18121953949568

Names of 18121953949568

• Cardinal: 18121953949568 can be written as Eighteen trillion, one hundred twenty-one billion, nine hundred fifty-three million, nine hundred forty-nine thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8121953949568 × 10¹³

Factors of 18121953949568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 534

Divisors of 18121953949568

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 61 64 112 122 127 128 224 244 254 337 427 448 488 508 674 854 889 896 976 1016 1348 1708 1778 1952 2032 2359 2696 3416 3556 3721 3904 4064 4718 5392 6832 7112 7442 7747 7808 8128 9436 10784 13664 14224 14884 15494 16129 16256 18872 20557 21568 26047 27328 28448 29768 30988 32258 37744 41114 42799 43136 52094 54229 54656 56896 59536 61976 64516 75488 82228 85598 104188 108458 112903 113792 119072 123952 129032 143899 150976 164456 171196 208376 216916 225806 238144 247904 258064 287798 299593 301952 328912 342392 416752 433832 451612 472567 476288 495808 516128 575596 599186 657824 684784 833504 867664 903224 945134 983869 991616 1032256 1151192 1198372 1253977 1315648 1369568 1667008 1735328 1806448 1890268 1967738 2064512 2302384 2396744 2507954 2610739 2631296 2739136 3307969 3334016 3470656 3612896 3780536 3935476 4604768 4793488 5015908 5221478 5435473 5478272 6615938 6887083 6941312 7225792 7561072 7870952 8777839 9209536 9586976 10031816 10442956 10870946 13231876 13774166 14451584 15122144 15741904 17555678 18275173 18419072 19173952 20063632 20885912 21741892 26463752 27548332 30244288 31483808 35111356 36550346 38048311 38347904 40127264 41771824 43483784 52927504 55096664 60016009 60488576 62967616 70222712 73100692 76096622 80254528 83543648 86967568 105855008 110193328 120032018 125935232 140445424 146201384 152193244 159255079 160509056 167087296 173935136 211710016 220386656 240064036 280890848 292402768 304386488 318510158 331563853 334174592 347870272 420112063 423420032 440773312 480128072 561781696 584805536 608772976 637020316 663127706 695740544 840224126 881546624 960256144 1114785553 1123563392 1169611072 1217545952 1274040632 1326255412 1680448252 1920512288 2229571106 2320946971 2339222144 2435091904 2548081264 2652510824 3360896504 3841024576 4459142212 4641893942 4870183808 5096162528 5305021648 6721793008 7682049152 8918284424 9283787884 10192325056 10610043296 13443586016 17836568848 18567575768 20225395033 20384650112 21220086592 26887172032 35673137696 37135151536 40450790066 42440173184 53774344064 71346275392 74270303072 80901580132 141577765231 142692550784 148540606144 161803160264 283155530462 297081212288 323606320528 566311060924 647212641056 1132622121848 1294425282112 2265244243696 2588850564224 4530488487392 9060976974784 18121953949568
• Sum of all divisors σ(n): 42405639279120
• Sum of proper divisors (its aliquot sum) s(n): 24283685329552
• 18121953949568 is an abundant number, because the sum of its proper divisors (24283685329552) is greater than itself. Its abundance is 6161731379984

Bases of 18121953949568

• Binary: 100000111101101011000101000001011011110000000₂
• Hexadecimal: 0x107B58A0B780
• Base-36: 6F93ZHIM8

Squares and roots of 18121953949568

• 18121953949568 squared (18121953949568²) is 328405214950263234287386624
• 18121953949568 cubed (18121953949568³) is 5951344182126650819275567748761813778432
• The square root of 18121953949568 is 4256988.8359693875
• The cube root of 18121953949568 is 26266.4677679677

Scales and comparisons

• 18,121,953,949,568 seconds is equal to 576,222 years, 4 weeks, 1 day, 9 hours, 6 minutes, 8 seconds.
• To count from 1 to 18,121,953,949,568 would take you about one million, four hundred forty thousand, five hundred fifty-five 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 18121953949568 cubic inches would be around 2188.9 feet tall.

Recreational maths with 18121953949568

• 18121953949568 backwards is 86594935912181
• The number of decimal digits it has is: 14
• The sum of 18121953949568's digits is 71
• More coming soon!