18155955489370944

Names of 18155955489370944

• Cardinal: 18155955489370944 can be written as Eighteen quadrillion, one hundred fifty-five trillion, nine hundred fifty-five billion, four hundred eighty-nine million, three hundred seventy thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.8155955489370944 × 10¹⁶

Factors of 18155955489370944

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 11993524

Divisors of 18155955489370944

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 48 56 64 82 83 84 96 112 123 164 166 168 192 224 246 249 287 328 331 332 336 448 492 498 574 581 656 662 664 672 861 984 993 996 1148 1162 1312 1324 1328 1344 1722 1743 1968 1986 1992 2296 2317 2324 2624 2648 2656 3403 3444 3486 3936 3972 3984 4592 4634 4648 5296 5312 6806 6888 6951 6972 7872 7944 7968 9184 9268 9296 10209 10592 13571 13612 13776 13902 13944 15888 15936 18368 18536 18592 20418 21184 23821 27142 27224 27473 27552 27804 27888 31776 37072 37184 40713 40836 47642 54284 54448 54946 55104 55608 55776 63552 71463 74144 81426 81672 82419 94997 95284 108568 108896 109892 111216 111552 142926 148288 162852 163344 164838 189994 190568 192311 217136 217792 219784 222432 284991 285852 325704 326688 329676 379988 381136 384622 434272 439568 444864 569982 571704 576933 651408 653376 659352 759976 762272 769244 868544 879136 1126393 1139964 1143408 1153866 1302816 1318704 1519952 1524544 1538488 1758272 2252786 2279928 2286816 2307732 2605632 2637408 3039904 3076976 3379179 4505572 4559856 4573632 4615464 5274816 6079808 6153952 6758358 7884751 9011144 9119712 9230928 11993057 12307904 13516716 15769502 18022288 18239424 18461856 23654253 23986114 27033432 31539004 35979171 36044576 36923712 47308506 47972228 54066864 63078008 71958342 72089152 83951399 94617012 95944456 108133728 126156016 143916684 167902798 189234024 191888912 216267456 251854197 252312032 287833368 335805596 378468048 383777824 491715337 503708394 504624064 575666736 671611192 756936096 767555648 983430674 995423731 1007416788 1151333472 1343222384 1475146011 1513872192 1966861348 1990847462 2014833576 2302666944 2686444768 2950292022 2986271193 3442007359 3933722696 3969701867 3981694924 4029667152 5372889536 5900584044 5972542386 6884014718 6967966117 7867445392 7939403734 7963389848 8059334304 10326022077 11801168088 11909105601 11945084772 13768029436 13935932234 15734890784 15878807468 15926779696 16118668608 20652044154 20903898351 23602336176 23818211202 23890169544 27536058872 27787913069 27871864468 31469781568 31757614936 31853559392 40812372971 41304088308 41807796702 47204672352 47636422404 47780339088 55072117744 55575826138 55743728936 63515229872 63707118784 81624745942 82608176616 83363739207 83615593404 94409344704 95272844808 95560678176 110144235488 111151652276 111487457872 122437118913 127030459744 162757776547 163249491884 165216353232 166727478414 167231186808 190545689616 191121356352 220288470976 222303304552 222974915744 244874237826 254060919488 285686610797 325515553094 326498983768 329485254961 330432706464 333454956828 334462373616 381091379232 444606609104 445949831488 488273329641 489748475652 571373221594 651031106188 652997967536 658970509922 660865412928 666909913656 668924747232 762182758464 857059832391 889213218208 976546659282 979496951304 988455764883 1139304435829 1142746443188 1302062212376 1305995935072 1317941019844 1333819827312 1337849494464 1714119664782 1778426436416 1953093318564 1958993902608 1976911529766 2278608871658 2285492886376 2306396784727 2604124424752 2611991870144 2635882039688 2667639654624 3417913307487 3428239329564 3906186637128 3917987805216 3953823059532 4557217743316 4570985772752 4612793569454 5208248849504 5271764079376 5335279309248 6835826614974 6856478659128 6919190354181 7812373274256 7835975610432 7907646119064 9114435486632 9141971545504 9225587138908 10416497699008 10543528158752 13508895453401 13671653229948 13712957318256 13838380708362 15624746548512 15815292238128 18228870973264 18283943091008 18451174277816 21087056317504 27017790906802 27343306459896 27425914636512 27676761416724 31249493097024 31630584476256 36457741946528 36902348555632 40526686360203 54035581813604 54686612919792 54851829273024 55353522833448 63261168952512 72915483893056 73804697111264 81053372720406 94562268173807 108071163627208 109373225839584 110707045666896 147609394222528 162106745440812 189124536347614 216142327254416 218746451679168 221414091333792 283686804521421 324213490881624 378249072695228 432284654508832 442828182667584 567373609042842 648426981763248 756498145390456 864569309017664 1134747218085684 1296853963526496 1512996290780912 2269494436171368 2593707927052992 3025992581561824 4538988872342736 6051985163123648 9077977744685472 18155955489370944
• Sum of all divisors σ(n): 57088718387914752
• Sum of proper divisors (its aliquot sum) s(n): 38932762898543808
• 18155955489370944 is an abundant number, because the sum of its proper divisors (38932762898543808) is greater than itself. Its abundance is 20776807409172864

Bases of 18155955489370944

• Binary: 1000000100000001011111011001101100000000111001101000000₂
• Hexadecimal: 0x4080BECD807340
• Base-36: 4YRQYT1HQ2O

Squares and roots of 18155955489370944

• 18155955489370944 squared (18155955489370944²) is 329638719732018914626960831451136
• 18155955489370944 cubed (18155955489370944³) is 5984905923027758927325465919440639853147314192384
• The square root of 18155955489370944 is 134744036.9343702871
• The cube root of 18155955489370944 is 262828.8509930267

Scales and comparisons

• 18,155,955,489,370,944 seconds is equal to 577,303,224 years, 26 weeks, 1 day, 13 hours, 42 minutes, 24 seconds.
• To count from 1 to 18,155,955,489,370,944 would take you about one billion, seven hundred thirty-one million, nine hundred nine thousand, six hundred seventy-three 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 18155955489370944 cubic inches would be around 21902.4 feet tall.

Recreational maths with 18155955489370944

• 18155955489370944 backwards is 44907398455955181
• The number of decimal digits it has is: 17
• The sum of 18155955489370944's digits is 87
• More coming soon!