18071249981568

Names of 18071249981568

• Cardinal: 18071249981568 can be written as Eighteen trillion, seventy-one billion, two hundred forty-nine million, nine hundred eighty-one thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8071249981568 × 10¹³

Factors of 18071249981568

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11409

Divisors of 18071249981568

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 49 56 64 74 84 96 98 111 112 128 147 148 168 192 196 222 224 259 294 296 336 384 392 444 448 518 588 592 672 777 784 888 896 1036 1176 1184 1344 1554 1568 1776 1813 2072 2352 2368 2688 3108 3136 3169 3552 3626 4144 4704 4736 5439 6216 6272 6338 7104 7252 8191 8288 9408 9507 10878 12432 12676 14208 14504 16382 16576 18816 19014 21756 22183 24573 24864 25352 29008 32764 33152 38028 43512 44366 49146 49728 50704 57337 58016 65528 66549 76056 87024 88732 98292 99456 101408 114674 116032 117253 131056 133098 152112 155281 172011 174048 177464 196584 202816 229348 232064 234506 262112 266196 303067 304224 310562 344022 348096 351759 354928 393168 401359 405632 458696 465843 469012 524224 532392 606134 608448 621124 688044 696192 703518 709856 786336 802718 820771 909201 917392 931686 938024 1048448 1064784 1204077 1212268 1216896 1242248 1376088 1407036 1419712 1572672 1605436 1641542 1818402 1834784 1863372 1876048 2121469 2129568 2408154 2424536 2462313 2484496 2752176 2814072 2839424 3145344 3210872 3283084 3636804 3669568 3726744 3752096 4242938 4259136 4816308 4849072 4924626 4968992 5504352 5628144 5745397 6364407 6421744 6566168 7273608 7339136 7453488 7504192 8485876 8518272 9632616 9698144 9849252 9937984 11008704 11256288 11490794 12728814 12843488 13132336 14547216 14850283 14906976 15008384 16971752 17236191 19265232 19396288 19698504 19875968 22017408 22512576 22981588 25457628 25686976 25957279 26264672 29094432 29700566 29813952 33943504 34472382 38530464 38792576 39397008 44550849 45025152 45963176 50915256 51373952 51914558 52529344 58188864 59401132 59627904 67887008 68944764 77060928 77871837 78794016 89101698 91926352 101830512 103829116 105058688 116377728 118802264 135774016 137889528 154121856 155743674 157588032 178203396 181700953 183852704 203661024 207658232 237604528 271548032 275779056 311487348 315176064 356406792 363401906 367705408 407322048 415316464 475209056 545102859 551558112 622974696 712813584 726803812 735410816 814644096 830632928 950418112 960419323 1090205718 1103116224 1245949392 1271906671 1425627168 1453607624 1661265856 1900836224 1920838646 2180411436 2206232448 2491898784 2543813342 2851254336 2881257969 2907215248 3322531712 3815720013 3841677292 4360822872 4983797568 5087626684 5702508672 5762515938 5814430496 6722935261 7631440026 7683354584 8721645744 9967595136 10175253368 11525031876 11628860992 13445870522 15262880052 15366709168 17443291488 20168805783 20350506736 23050063752 23257721984 26891741044 30525760104 30733418336 34886582976 40337611566 40701013472 46100127504 47060546827 53783482088 61051520208 61466836672 69773165952 80675223132 81402026944 92200255008 94121093654 107566964176 122103040416 122933673344 141181640481 161350446264 162804053888 184400510016 188242187308 215133928352 244206080832 282363280962 322700892528 368801020032 376484374616 430267856704 488412161664 564726561924 645401785056 752968749232 860535713408 1129453123848 1290803570112 1505937498464 2258906247696 2581607140224 3011874996928 4517812495392 6023749993856 9035624990784 18071249981568
• Sum of all divisors σ(n): 57373035724800
• Sum of proper divisors (its aliquot sum) s(n): 39301785743232
• 18071249981568 is an abundant number, because the sum of its proper divisors (39301785743232) is greater than itself. Its abundance is 21230535761664

Bases of 18071249981568

• Binary: 100000110111110001010011011111001000010000000₂
• Hexadecimal: 0x106F8A6F9080
• Base-36: 6ELTFNIIO

Squares and roots of 18071249981568

• 18071249981568 squared (18071249981568²) is 326570075896321440339738624
• 18071249981568 cubed (18071249981568³) is 5901529478022059189818504820617937682432
• The square root of 18071249981568 is 4251029.2849577031
• The cube root of 18071249981568 is 26241.9476345971

Scales and comparisons

• 18,071,249,981,568 seconds is equal to 574,609 years, 44 weeks, 1 day, 21 hours, 32 minutes, 48 seconds.
• To count from 1 to 18,071,249,981,568 would take you about one million, four hundred thirty-six thousand, five hundred twenty-four 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 18071249981568 cubic inches would be around 2186.8 feet tall.

Recreational maths with 18071249981568

• 18071249981568 backwards is 86518994217081
• The number of decimal digits it has is: 14
• The sum of 18071249981568's digits is 69
• More coming soon!