18539111849472

Names of 18539111849472

• Cardinal: 18539111849472 can be written as Eighteen trillion, five hundred thirty-nine billion, one hundred eleven million, eight hundred forty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8539111849472 × 10¹³

Factors of 18539111849472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 135085

Divisors of 18539111849472

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 144 186 192 248 256 279 288 372 384 496 512 558 576 744 768 961 992 1116 1152 1488 1536 1922 1984 2232 2304 2883 2976 3844 3968 4464 4608 5766 5952 7688 7936 8649 8928 11532 11904 15376 15872 17298 17856 23064 23808 29791 30752 34596 35712 46128 47616 59582 61504 69192 71424 89373 92256 119164 123008 135049 138384 142848 178746 184512 238328 246016 268119 270098 276768 357492 369024 405147 476656 492032 536238 540196 553536 714984 738048 810294 953312 1072476 1080392 1107072 1215441 1429968 1476096 1620588 1906624 2144952 2160784 2214144 2430882 2859936 3241176 3813248 4186519 4289904 4321568 4428288 4861764 5719872 6482352 7626496 8373038 8579808 8643136 9723528 11439744 12559557 12964704 15252992 16746076 17159616 17286272 19447056 22879488 25119114 25929408 33492152 34319232 34572544 37678671 38894112 45758976 50238228 51858816 66984304 68638464 69145088 75357342 77788224 100476456 103717632 129782089 133968608 137276928 150714684 155576448 200952912 207435264 259564178 267937216 301429368 311152896 389346267 401905824 519128356 535874432 602858736 622305792 778692534 803811648 1038256712 1071748864 1168038801 1205717472 1557385068 1607623296 2076513424 2143497728 2336077602 2411434944 3114770136 3215246592 4023244759 4153026848 4672155204 4822869888 6229540272 6430493184 8046489518 8306053696 9344310408 9645739776 12069734277 12459080544 16092979036 16612107392 18688620816 19291479552 24139468554 24918161088 32185958072 33224214784 36209202831 37377241632 48278937108 49836322176 64371916144 66448429568 72418405662 74754483264 96557874216 99672644352 128743832288 144836811324 149508966528 193115748432 199345288704 257487664576 289673622648 299017933056 386231496864 514975329152 579347245296 598035866112 772462993728 1029950658304 1158694490592 1544925987456 2059901316608 2317388981184 3089851974912 4634777962368 6179703949824 9269555924736 18539111849472
• Sum of all divisors σ(n): 55288985980800
• Sum of proper divisors (its aliquot sum) s(n): 36749874131328
• 18539111849472 is an abundant number, because the sum of its proper divisors (36749874131328) is greater than itself. Its abundance is 18210762281856

Bases of 18539111849472

• Binary: 100001101110001111001001011010001111000000000₂
• Hexadecimal: 0x10DC792D1E00
• Base-36: 6KKR0J280

Squares and roots of 18539111849472

• 18539111849472 squared (18539111849472²) is 343698668167233120386678784
• 18539111849472 cubed (18539111849472³) is 6371868051666896427080854139033824002048
• The square root of 18539111849472 is 4305706.8931212677
• The cube root of 18539111849472 is 26466.4875290355

Scales and comparisons

• 18,539,111,849,472 seconds is equal to 589,486 years, 21 weeks, 2 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,539,111,849,472 would take you about one million, four hundred seventy-three thousand, seven hundred sixteen 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 18539111849472 cubic inches would be around 2205.5 feet tall.

Recreational maths with 18539111849472

• 18539111849472 backwards is 27494811193581
• The number of decimal digits it has is: 14
• The sum of 18539111849472's digits is 63
• More coming soon!