18091343505664

Names of 18091343505664

• Cardinal: 18091343505664 can be written as Eighteen trillion, ninety-one billion, three hundred forty-three million, five hundred five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8091343505664 × 10¹³

Factors of 18091343505664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 26

Divisors of 18091343505664

• Number of divisors d(n): 315
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 121 128 143 169 176 208 242 256 286 338 352 416 484 572 676 704 832 968 1144 1331 1352 1408 1573 1664 1859 1936 2197 2288 2662 2704 2816 3146 3328 3718 3872 4394 4576 5324 5408 6292 7436 7744 8788 9152 10648 10816 12584 14641 14872 15488 17303 17576 18304 20449 21296 21632 24167 25168 28561 29282 29744 30976 34606 35152 36608 40898 42592 43264 48334 50336 57122 58564 59488 69212 70304 81796 85184 96668 100672 114244 117128 118976 138424 140608 163592 170368 190333 193336 201344 224939 228488 234256 237952 265837 276848 281216 314171 327184 340736 371293 380666 386672 402688 449878 456976 468512 475904 531674 553696 562432 628342 654368 742586 761332 773344 899756 913952 937024 1063348 1107392 1256684 1308736 1485172 1522664 1546688 1799512 1827904 1874048 2126696 2214784 2474329 2513368 2617472 2924207 2970344 3045328 3093376 3455881 3599024 3655808 3748096 4084223 4253392 4429568 4826809 4948658 5026736 5234944 5848414 5940688 6090656 6186752 6911762 7198048 7311616 8168446 8506784 9653618 9897316 10053472 11696828 11881376 12181312 13823524 14396096 16336892 17013568 19307236 19794632 20106944 23393656 23762752 24362624 27647048 28792192 32166277 32673784 34027136 38014691 38614472 39589264 40213888 44926453 46787312 47525504 48725248 53094899 55294096 57584384 64332554 65347568 68054272 76029382 77228944 79178528 80427776 89852906 93574624 95051008 106189798 110588192 128665108 130695136 152058764 154457888 158357056 179705812 187149248 212379596 221176384 257330216 261390272 304117528 308915776 316714112 359411624 374298496 418161601 424759192 442352768 494190983 514660432 522780544 584043889 608235056 617831552 633428224 718823248 748596992 836323202 849518384 884705536 988381966 1029320864 1045561088 1168087778 1216470112 1235663104 1437646496 1672646404 1699036768 1976763932 2058641728 2336175556 2432940224 2875292992 3345292808 3398073536 3953527864 4117283456 4672351112 4865880448 5436100813 5750585984 6424482779 6690585616 6796147072 7907055728 8234566912 9344702224 9731760896 10872201626 11501171968 12848965558 13381171232 13592294144 15814111456 18689404448 21744403252 25697931116 26762342464 31628222912 37378808896 43488806504 51395862232 53524684928 63256445824 70669310569 74757617792 86977613008 102791724464 107049369856 126512891648 141338621138 149515235584 173955226016 205583448928 282677242276 347910452032 411166897856 565354484552 695820904064 822333795712 1130708969104 1391641808128 1644667591424 2261417938208 4522835876416 9045671752832 18091343505664
• Sum of all divisors σ(n): 43033219870165
• Sum of proper divisors (its aliquot sum) s(n): 24941876364501
• 18091343505664 is an abundant number, because the sum of its proper divisors (24941876364501) is greater than itself. Its abundance is 6850532858837

Bases of 18091343505664

• Binary: 100000111010000111000000110100110100100000000₂
• Hexadecimal: 0x1074381A6900
• Base-36: 6EV1QTGXS

Squares and roots of 18091343505664

• 18091343505664 squared (18091343505664²) is 327296709839930989200080896
• 18091343505664 cubed (18091343505664³) is 5921237205987830106446822840153034194944
• 18091343505664 is a perfect square number. Its square root is 4253392
• The cube root of 18091343505664 is 26251.6702214847
• Being both a perfect square and a perfect cube, 18091343505664 is also a perfect sixth number.

Scales and comparisons

• 18,091,343,505,664 seconds is equal to 575,248 years, 39 weeks, 4 days, 20 hours, 1 minute, 4 seconds.
• To count from 1 to 18,091,343,505,664 would take you about one million, four hundred thirty-eight thousand, one 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 18091343505664 cubic inches would be around 2187.6 feet tall.

Recreational maths with 18091343505664

• 18091343505664 backwards is 46650534319081
• The number of decimal digits it has is: 14
• The sum of 18091343505664's digits is 55
• More coming soon!