18069388243632128

Names of 18069388243632128

• Cardinal: 18069388243632128 can be written as Eighteen quadrillion, sixty-nine trillion, three hundred eighty-eight billion, two hundred forty-three million, six hundred thirty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8069388243632128 × 10¹⁶

Factors of 18069388243632128

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 15

Divisors of 18069388243632128

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 169 208 256 338 416 512 676 832 1024 1352 1664 2048 2197 2704 3328 4096 4394 5408 6656 8192 8788 10816 13312 16384 17576 21632 26624 28561 32768 35152 43264 53248 57122 65536 70304 86528 106496 114244 131072 140608 173056 212992 228488 281216 346112 371293 425984 456976 562432 692224 742586 851968 913952 1124864 1384448 1485172 1703936 1827904 2249728 2768896 2970344 3655808 4499456 4826809 5537792 5940688 7311616 8998912 9653618 11075584 11881376 14623232 17997824 19307236 22151168 23762752 29246464 35995648 38614472 47525504 58492928 62748517 71991296 77228944 95051008 116985856 125497034 143982592 154457888 190102016 233971712 250994068 287965184 308915776 380204032 467943424 501988136 617831552 760408064 815730721 935886848 1003976272 1235663104 1520816128 1631461442 1871773696 2007952544 2471326208 3041632256 3262922884 3743547392 4015905088 4942652416 6083264512 6525845768 8031810176 9885304832 10604499373 12166529024 13051691536 16063620352 19770609664 21208998746 24333058048 26103383072 32127240704 39541219328 42417997492 48666116096 52206766144 64254481408 79082438656 84835994984 104413532288 128508962816 137858491849 158164877312 169671989968 208827064576 257017925632 275716983698 316329754624 339343979936 417654129152 514035851264 551433967396 632659509248 678687959872 835308258304 1028071702528 1102867934792 1357375919744 1670616516608 2056143405056 2205735869584 2714751839488 3341233033216 4112286810112 4411471739168 5429503678976 6682466066432 8224573620224 8822943478336 10859007357952 13364932132864 17645886956672 21718014715904 26729864265728 35291773913344 43436029431808 53459728531456 70583547826688 86872058863616 106919457062912 141167095653376 173744117727232 282334191306752 347488235454464 564668382613504 694976470908928 1129336765227008 1389952941817856 2258673530454016 4517347060908032 9034694121816064 18069388243632128
• Sum of all divisors σ(n): 39150191847814929
• Sum of proper divisors (its aliquot sum) s(n): 21080803604182801
• 18069388243632128 is an abundant number, because the sum of its proper divisors (21080803604182801) is greater than itself. Its abundance is 3011415360550673

Bases of 18069388243632128

• Binary: 1000000001100100000001101001011100100100000000000000000₂
• Hexadecimal: 0x4032034B920000
• Base-36: 4XX2AD2H9FK

Squares and roots of 18069388243632128

• 18069388243632128 squared (18069388243632128²) is 326502791499110959551941793808384
• 18069388243632128 cubed (18069388243632128³) is 5899705702227107474065055609501193906665818161152
• The square root of 18069388243632128 is 134422424.6308335565
• The cube root of 18069388243632128 is 262410.4643688795

Scales and comparisons

• 18,069,388,243,632,128 seconds is equal to 574,550,653 years, 44 weeks, 5 days, 2 minutes, 8 seconds.
• To count from 1 to 18,069,388,243,632,128 would take you about one billion, seven hundred twenty-three million, six hundred fifty-one thousand, nine hundred sixty-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 18069388243632128 cubic inches would be around 21867.5 feet tall.

Recreational maths with 18069388243632128

• 18069388243632128 backwards is 82123634288396081
• The number of decimal digits it has is: 17
• The sum of 18069388243632128's digits is 74
• More coming soon!