18904838008621320

Names of 18904838008621320

• Cardinal: 18904838008621320 can be written as Eighteen quadrillion, nine hundred four trillion, eight hundred thirty-eight billion, eight million, six hundred twenty-one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.890483800862132 × 10¹⁶

Factors of 18904838008621320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3180982

Divisors of 18904838008621320

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 53 56 60 63 70 72 84 90 105 106 120 126 140 159 168 180 210 212 252 265 280 315 318 360 371 420 424 477 504 530 630 636 742 795 840 954 1060 1113 1260 1272 1484 1590 1855 1908 2120 2226 2385 2520 2968 3180 3339 3710 3816 4452 4770 5565 6360 6678 7420 8904 9540 11130 13356 14840 16695 19080 22260 26712 33390 44520 45139 66780 90278 133560 135417 180556 225695 270834 315973 361112 406251 451390 541668 631946 677085 812502 902780 947919 1083336 1263892 1354170 1579865 1625004 1805560 1895838 2031255 2392367 2527784 2708340 2843757 3135773 3159730 3250008 3791676 4062510 4739595 4784734 5416680 5687514 6271546 6319460 7177101 7583352 8125020 9407319 9479190 9569468 11375028 11961835 12543092 12638920 14218785 14354202 15678865 16250040 16746569 18814638 18958380 19138936 21531303 21950411 22750056 23923670 25086184 28221957 28437570 28708404 31357730 33493138 35885505 37629276 37916760 43062606 43900822 47036595 47847340 50239707 56443914 56875140 57416808 62715460 65851233 66986276 71771010 75258552 83732845 86125212 87801644 94073190 95694680 100479414 107656515 109752055 112887828 113750280 125430920 131702466 133972552 141109785 143542020 150719121 166195969 167465690 172250424 175603288 188146380 197553699 200958828 215313030 219504110 225775656 251198535 263404932 282219570 287084040 301438242 329256165 332391938 334931380 376292760 395107398 401917656 430626060 439008220 498587907 502397070 526809864 564439140 602876484 658512330 664783876 669862760 753595605 790214796 830979845 861252120 878016440 987768495 997175814 1004794140 1128878280 1163371783 1205752968 1317024660 1329567752 1495763721 1507191210 1580429592 1661959690 1975536990 1994351628 2009588280 2326743566 2492939535 2634049320 2991527442 3014382420 3323919380 3490115349 3951073980 3988703256 4653487132 4985879070 5816858915 5983054884 6028764840 6647838760 6980230698 7478818605 7902147960 9306974264 9971758140 10470346047 11633717830 11966109768 13960461396 14957637210 17450576745 19943516280 20940692094 23267435660 27920922792 29915274420 34901153490 41881384188 46534871320 52351730235 59830548840 69802306980 83762768376 104703460470 139604613960 141545657447 209406920940 283091314894 418813841880 424636972341 566182629788 707728287235 849273944682 990819602129 1132365259576 1273910917023 1415456574470 1698547889364 1981639204258 2123184861705 2547821834046 2830913148940 2972458806387 3397095778728 3963278408516 4246369723410 4954098010645 5095643668092 5661826297880 5944917612774 6369554585115 7501919844691 7926556817032 8492739446820 8917376419161 9908196021290 10191287336184 11889835225548 12739109170230 14862294031935 15003839689382 16985478893640 17834752838322 19816392042580 22505759534073 23779670451096 25478218340460 29724588063870 30007679378764 35669505676644 37509599223455 39632784085160 44586882095805 45011519068146 50956436680920 52513438912837 59449176127740 60015358757528 67517278602219 71339011353288 75019198446910 89173764191610 90023038136292 105026877825674 112528797670365 118898352255480 135034557204438 150038396893820 157540316738511 178347528383220 180046076272584 210053755651348 225057595340730 262567194564185 270069114408876 300076793787640 315080633477022 337586393011095 356695056766440 420107511302696 450115190681460 472620950215533 525134389128370 540138228817752 630161266954044 675172786022190 787701583692555 900230381362920 945241900431066 1050268778256740 1260322533908088 1350345572044380 1575403167385110 1890483800862132 2100537556513480 2363104751077665 2700691144088760 3150806334770220 3780967601724264 4726209502155330 6301612669540440 9452419004310660 18904838008621320
• Sum of all divisors σ(n): 71544444860678400
• Sum of proper divisors (its aliquot sum) s(n): 52639606852057080
• 18904838008621320 is an abundant number, because the sum of its proper divisors (52639606852057080) is greater than itself. Its abundance is 33734768843435760

Bases of 18904838008621320

• Binary: 1000011001010011101100110011010000010100100100100001000₂
• Hexadecimal: 0x4329D99A0A4908
• Base-36: 5657EOPVOY0

Squares and roots of 18904838008621320

• 18904838008621320 squared (18904838008621320²) is 357392900132213315966647158542400
• 18904838008621320 cubed (18904838008621320³) is 6756454882430869877560131240613962612084763968000
• The square root of 18904838008621320 is 137494865.3900258197
• The cube root of 18904838008621320 is 266393.9270874985

Scales and comparisons

• 18,904,838,008,621,320 seconds is equal to 601,115,372 years, 8 weeks, 6 days, 3 hours, 42 minutes.
• To count from 1 to 18,904,838,008,621,320 would take you about one billion, eight hundred three million, three hundred forty-six thousand, one hundred sixteen 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 18904838008621320 cubic inches would be around 22199.5 feet tall.

Recreational maths with 18904838008621320

• 18904838008621320 backwards is 02312680083840981
• 18904838008621320 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18904838008621320's digits is 63
• More coming soon!