189942920334091231

Names of 189942920334091231

• Cardinal: 189942920334091231 can be written as One hundred eighty-nine quadrillion, nine hundred forty-two trillion, nine hundred twenty billion, three hundred thirty-four million, ninety-one thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 1.89942920334091231 × 10¹⁷

Factors of 189942920334091231

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 371369129

Divisors of 189942920334091231

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5009 102139 371261981 511614251 1859651262829 37920327477359 189942920334091231
• Sum of all divisors σ(n): 189982701195814800
• Sum of proper divisors (its aliquot sum) s(n): 39780861723569
• 189942920334091231 is a deficient number, because the sum of its proper divisors (39780861723569) is less than itself. Its deficiency is 189903139472367662

Bases of 189942920334091231

• Binary: 1010100010110100000001010001100110000111010010001111011111₂
• Hexadecimal: 0x2A2D014661D23DF
• Base-36: 1FY958ZE1MU7

Squares and roots of 189942920334091231

• 189942920334091231 squared (189942920334091231²) is 36078312985042928036685990631095361
• 189942920334091231 cubed (189942920334091231³) is 6852820129106418074214280599183731437191236034879391
• The square root of 189942920334091231 is 435824414.5686324799
• The cube root of 189942920334091231 is 574832.1328084355

Scales and comparisons

• 189,942,920,334,091,231 seconds is equal to 6,039,597,334 years, 30 weeks, 6 days, 17 hours, 20 minutes, 31 seconds.
• To count from 1 to 189,942,920,334,091,231 would take you about eighteen billion, one hundred eighteen million, seven hundred ninety-two thousand and three 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 189942920334091231 cubic inches would be around 47902.7 feet tall.

Recreational maths with 189942920334091231

• 189942920334091231 backwards is 132190433029249981
• The number of decimal digits it has is: 18
• The sum of 189942920334091231's digits is 70
• More coming soon!