18327911409404415999

Names of 18327911409404415999

• Cardinal: 18327911409404415999 can be written as Eighteen quintillion, three hundred twenty-seven quadrillion, nine hundred eleven trillion, four hundred nine billion, four hundred four million, four hundred fifteen thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8327911409404415999 × 10¹⁹

Factors of 18327911409404415999

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3829252

Divisors of 18327911409404415999

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 23 27 47 69 141 207 271 423 621 813 1081 1269 2439 3243 6233 7317 9729 12737 18699 29187 38211 56097 114633 168291 292951 343899 753427 878853 2260281 2636559 3075481 6780843 7909677 9226443 17328821 20342529 27679329 35411069 51986463 70736063 83037987 106233207 144547607 155959389 204178717 212208189 318699621 433642821 467878167 612536151 636624567 814454587 833455351 956098863 1300928463 1837608453 1909873701 2443363761 2500366053 3324594961 3902785389 4696110491 5512825359 7330091283 7501098159 9596399699 9973784883 14088331473 19169473073 21990273849 22503294477 28789199097 29921354649 39172401497 42264994419 57508419219 86367597291 89764063947 117517204491 126794983257 172525257657 220717193077 259102791873 352551613473 517575772971 662151579231 900965234431 1057654840419 1986454737693 2317150423387 2702895703293 5959364213079 6951451270161 8108687109879 20854353810483 24326061329637 53294459737901 62563061431449 108906069899189 159883379213703 326718209697567 479650137641109 627947764737877 980154629092701 1438950412923327 1883843294213631 2504839607681347 2940463887278103 5651529882640893 7514518823044041 14442798588971171 16954589647922679 22543556469132123 29513544942680219 43328395766913513 67630669407396369 88540634828040657 129985187300740539 265621904484121971 389955561902221617 678811533681645037 796865713452365913 2036434601044935111 6109303803134805333 18327911409404415999
• Sum of all divisors σ(n): 29042655281257512960
• Sum of proper divisors (its aliquot sum) s(n): 10714743871853096961
• 18327911409404415999 is a deficient number, because the sum of its proper divisors (10714743871853096961) is less than itself. Its deficiency is 7613167537551319038

Bases of 18327911409404415999

• Binary: 1111111001011001110100100101001001001000011000010000111111111111₂
• Hexadecimal: 0xFE59D25248610FFF
• Base-36: 3V8VYD5TPZE9R

Squares and roots of 18327911409404415999

• 18327911409404415999 squared (18327911409404415999²) is 335912336630976566485272017482247168001
• 18327911409404415999 cubed (18327911409404415999³) is 6156571547098572358892104722162056527100296076621045247999
• The square root of 18327911409404415999 is 4281111001.7616240265
• The cube root of 18327911409404415999 is 2636559.9999999989

Scales and comparisons

• 18,327,911,409,404,415,999 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,327,911,409,404,415,999 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 18327911409404415999 cubic inches would be around 219713.3 feet tall.

Recreational maths with 18327911409404415999

• 18327911409404415999 backwards is 99951440490411972381
• The number of decimal digits it has is: 20
• The sum of 18327911409404415999's digits is 90
• More coming soon!