644140731135806112

Names of 644140731135806112

• Cardinal: 644140731135806112 can be written as Six hundred forty-four quadrillion, one hundred forty trillion, seven hundred thirty-one billion, one hundred thirty-five million, eight hundred six thousand, one hundred twelve.

Scientific notation

• Scientific notation: 6.44140731135806112 × 10¹⁷

Factors of 644140731135806112

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7045136

Divisors of 644140731135806112

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 73 78 96 104 146 156 208 219 292 312 416 438 584 624 876 949 991 1013 1168 1248 1752 1898 1982 2026 2336 2847 2973 3039 3504 3796 3964 4052 5694 5946 6078 7008 7592 7928 8104 11388 11892 12156 12883 13169 15184 15856 16208 22776 23784 24312 25766 26338 30368 31712 32416 38649 39507 45552 47568 48624 51532 52676 72343 73949 77298 79014 91104 95136 97248 103064 105352 144686 147898 154596 158028 206128 210704 217029 221847 289372 295796 309192 316056 412256 421408 434058 443694 578744 591592 618384 632112 868116 887388 940459 961337 1003883 1157488 1183184 1236768 1264224 1736232 1774776 1880918 1922674 2007766 2314976 2366368 2821377 2884011 3011649 3472464 3549552 3761836 3845348 4015532 5642754 5768022 6023298 6944928 7043041 7099104 7523672 7690696 8031064 11285508 11536044 12046596 13050479 14086082 15047344 15381392 16062128 21129123 22571016 23072088 24093192 26100958 28172164 30094688 30762784 32124256 39151437 42258246 45142032 46144176 48186384 52201916 56344328 73283459 78302874 84516492 90284064 91559533 92288352 96372768 104403832 112688656 146566918 156605748 169032984 183119066 208807664 219850377 225377312 274678599 293133836 313211496 338065968 366238132 417615328 439700754 514141993 549357198 586267672 626422992 676131936 732476264 879401508 952684967 1028283986 1098714396 1172535344 1252845984 1464952528 1542425979 1758803016 1905369934 2056567972 2197428792 2345070688 2858054901 2929905056 3084851958 3517606032 3810739868 4113135944 4394857584 5716109802 6169703916 6683845909 6979653631 7035212064 7134600533 7621479736 8226271888 8789715168 11432219604 12339407832 13367691818 13959307262 14269201066 15242959472 16452543776 20051537727 20938960893 21403801599 22864439208 24678815664 26735383636 27918614524 28538402132 30485918944 40103075454 41877921786 42807603198 45728878416 49357631328 53470767272 55837229048 57076804264 80206150908 83755843572 85615206396 90735497203 91457756832 92749806929 106941534544 111674458096 114153608528 160412301816 167511687144 171230412792 181470994406 185499613858 213883069088 223348916192 228307217056 272206491609 278249420787 320824603632 335023374288 342460825584 362941988812 370999227716 509514715063 520825838909 544412983218 556498841574 641649207264 670046748576 684921651168 725883977624 741998455432 1019029430126 1041651677818 1088825966436 1112997683148 1451767955248 1483996910864 1528544145189 1562477516727 2038058860252 2083303355636 2177651932872 2225995366296 2903535910496 2967993821728 3057088290378 3124955033454 4076117720504 4166606711272 4355303865744 4451990732592 6114176580756 6249910066908 6623691295819 6770735905817 7070389128203 8152235441008 8333213422544 8710607731488 8903981465184 12228353161512 12499820133816 13247382591638 13541471811634 14140778256406 16304470882016 16666426845088 19871073887457 20312207717451 21211167384609 24456706323024 24999640267632 26494765183276 27082943623268 28281556512812 39742147774914 40624415434902 42422334769218 48913412646048 49999280535264 52989530366552 54165887246536 56563113025624 79484295549828 81248830869804 84844669538436 91915058666639 105979060733104 108331774493072 113126226051248 158968591099656 162497661739608 169689339076872 183830117333278 211958121466208 216663548986144 226252452102496 275745175999917 317937182199312 324995323479216 339378678153744 367660234666556 516138406358819 551490351999834 635874364398624 649990646958432 678757356307488 735320469333112 1032276812717638 1102980703999668 1470640938666224 1548415219076457 2064553625435276 2205961407999336 2941281877332448 3096830438152914 4129107250870552 4411922815998672 6193660876305828 6709799282664647 8258214501741104 8823845631997344 12387321752611656 13419598565329294 16516429003482208 20129397847993941 24774643505223312 26839197130658588 40258795695987882 49549287010446624 53678394261317176 80517591391975764 107356788522634352 161035182783951528 214713577045268704 322070365567903056 644140731135806112
• Sum of all divisors σ(n): 1849567568391309312
• Sum of proper divisors (its aliquot sum) s(n): 1205426837255503200
• 644140731135806112 is an abundant number, because the sum of its proper divisors (1205426837255503200) is greater than itself. Its abundance is 561286106119697088

Bases of 644140731135806112

• Binary: 100011110000011100101001010100001000101101011100101010100000₂
• Hexadecimal: 0x8F0729508B5CAA0
• Base-36: 4W6GTYQPFI5C

Squares and roots of 644140731135806112

• 644140731135806112 squared (644140731135806112²) is 414917281508170857534339044056556544
• 644140731135806112 cubed (644140731135806112³) is 267265121071554261448300189833876029658111316348796928
• The square root of 644140731135806112 is 802583784.4959279465
• The cube root of 644140731135806112 is 863628.4102824211

Scales and comparisons

• 644,140,731,135,806,112 seconds is equal to 20,481,682,792 years, 6 days, 1 hour, 15 minutes, 12 seconds.
• To count from 1 to 644,140,731,135,806,112 would take you about sixty-one billion, four hundred forty-five million, forty-eight thousand, three hundred seventy-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 644140731135806112 cubic inches would be around 71969 feet tall.

Recreational maths with 644140731135806112

• 644140731135806112 backwards is 211608531137041446
• The number of decimal digits it has is: 18
• The sum of 644140731135806112's digits is 57
• More coming soon!