1438778686717709568

Names of 1438778686717709568

• Cardinal: 1438778686717709568 can be written as One quintillion, four hundred thirty-eight quadrillion, seven hundred seventy-eight trillion, six hundred eighty-six billion, seven hundred seventeen million, seven hundred nine thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.438778686717709568 × 10¹⁸

Factors of 1438778686717709568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8109998910544

Divisors of 1438778686717709568

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 64 66 72 77 84 88 96 99 112 126 128 132 144 154 168 176 192 198 224 231 252 256 264 288 308 336 352 384 396 448 462 504 528 576 616 672 693 704 768 792 896 924 1008 1056 1152 1232 1344 1386 1408 1584 1792 1848 2016 2112 2304 2464 2688 2772 2816 3168 3696 4032 4224 4928 5376 5544 6336 7392 8064 8448 9856 11088 12672 14784 16128 19712 22176 25344 29568 44352 59136 88704 177408 8109998910521 16219997821042 24329996731563 32439995642084 48659993463126 56769992373647 64879991284168 72989990194689 89209988015731 97319986926252 113539984747294 129759982568336 145979980389378 170309977120941 178419976031462 194639973852504 227079969494588 259519965136672 267629964047193 291959960778756 340619954241882 356839952062924 389279947705008 454159938989176 510929931362823 519039930273344 535259928094386 583919921557512 624469916110117 681239908483764 713679904125848 778559895410016 802889892141579 908319877978352 1021859862725646 1038079860546688 1070519856188772 1167839843115024 1248939832220234 1362479816967528 1427359808251696 1557119790820032 1605779784283158 1816639755956704 1873409748330351 2043719725451292 2076159721093376 2141039712377544 2335679686230048 2497879664440468 2724959633935056 2854719616503392 3114239581640064 3211559568566316 3633279511913408 3746819496660702 4087439450902584 4282079424755088 4671359372460096 4995759328880936 5449919267870112 5620229244991053 5709439233006784 6228479163280128 6423119137132632 7266559023826816 7493638993321404 8174878901805168 8564158849510176 9342718744920192 9991518657761872 10899838535740224 11240458489982106 11418878466013568 12846238274265264 14533118047653632 14987277986642808 16349757803610336 17128317699020352 18685437489840384 19983037315523744 21799677071480448 22480916979964212 22837756932027136 25692476548530528 29974555973285616 32699515607220672 34256635398040704 39966074631047488 43599354142960896 44961833959928424 51384953097061056 59949111946571232 65399031214441344 68513270796081408 79932149262094976 89923667919856848 102769906194122112 119898223893142464 130798062428882688 159864298524189952 179847335839713696 205539812388244224 239796447786284928 359694671679427392 479592895572569856 719389343358854784 1438778686717709568
• Sum of all divisors σ(n): 5171973385209374016
• Sum of proper divisors (its aliquot sum) s(n): 3733194698491664448
• 1438778686717709568 is an abundant number, because the sum of its proper divisors (3733194698491664448) is greater than itself. Its abundance is 2294416011773954880

Bases of 1438778686717709568

• Binary: 1001111110111100100011001011110110100001101100100110100000000₂
• Hexadecimal: 0x13F79197B4364D00
• Base-36: AXISH7XUVR40

Squares and roots of 1438778686717709568

• 1438778686717709568 squared (1438778686717709568²) is 2070084109353137054868442319998746624
• 1438778686717709568 cubed (1438778686717709568³) is 2978392896250306013629032099129010223644874264052498432
• The square root of 1438778686717709568 is 1199491011.5201820753
• The cube root of 1438778686717709568 is 1128923.8944143077

Scales and comparisons

• 1,438,778,686,717,709,568 seconds is equal to 45,748,711,802 years, 48 weeks, 5 days, 18 hours, 52 minutes, 48 seconds.
• To count from 1 to 1,438,778,686,717,709,568 would take you about one hundred sixty billion, one hundred twenty million, four hundred ninety-one thousand, three hundred ten 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 1438778686717709568 cubic inches would be around 94077 feet tall.

Recreational maths with 1438778686717709568

• 1438778686717709568 backwards is 8659077176868778341
• The number of decimal digits it has is: 19
• The sum of 1438778686717709568's digits is 108
• More coming soon!