is 46971228781740669223815958231056384
• 216728467861840128 cubed (216728467861840128³) is 10180002447454622658004374944212087985179615561777152
• The square root of 216728467861840128 is 465541048.5250899205
• The cube root of 216728467861840128 is 600673.7504302241

Scales and comparisons

• 216,728,467,861,840,128 seconds is equal to 6,891,294,892 years, 43 weeks, 4 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 216,728,467,861,840,128 would take you about twenty billion, six hundred seventy-three million, eight hundred eighty-four thousand, six hundred seventy-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 216728467861840128 cubic inches would be around 50056.1 feet tall.

Recreational maths with 216728467861840128

• 216728467861840128 backwards is 821048168764827612
• The number of decimal digits it has is: 18
• The sum of 216728467861840128's digits is 81
• More coming soon!