18216438685198051410

Names of 18216438685198051410

• Cardinal: 18216438685198051410 can be written as Eighteen quintillion, two hundred sixteen quadrillion, four hundred thirty-eight trillion, six hundred eighty-five billion, one hundred ninety-eight million, fifty-one thousand, four hundred ten.

Scientific notation

• Scientific notation: 1.821643868519805141 × 10¹⁹

Factors of 18216438685198051410

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8159070

Divisors of 18216438685198051410

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 2069 4138 6207 10345 12414 14483 18621 20690 28966 31035 37242 43449 62070 72415 86898 93105 130347 144830 186210 217245 260694 434490 651735 1303470 2447923 4895846 5709061 7343769 11418122 12239615 14687538 17127183 17135461 22031307 24479230 28545305 34254366 34270922 36718845 39963427 44062614 51381549 51406383 57090610 73437690 79926854 85635915 85677305 102763098 102812766 110156535 119890281 154219149 171271830 171354610 199817135 220313070 239780562 256907745 257031915 308438298 359670843 399634270 513815490 514063830 599451405 719341686 771095745 1198902810 1542191490 1798354215 3596708430 5064752687 10129505374 11812047209 15194258061 23624094418 25323763435 30388516122 35436141627 35453268809 45582774183 50647526870 59060236045 70872283254 70906537618 75971290305 82684330463 91165548366 106308424881 106359806427 118120472090 151942580610 165368660926 177180708135 177266344045 212616849762 212719612854 227913870915 248052991389 319079419281 354361416270 354532688090 413421652315 455827741830 496105982778 531542124405 531799032135 638158838562 744158974167 826843304630 1063084248810 1063598064270 1240264956945 1488317948334 1595397096405 2480529913890 3190794192810 3720794870835 7441589741670 13975341730303 27950683460606 41926025190909 69876708651515 83852050381818 97827392112121 125778075572727 139753417303030 195654784224242 209630125954545 251556151145454 293482176336363 419260251909090 489136960560605 586964352672726 628890377863635 880446529009089 978273921121210 1257780755727270 1467410881681815 1760893058018178 2934821763363630 4402232645045445 8804465290090890 28914982039996907 57829964079993814 86744946119990721 144574910199984535 173489892239981442 202404874279978349 260234838359972163 289149820399969070 404809748559956698 433724730599953605 520469676719944326 607214622839935047 867449461199907210 1012024371399891745 1214429245679870094 1301174191799860815 1821643868519805141 2024048742799783490 2602348383599721630 3036073114199675235 3643287737039610282 6072146228399350470 9108219342599025705 18216438685198051410
• Sum of all divisors σ(n): 54155039827236491520
• Sum of proper divisors (its aliquot sum) s(n): 35938601142038440110
• 18216438685198051410 is an abundant number, because the sum of its proper divisors (35938601142038440110) is greater than itself. Its abundance is 17722162456840388700

Bases of 18216438685198051410

• Binary: 1111110011001101110010100111100000100111111010011110100001010010₂
• Hexadecimal: 0xFCCDCA7827E9E852
• Base-36: 3UEECKZA9YMOI

Squares and roots of 18216438685198051410

• 18216438685198051410 squared (18216438685198051410²) is 331838638371580111958524816061002988100
• 18216438685198051410 cubed (18216438685198051410³) is 6044918209275498466279874119927507853666306936307418221000
• The square root of 18216438685198051410 is 4268072010.3107505337
• The cube root of 18216438685198051410 is 2631203.8268238269

Scales and comparisons

• 18,216,438,685,198,051,410 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,216,438,685,198,051,410 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18216438685198051410 cubic inches would be around 219267 feet tall.

Recreational maths with 18216438685198051410

• 18216438685198051410 backwards is 01415089158683461281
• The number of decimal digits it has is: 20
• The sum of 18216438685198051410's digits is 81
• More coming soon!