18189832715944988121

Names of 18189832715944988121

• Cardinal: 18189832715944988121 can be written as Eighteen quintillion, one hundred eighty-nine quadrillion, eight hundred thirty-two trillion, seven hundred fifteen billion, nine hundred forty-four million, nine hundred eighty-eight thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.8189832715944988121 × 10¹⁹

Factors of 18189832715944988121

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7732

Divisors of 18189832715944988121

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 9 27 43 81 129 387 1161 1849 1907 3483 5547 5721 5779 16641 17163 17337 49923 51489 52011 82001 149769 154467 156033 246003 248497 468099 738009 745491 2214027 2236473 3526043 6642081 6709419 10578129 10685371 11020553 20128257 31734387 32056113 33061659 33396841 95203161 96168339 99184977 100190523 285609483 288505017 297554931 300571569 473883779 865515051 892664793 901714707 1421651337 1436064163 2705144121 4264954011 4308192489 12794862033 12924577467 20377002497 38384586099 38773732401 61131007491 61750759009 63687775787 116321197203 183393022473 185252277027 191063327361 550179067419 555756831081 573189982083 1650537202257 1667270493243 1719569946249 2738574358841 5001811479729 5158709838747 8215723076523 24647169229569 73941507688707 117758697430163 221824523066121 353276092290489 1059828276871467 3179484830614401 9538454491843203
• Sum of all divisors σ(n): 18194892313258562922
• Sum of proper divisors (its aliquot sum) s(n): 5059597313574801
• 18189832715944988121 is a deficient number, because the sum of its proper divisors (5059597313574801) is less than itself. Its deficiency is 18184773118631413320

Bases of 18189832715944988121

• Binary: 1111110001101111010001000111101100110101101011100000110111011001₂
• Hexadecimal: 0xFC6F447B35AE0DD9
• Base-36: 3U74DJXQUGGK9

Squares and roots of 18189832715944988121

• 18189832715944988121 squared (18189832715944988121²) is 330870014234062622903197359578831110641
• 18189832715944988121 cubed (18189832715944988121³) is 6018470209639936198489577701582264795518007382935981695561
• 18189832715944988121 is a perfect square number. Its square root is 4264954011
• The cube root of 18189832715944988121 is 2629922.2035012241

Scales and comparisons

• 18,189,832,715,944,988,121 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,189,832,715,944,988,121 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 18189832715944988121 cubic inches would be around 219160.2 feet tall.

Recreational maths with 18189832715944988121

• 18189832715944988121 backwards is 12188944951723898181
• The number of decimal digits it has is: 20
• The sum of 18189832715944988121's digits is 99
• More coming soon!