18388173974016

Names of 18388173974016

• Cardinal: 18388173974016 can be written as Eighteen trillion, three hundred eighty-eight billion, one hundred seventy-three million, nine hundred seventy-four thousand and sixteen.

Scientific notation

• Scientific notation: 1.8388173974016 × 10¹³

Factors of 18388173974016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 219

Divisors of 18388173974016

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 47 48 56 64 66 77 84 88 94 96 112 128 132 141 149 154 168 176 188 192 224 231 256 264 282 298 308 329 336 352 376 384 447 448 462 512 517 528 564 596 616 658 672 704 752 768 894 896 924 987 1034 1043 1056 1128 1192 1232 1316 1344 1408 1504 1536 1551 1639 1788 1792 1848 1974 2068 2086 2112 2256 2384 2464 2632 2688 2816 3008 3102 3129 3278 3576 3584 3619 3696 3948 4136 4172 4224 4512 4768 4917 4928 5264 5376 5632 6016 6204 6258 6556 7003 7152 7238 7392 7896 8272 8344 8448 9024 9536 9834 9856 10528 10752 10857 11473 12032 12408 12516 13112 14006 14304 14476 14784 15792 16544 16688 16896 18048 19072 19668 19712 21009 21056 21714 22201 22946 24064 24816 25032 26224 28012 28608 28952 29568 31584 33088 33376 34419 36096 38144 39336 39424 42018 42112 43428 44402 45892 49021 49632 50064 52448 56024 57216 57904 59136 63168 66176 66603 66752 68838 72192 76288 77033 78672 84036 84224 86856 88804 91784 98042 99264 100128 104896 112048 114432 115808 118272 126336 132352 133206 133504 137676 147063 154066 155407 157344 168072 168448 173712 177608 183568 196084 198528 200256 209792 224096 228864 231099 231616 244211 252672 264704 266412 267008 275352 294126 308132 310814 314688 336144 347424 355216 367136 392168 397056 400512 419584 448192 462198 463232 466221 488422 505344 532824 534016 539231 550704 588252 616264 621628 629376 672288 694848 710432 732633 734272 784336 794112 801024 839168 896384 924396 926464 932442 976844 1043447 1065648 1078462 1101408 1176504 1232528 1243256 1258752 1344576 1389696 1420864 1465266 1468544 1568672 1602048 1617693 1709477 1792768 1848792 1852928 1864884 1953688 2086894 2131296 2156924 2202816 2353008 2465056 2486512 2517504 2689152 2779392 2841728 2930532 2937088 3130341 3137344 3235386 3307949 3418954 3585536 3697584 3729768 3907376 4173788 4262592 4313848 4405632 4706016 4930112 4973024 5128431 5378304 5558784 5683456 5861064 5874176 6260682 6274688 6470772 6615898 6837908 7304129 7395168 7459536 7814752 8347576 8525184 8627696 8811264 9412032 9860224 9923847 9946048 10256862 10756608 11366912 11477917 11722128 12521364 12549376 12941544 13231796 13675816 14608258 14790336 14919072 15629504 16695152 17050368 17255392 17622528 18824064 19720448 19847694 19892096 20513724 21912387 22955834 23155643 23444256 25042728 25098752 25883088 26463592 27351632 29216516 29580672 29838144 31259008 33390304 34100736 34433751 34510784 36387439 37648128 39440896 39695388 39784192 41027448 43824774 45911668 46311286 46888512 50085456 51766176 52927184 54703264 58433032 59161344 59676288 62518016 66780608 68867502 69021568 69466929 72774878 75296256 79390776 79568384 80345419 82054896 87649548 91823336 92622572 93777024 100170912 103532352 105854368 109162317 109406528 116866064 118322688 119352576 125036032 133561216 137735004 138043136 138933858 145549756 155473603 158781552 160690838 164109792 175299096 183646672 185245144 187554048 200341824 207064704 211708736 218324634 218813056 233732128 238705152 241036257 254712073 267122432 275470008 276086272 277867716 291099512 310947206 317563104 321381676 328219584 350598192 367293344 370490288 375108096 400683648 414129408 423417472 436649268 437626112 466420809 467464256 482072514 509424146 534244864 550940016 555735432 582199024 621894412 635126208 642763352 656439168 701196384 734586688 740980576 764136219 801367296 828258816 846834944 873298536 875252224 932841618 934928512 964145028 1018848292 1088315221 1101880032 1111470864 1164398048 1243788824 1270252416 1285526704 1312878336 1402392768 1469173376 1481961152 1528272438 1602734592 1693669888 1710209633 1746597072 1865683236 1869857024 1928290056 2037696584 2176630442 2203760064 2222941728 2328796096 2487577648 2540504832 2571053408 2625756672 2804785536 2938346752 2963922304 3056544876 3264945663 3420419266 3493194144 3731366472 3739714048 3856580112 4075393168 4353260884 4407520128 4445883456 4657592192 4975155296 5081009664 5130628899 5142106816 5609571072 5876693504 5927844608 6113089752 6529891326 6840838532 6986388288 7462732944 7713160224 8150786336 8706521768 8815040256 8891766912 9315184384 9950310592 10261257798 10284213632 11219142144 11855689216 11971467431 12226179504 13059782652 13681677064 13972776576 14925465888 15426320448 16301572672 17413043536 17630080512 17783533824 18630368768 19900621184 20522515596 20568427264 23942934862 24452359008 26119565304 27363354128 27945553152 29850931776 30852640896 32603145344 34826087072 35567067648 35914402293 39801242368 41045031192 41136854528 47885869724 48904718016 52239130608 54726708256 55891106304 59701863552 61705281792 65206290688 69652174144 71828804586 79602484736 82090062384 95771739448 97809436032 104478261216 109453416512 119403727104 123410563584 130412581376 139304348288 143657609172 164180124768 191543478896 195618872064 208956522432 218906833024 238807454208 278608696576 287315218344 328360249536 383086957792 391237744128 417913044864 437813666048 557217393152 574630436688 656720499072 766173915584 835826089728 875627332096 1149260873376 1313440998144 1532347831168 1671652179456 2298521746752 2626881996288 3064695662336 4597043493504 6129391324672 9194086987008 18388173974016
• Sum of all divisors σ(n): 62795923660800
• Sum of proper divisors (its aliquot sum) s(n): 44407749686784
• 18388173974016 is an abundant number, because the sum of its proper divisors (44407749686784) is greater than itself. Its abundance is 26019575712768

Bases of 18388173974016

• Binary: 100001011100101010100100100111110101000000000₂
• Hexadecimal: 0x10B95493EA00
• Base-36: 6INES0K5C

Squares and roots of 18388173974016

• 18388173974016 squared (18388173974016²) is 338124942098679374243168256
• 18388173974016 cubed (18388173974016³) is 6217500260264603008302411342270060036096
• The square root of 18388173974016 is 4288143.4180792041
• The cube root of 18388173974016 is 26394.4652720553

Scales and comparisons

• 18,388,173,974,016 seconds is equal to 584,687 years, 2 weeks, 5 days, 15 hours, 53 minutes, 36 seconds.
• To count from 1 to 18,388,173,974,016 would take you about one million, four hundred sixty-one thousand, seven hundred seventeen 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 18388173974016 cubic inches would be around 2199.5 feet tall.

Recreational maths with 18388173974016

• 18388173974016 backwards is 61047937188381
• 18388173974016 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18388173974016's digits is 66
• More coming soon!