18172052737124897472

Names of 18172052737124897472

• Cardinal: 18172052737124897472 can be written as Eighteen quintillion, one hundred seventy-two quadrillion, fifty-two trillion, seven hundred thirty-seven billion, one hundred twenty-four million, eight hundred ninety-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8172052737124897472 × 10¹⁹

Factors of 18172052737124897472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 55420197

Divisors of 18172052737124897472

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 186 192 248 372 496 744 881 992 1488 1762 1984 2643 2976 3524 5286 5952 7048 10572 14096 21144 27311 28192 42288 54622 56384 62603 81933 84576 109244 125206 163866 169152 187809 218488 250412 327732 375618 436976 500824 655464 751236 873952 1001648 1310928 1502472 1747904 1940693 2003296 2621856 3004944 3881386 4006592 5243712 5822079 6009888 7762772 11644158 12019776 15525544 23288316 31051088 46576632 55153243 55356677 62102176 93153264 110306486 110713354 124204352 165459729 166070031 186306528 220612972 221426708 330919458 332140062 372613056 441225944 442853416 661838916 664280124 882451888 885706832 1323677832 1328560248 1709750533 1716056987 1764903776 1771413664 2647355664 2657120496 3419501066 3432113974 3529807552 3542827328 5129251599 5148170961 5294711328 5314240992 6839002132 6864227948 10258503198 10296341922 10589422656 10628481984 13678004264 13728455896 20517006396 20592683844 27356008528 27456911792 41034012792 41185367688 48769232437 54712017056 54913823584 82068025584 82370735376 97538464874 109424034112 109827647168 146307697311 164136051168 164741470752 195076929748 292615394622 328272102336 329482941504 390153859496 585230789244 780307718992 1170461578488 1511846205547 1560615437984 2340923156976 3023692411094 3121230875968 3465494050231 4535538616641 4681846313952 6047384822188 6930988100462 9071077233282 9363692627904 10396482150693 12094769644376 13861976200924 18142154466564 20792964301386 24189539288752 27723952401848 36284308933128 41585928602772 48379078577504 55447904803696 72568617866256 83171857205544 96758157155008 107430315557161 110895809607392 145137235732512 166343714411088 214860631114322 221791619214784 290274471465024 322290946671483 332687428822176 429721262228644 644581893342966 665374857644352 859442524457288 1289163786685932 1718885048914576 2578327573371864 3053100258253511 3437770097829152 5156655146743728 6106200516507022 6875540195658304 9159300774760533 10313310293487456 12212401033014044 18318601549521066 20626620586974912 24424802066028088 36637203099042132 48849604132056176 73274406198084264 94646108005858841 97699208264112352 146548812396168528 189292216011717682 195398416528224704 283938324017576523 293097624792337056 378584432023435364 567876648035153046 586195249584674112 757168864046870728 1135753296070306092 1514337728093741456 2271506592140612184 3028675456187482912 4543013184281224368 6057350912374965824 9086026368562448736 18172052737124897472
• Sum of all divisors σ(n): 49688327459573397504
• Sum of proper divisors (its aliquot sum) s(n): 31516274722448500032
• 18172052737124897472 is an abundant number, because the sum of its proper divisors (31516274722448500032) is greater than itself. Its abundance is 13344221985323602560

Bases of 18172052737124897472

• Binary: 1111110000110000000110011010111101001011111111101001001011000000₂
• Hexadecimal: 0xFC3019AF4BFE92C0
• Base-36: 3U29B2S8IFA2O

Squares and roots of 18172052737124897472

• 18172052737124897472 squared (18172052737124897472²) is 330223500680848478064819561106511990784
• 18172052737124897472 cubed (18172052737124897472³) is 6000838869410378029730117022542073385968058846194608898048
• The square root of 18172052737124897472 is 4262869073.4204935787
• The cube root of 18172052737124897472 is 2629065.0359186387

Scales and comparisons

• 18,172,052,737,124,897,472 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,172,052,737,124,897,472 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 18172052737124897472 cubic inches would be around 219088.8 feet tall.

Recreational maths with 18172052737124897472

• 18172052737124897472 backwards is 27479842173725027181
• The number of decimal digits it has is: 20
• The sum of 18172052737124897472's digits is 87
• More coming soon!