189909665276360121

Names of 189909665276360121

• Cardinal: 189909665276360121 can be written as One hundred eighty-nine quadrillion, nine hundred nine trillion, six hundred sixty-five billion, two hundred seventy-six million, three hundred sixty thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.89909665276360121 × 10¹⁷

Factors of 189909665276360121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 219

Divisors of 189909665276360121

• Number of divisors d(n): 63
• Complete list of divisors:
  1 3 9 19 57 171 197 361 591 1083 1773 3249 3743 11229 33687 38809 71117 116427 213351 349281 640053 737371 2212113 6636339 7645373 14010049 22936119 42030147 68808357 126090441 145262087 435786261 1307358783 1506138481 2759979653 4518415443 8279938959 13555246329 24839816877 28616631139 85849893417 257549680251 296709280757 543715991641 890127842271 1631147974923 2670383526813 4893443924769 5637476334383 16912429003149 50737287009447 58451728309129 107112050353277 175355184927387 321336151059831 526065554782161 964008453179493 1110582837873451 3331748513620353 9995245540861059 21101073919595569 63303221758786707 189909665276360121
• Sum of all divisors σ(n): 290988509347335891
• Sum of proper divisors (its aliquot sum) s(n): 101078844070975770
• 189909665276360121 is a deficient number, because the sum of its proper divisors (101078844070975770) is less than itself. Its deficiency is 88830821205384351

Bases of 189909665276360121

• Binary: 1010100010101100011101010110011010001101011111010110111001₂
• Hexadecimal: 0x2A2B1D59A35F5B9
• Base-36: 1FXXCVTJAJ09

Squares and roots of 189909665276360121

• 189909665276360121 squared (189909665276360121²) is 36065680965379141073313846479134641
• 189909665276360121 cubed (189909665276360121³) is 6849221400099145234760349262610973646154338362051561
• 189909665276360121 is a perfect square number. Its square root is 435786261
• The cube root of 189909665276360121 is 574798.5837972443
• Being both a perfect square and a perfect cube, 189909665276360121 is also a perfect sixth number.

Scales and comparisons

• 189,909,665,276,360,121 seconds is equal to 6,038,539,926 years, 32 weeks, 3 days, 4 hours, 55 minutes, 21 seconds.
• To count from 1 to 189,909,665,276,360,121 would take you about eighteen billion, one hundred fifteen million, six hundred nineteen thousand, seven hundred seventy-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 189909665276360121 cubic inches would be around 47899.9 feet tall.

Recreational maths with 189909665276360121

• 189909665276360121 backwards is 121063672566909981
• The number of decimal digits it has is: 18
• The sum of 189909665276360121's digits is 81
• More coming soon!