18163189554372831215616

Names of 18163189554372831215616

• Cardinal: 18163189554372831215616 can be written as Eighteen sextillion, one hundred sixty-three quintillion, one hundred eighty-nine quadrillion, five hundred fifty-four trillion, three hundred seventy-two billion, eight hundred thirty-one million, two hundred fifteen thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.8163189554372831215616 × 10²²

Factors of 18163189554372831215616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 604

Divisors of 18163189554372831215616

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 599 768 1024 1198 1536 1797 2048 2396 3072 3594 4096 4792 6144 7188 8192 9584 12288 14376 16384 19168 24576 28752 32768 38336 49152 57504 65536 76672 98304 115008 131072 153344 196608 230016 306688 358801 393216 460032 613376 717602 920064 1076403 1226752 1435204 1840128 2152806 2453504 2870408 3680256 4305612 4907008 5740816 7360512 8611224 9814016 11481632 14721024 17222448 19628032 22963264 29442048 34444896 39256064 45926528 58884096 68889792 78512128 91853056 117768192 137779584 183706112 214921799 235536384 275559168 367412224 429843598 551118336 644765397 734824448 859687196 1102236672 1289530794 1469648896 1719374392 2204473344 2579061588 2939297792 3438748784 4408946688 5158123176 5878595584 6877497568 8817893376 10316246352 11757191168 13754995136 17635786752 20632492704 23514382336 27509990272 35271573504 41264985408 47028764672 55019980544 70543147008 82529970816 110039961088 128738157601 141086294016 165059941632 220079922176 257476315202 330119883264 386214472803 440159844352 514952630404 660239766528 772428945606 880319688704 1029905260808 1320479533056 1544857891212 1760639377408 2059810521616 2640959066112 3089715782424 3521278754816 4119621043232 5281918132224 6179431564848 7042557509632 8239242086464 10563836264448 12358863129696 14085115019264 16478484172928 21127672528896 24717726259392 28170230038528 32956968345856 42255345057792 49435452518784 65913936691712 77114156402999 84510690115584 98870905037568 131827873383424 154228312805998 197741810075136 231342469208997 263655746766848 308456625611996 395483620150272 462684938417994 527311493533696 616913251223992 790967240300544 925369876835988 1054622987067392 1233826502447984 1581934480601088 1850739753671976 2109245974134784 2467653004895968 3163868961202176 3701479507343952 4218491948269568 4935306009791936 6327737922404352 7402959014687904 8436983896539136 9870612019583872 12655475844808704 14805918029375808 16873967793078272 19741224039167744 25310951689617408 29611836058751616 39482448078335488 46191379685396401 50621903379234816 59223672117503232 78964896156670976 92382759370792802 118447344235006464 138574139056189203 157929792313341952 184765518741585604 236894688470012928 277148278112378406 315859584626683904 369531037483171208 473789376940025856 554296556224756812 631719169253367808 739062074966342416 947578753880051712 1108593112449513624 1263438338506735616 1478124149932684832 1895157507760103424 2217186224899027248 2526876677013471232 2956248299865369664 3790315015520206848 4434372449798054496 5053753354026942464 5912496599730739328 7580630031040413696 8868744899596108992 10107506708053884928 11824993199461478656 15161260062080827392 17737489799192217984 23649986398922957312 30322520124161654784 35474979598384435968 47299972797845914624 70949959196768871936 94599945595691829248 141899918393537743872 189199891191383658496 283799836787075487744 378399782382767316992 567599673574150975488 756799564765534633984 1135199347148301950976 1513599129531069267968 2270398694296603901952 3027198259062138535936 4540797388593207803904 6054396518124277071872 9081594777186415607808 18163189554372831215616
• Sum of all divisors σ(n): 48515982341648510898972
• Sum of proper divisors (its aliquot sum) s(n): 30352792787275679683356
• 18163189554372831215616 is an abundant number, because the sum of its proper divisors (30352792787275679683356) is greater than itself. Its abundance is 12189603232902848467740

Bases of 18163189554372831215616

• Binary: 11110110001010000011100011111110101111111111011110001001100000000000000000₂
• Hexadecimal: 0x3D8A0E3FAFFDE260000
• Base-36: 2YH7ED99UGPDWQO

Squares and roots of 18163189554372831215616

• 18163189554372831215616 squared (18163189554372831215616²) is 329901454788078326997902308865865704282259456
• 18163189554372831215616 cubed (18163189554372831215616³) is 5992062657579225113084221502624225016882861823552681393763590864896
• The square root of 18163189554372831215616 is 134770877990.6580233733
• The cube root of 18163189554372831215616 is 26286375.3563121937
• Being both a perfect square and a perfect cube, 18163189554372831215616 is also a perfect sixth number.

Scales and comparisons

• 18,163,189,554,372,831,215,616 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,163,189,554,372,831,215,616 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 18163189554372831215616 cubic inches would be around 2190531.3 feet tall.

Recreational maths with 18163189554372831215616

• 18163189554372831215616 backwards is 61651213827345598136181
• 18163189554372831215616 is a Harshad number.
• The number of decimal digits it has is: 23
• The sum of 18163189554372831215616's digits is 96
• More coming soon!