6438628434816825

Names of 6438628434816825

• Cardinal: 6438628434816825 can be written as Six quadrillion, four hundred thirty-eight trillion, six hundred twenty-eight billion, four hundred thirty-four million, eight hundred sixteen thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 6.438628434816825 × 10¹⁵

Factors of 6438628434816825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 201

Divisors of 6438628434816825

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 13 15 25 39 65 75 79 101 169 195 237 303 325 395 505 507 845 975 1027 1185 1313 1515 1975 2525 2535 3081 3939 4225 5135 5925 6241 6565 7575 7979 10201 12675 13351 15405 17069 18723 19695 23937 25675 30603 31205 32825 39895 40053 51005 51207 66755 77025 81133 85345 93615 98475 103727 119685 132613 153015 156025 199475 200265 243399 255025 256035 311181 333775 397839 405665 426725 468075 493039 518635 598425 630341 663065 765075 805879 1001325 1030301 1054729 1216995 1280175 1348451 1479117 1555905 1723969 1891023 1989195 2028325 2417637 2465195 2593175 3090903 3151705 3164187 3315325 4029395 4045353 5151505 5171907 5273645 6084975 6409507 6742255 7395585 7779525 8194433 8619845 9455115 9945975 10476427 12088185 12325975 13393913 15454515 15758525 15820935 19228521 20146975 20226765 24583299 25757525 25859535 26368225 31429281 32047535 33711275 36977925 40181739 40972165 43099225 47275575 49796939 52382135 60440925 63664441 66969565 77272575 79104675 81393779 83323591 96142605 101133825 106527629 122916495 129297675 136193551 149390817 157146405 160237675 174120869 190993323 200908695 204860825 244181337 248984695 249970773 261910675 318322205 319582887 334847825 406968895 408580653 416617955 480713025 522362607 532638145 614582475 647360207 680967755 746954085 785732025 827637733 870604345 954966615 1004543475 1058119127 1220906685 1244923475 1249853865 1591611025 1597914435 1942080621 2034844475 2042903265 2083089775 2482913199 2611813035 2663190725 3174357381 3236801035 3404838775 3734770425 4138188665 4353021725 4774833075 5029490839 5290595635 6104533425 6249269325 6430108541 7989572175 8415682691 9710403105 10214516325 10759290529 12414565995 13059065175 13755548651 15088472517 15871786905 16184005175 19290325623 20690943325 25147454195 25247048073 26452978175 32150542705 32277871587 41266645953 42078413455 48552015525 53796452645 62072829975 65383380907 68777743255 75442362585 79358934525 83591411033 96451628115 125737270975 126235240365 160752713525 161389357935 196150142721 206333229765 210392067275 250774233099 268982263225 326916904535 343888716275 377211812925 417957055165 482258140575 507978574739 631176201825 806946789675 849983951791 980750713605 1031666148825 1086688343429 1253871165495 1523935724217 1634584522675 2089785275825 2539892873695 2549951855373 3260065030287 4249919758955 4903753568025 5433441717145 6269355827475 6603721471607 7619678621085 12699464368475 12749759276865 16300325151435 19811164414821 21249598794775 27167208585725 33018607358035 38098393105425 63748796384325 81501625757175 85848379130891 99055822074105 165093036790175 257545137392673 429241895654455 495279110370525 1287725686963365 2146209478272275 6438628434816825
• Sum of all divisors σ(n): 11791580416980480
• Sum of proper divisors (its aliquot sum) s(n): 5352951982163655
• 6438628434816825 is a deficient number, because the sum of its proper divisors (5352951982163655) is less than itself. Its deficiency is 1085676452653170

Bases of 6438628434816825

• Binary: 10110110111111110011000000000101100101010111100111001₂
• Hexadecimal: 0x16DFE600B2AF39
• Base-36: 1REAX2HMOMX

Squares and roots of 6438628434816825

• 6438628434816825 squared (6438628434816825²) is 41455936121631757697871303080625
• 6438628434816825 cubed (6438628434816825³) is 266919369104688162613464413769107646630081515625
• The square root of 6438628434816825 is 80241064.5169717637
• The cube root of 6438628434816825 is 186036.3404040939

Scales and comparisons

• 6,438,628,434,816,825 seconds is equal to 204,728,468 years, 12 weeks, 4 days, 13 minutes, 45 seconds.
• To count from 1 to 6,438,628,434,816,825 would take you about six hundred fourteen million, one hundred eighty-five thousand, four hundred four 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 6438628434816825 cubic inches would be around 15503 feet tall.

Recreational maths with 6438628434816825

• 6438628434816825 backwards is 5286184348268346
• The number of decimal digits it has is: 16
• The sum of 6438628434816825's digits is 78
• More coming soon!