18531109145728368

Names of 18531109145728368

• Cardinal: 18531109145728368 can be written as Eighteen quadrillion, five hundred thirty-one trillion, one hundred nine billion, one hundred forty-five million, seven hundred twenty-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8531109145728368 × 10¹⁶

Factors of 18531109145728368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2048

Divisors of 18531109145728368

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 343 367 392 441 504 588 686 734 784 882 1008 1029 1101 1176 1372 1468 1669 1764 2058 2202 2352 2569 2744 2936 3087 3303 3338 3528 4116 4404 5007 5138 5488 5872 6174 6606 6676 7056 7707 8232 8808 10014 10276 11683 12348 13212 13352 15021 15414 16464 17616 17983 20028 20552 23121 23366 24696 26424 26704 30042 30828 35049 35966 40056 41104 46242 46732 49392 52848 53949 60084 61656 70098 71932 80112 81781 92484 93464 105147 107898 120168 123312 125881 134689 140196 143864 161847 163562 184968 186928 210294 215796 240336 245343 251762 269378 280392 287728 323694 327124 369936 377643 404067 420588 431592 490686 503524 538756 560784 572467 612523 647388 654248 736029 755286 808134 841176 863184 942823 981372 1007048 1077512 1132929 1144934 1212201 1225046 1294776 1308496 1472058 1510572 1616268 1682352 1717401 1837569 1885646 1962744 2014096 2155024 2265858 2289868 2424402 2450092 2589552 2785561 2828469 2944116 3021144 3232536 3434802 3675138 3771292 3925488 4287661 4531716 4579736 4848804 4900184 5152203 5512707 5571122 5656938 5888232 6042288 6465072 6599761 6869604 7350276 7542584 8356683 8485407 8575322 9063432 9159472 9697608 9800368 10304406 11025414 11142244 11313876 11776464 12862983 13199522 13739208 14700552 15085168 16713366 16970814 17150644 18126864 19395216 19498927 19799283 20608812 22050828 22284488 22627752 25070049 25725966 26399044 27478416 29401104 30013627 33426732 33941628 34301288 38588949 38997854 39598566 41217624 44101656 44568976 45255504 46198327 50140098 51451932 52798088 58496781 59397849 60027254 66853464 67883256 68602576 77177898 77995708 79197132 82435248 88203312 90040881 92396654 100280196 102903864 105596176 116993562 118795698 120054508 133706928 135766512 136492489 138594981 154355796 155991416 158394264 175490343 180081762 184793308 200560392 205807728 210095389 224795941 233987124 237591396 240109016 270122643 272984978 277189962 308711592 311982832 316788528 350980686 360163524 369586616 401120784 409477467 415784943 420190778 449591882 467974248 475182792 480218032 540245286 545969956 554379924 617423184 630286167 674387823 701961372 720327048 739173232 818954934 831569886 840381556 899183764 935948496 950365584 955447423 1022300887 1080490572 1091939912 1108759848 1228432401 1260572334 1348775646 1403922744 1440654096 1573571587 1637909868 1663139772 1680763112 1798367528 1890858501 1910894846 2023163469 2044601774 2160981144 2183879824 2217519696 2456864802 2521144668 2697551292 2807845488 2866342269 3066902661 3147143174 3275819736 3326279544 3361526224 3596735056 3781717002 3821789692 4046326938 4089203548 4321962288 4720714761 4913729604 5042289336 5395102584 5732684538 6133805322 6294286348 6551639472 6652559088 7156106209 7563434004 7643579384 8092653876 8178407096 8599026807 9200707983 9441429522 9827459208 10084578672 10790205168 11015001109 11465369076 12267610644 12588572696 14162144283 14312212418 15126868008 15287158768 16185307752 16356814192 17198053614 18401415966 18882859044 19654918416 21468318627 22030002218 22930738152 24535221288 25177145392 28324288566 28624424836 30253736016 32370615504 33045003327 34396107228 36802831932 37765718088 42936637254 44060004436 45861476304 49070442576 50092743463 56648577132 57248849672 64404955881 66090006654 68792214456 73605663864 75531436176 77105007763 85873274508 88120008872 99135009981 100185486926 113297154264 114497699344 128809911762 132180013308 137584428912 147211327728 150278230389 154210015526 171746549016 176240017744 198270019962 200370973852 226594308528 231315023289 257619823524 264360026616 300556460778 308420031052 343493098032 350649204241 375184425529 396540039924 400741947704 450834691167 462630046578 515239647048 528720053232 601112921556 616840062104 693945069867 701298408482 750368851058 793080079848 801483895408 901669382334 925260093156 1030479294096 1051947612723 1125553276587 1202225843112 1233680124208 1387890139734 1402596816964 1500737702116 1586160159696 1803338764668 1850520186312 2103895225446 2251106553174 2404451686224 2626290978703 2775780279468 2805193633928 3001475404232 3155842838169 3376659829761 3606677529336 3701040372624 4207790450892 4502213106348 5252581957406 5551560558936 5610387267856 6002950808464 6311685676338 6753319659522 7213355058672 7878872936109 8415580901784 9004426212696 10505163914812 11103121117872 12623371352676 13506639319044 15757745872218 16831161803568 18008852425392 18384036850921 21010327829624 23636618808327 25246742705352 27013278638088 31515491744436 36768073701842 42020655659248 47273237616654 50493485410704 54026557276176 55152110552763 63030983488872 73536147403684 94546475233308 110304221105526 126061966977744 128688257956447 147072294807368 165456331658289 189092950466616 220608442211052 257376515912894 294144589614736 330912663316578 378185900933232 386064773869341 441216884422104 514753031825788 661825326633156 772129547738682 882433768844208 1029506063651576 1158194321608023 1323650653266312 1544259095477364 2059012127303152 2316388643216046 2647301306532624 3088518190954728 4632777286432092 6177036381909456 9265554572864184 18531109145728368
• Sum of all divisors σ(n): 60681331215320400
• Sum of proper divisors (its aliquot sum) s(n): 42150222069592032
• 18531109145728368 is an abundant number, because the sum of its proper divisors (42150222069592032) is greater than itself. Its abundance is 23619112923863664

Bases of 18531109145728368

• Binary: 1000001110101011111001000010001111011001101010101110000₂
• Hexadecimal: 0x41D5F211ECD570
• Base-36: 52GQA0MB240

Squares and roots of 18531109145728368

• 18531109145728368 squared (18531109145728368²) is 343402006170897564836981239943424
• 18531109145728368 cubed (18531109145728368³) is 6363620057214989329039497807214206120787591852032
• The square root of 18531109145728368 is 136129016.5458061627
• The cube root of 18531109145728368 is 264626.7875358501

Scales and comparisons

• 18,531,109,145,728,368 seconds is equal to 589,231,950 years, 18 weeks, 1 day, 9 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,531,109,145,728,368 would take you about one billion, seven hundred sixty-seven million, six hundred ninety-five thousand, eight hundred fifty-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 18531109145728368 cubic inches would be around 22052.2 feet tall.

Recreational maths with 18531109145728368

• 18531109145728368 backwards is 86382754190113581
• 18531109145728368 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18531109145728368's digits is 72
• More coming soon!