6438857139711680

Names of 6438857139711680

• Cardinal: 6438857139711680 can be written as Six quadrillion, four hundred thirty-eight trillion, eight hundred fifty-seven billion, one hundred thirty-nine million, seven hundred eleven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 6.43885713971168 × 10¹⁵

Factors of 6438857139711680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 527

Divisors of 6438857139711680

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 59 64 80 118 160 236 295 320 461 472 590 922 944 1180 1844 1888 2305 2360 3481 3688 3776 4610 4720 6962 7376 9220 9440 13924 14752 17405 18440 18880 27199 27848 29504 34810 36880 54398 55696 69620 73760 108796 111392 135995 139240 147520 205379 212521 217592 222784 271990 278480 410758 425042 435184 543980 556960 821516 850084 870368 1026895 1062605 1087960 1113920 1604741 1643032 1700168 1740736 2053790 2125210 2175920 3209482 3286064 3400336 4107580 4250420 4351840 6418964 6572128 6800672 8023705 8215160 8500840 8703680 12538739 12837928 13144256 13601344 16047410 16430320 17001680 25077478 25675856 32094820 32860640 34003360 50154956 51351712 62693695 64189640 65721280 68006720 94679719 97972181 100309912 102703424 125387390 128379280 189359438 195944362 200619824 250774780 256758560 378718876 391888724 401239648 473398595 489860905 501549560 513517120 739785601 757437752 783777448 802479296 946797190 979721810 1003099120 1479571202 1514875504 1567554896 1893594380 1959443620 2006198240 2959142404 3029751008 3135109792 3698928005 3787188760 3918887240 4012396480 5780358679 5918284808 6059502016 6270219584 7397856010 7574377520 7837774480 11560717358 11836569616 14795712020 15148755040 15675548960 23121434716 23673139232 28901793395 29591424040 30297510080 31351097920 43647350459 46242869432 47346278464 57803586790 59182848080 87294700918 92485738864 115607173580 118365696160 174589401836 184971477728 218236752295 231214347160 236731392320 341041162061 349178803672 369942955456 436473504590 462428694320 682082324122 698357607344 872947009180 924857388640 1364164648244 1396715214688 1705205810305 1745894018360 1849714777280 2728329296488 2793430429376 3410411620610 3491788036720 5456658592976 6820823241220 6983576073440 10913317185952 13641646482440 13967152146880 20121428561599 21826634371904 27283292964880 40242857123198 54566585929760 80485714246396 100607142807995 109133171859520 160971428492792 201214285615990 321942856985584 402428571231980 643885713971168 804857142463960 1287771427942336 1609714284927920 3219428569855840 6438857139711680
• Sum of all divisors σ(n): 15630787480714560
• Sum of proper divisors (its aliquot sum) s(n): 9191930341002880
• 6438857139711680 is an abundant number, because the sum of its proper divisors (9191930341002880) is greater than itself. Its abundance is 2753073201291200

Bases of 6438857139711680

• Binary: 10110111000000001101101000000100100100110111011000000₂
• Hexadecimal: 0x16E01B40926EC0
• Base-36: 1REDU4UMAWW

Squares and roots of 6438857139711680

• 6438857139711680 squared (6438857139711680²) is 41458881265616077018873528422400
• 6438857139711680 cubed (6438857139711680³) is 266947813641570889365261305913481560221253632000
• The square root of 6438857139711680 is 80242489.6156125007
• The cube root of 6438857139711680 is 186038.5430946379

Scales and comparisons

• 6,438,857,139,711,680 seconds is equal to 204,735,740 years, 18 weeks, 1 day, 9 hours, 41 minutes, 20 seconds.
• To count from 1 to 6,438,857,139,711,680 would take you about six hundred fourteen million, two hundred seven thousand, two hundred twenty-one 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 6438857139711680 cubic inches would be around 15503.2 feet tall.

Recreational maths with 6438857139711680

• 6438857139711680 backwards is 0861179317588346
• The number of decimal digits it has is: 16
• The sum of 6438857139711680's digits is 77
• More coming soon!