42191288181

Names of 42191288181

• Cardinal: 42191288181 can be written as Forty-two billion, one hundred ninety-one million, two hundred eighty-eight thousand, one hundred eighty-one.

Scientific notation

• Scientific notation: 4.2191288181 × 10¹⁰

Factors of 42191288181

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12012

Divisors of 42191288181

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 9 21 27 63 79 81 189 237 553 567 711 1659 2133 4977 6241 6399 11923 14931 18723 35769 43687 44793 56169 83461 107307 131061 168507 250383 321921 393183 505521 751149 941917 965763 1179549 2253447 2825751 3538647 6593419 6760341 8477253 19780257 25431759 59340771 74411443 76295277 178022313 223234329 520880101 534066939 669702987 1562640303 2009108961 4687920909 6027326883 14063762727 42191288181
• Sum of all divisors σ(n): 72959712672
• Sum of proper divisors (its aliquot sum) s(n): 30768424491
• 42191288181 is a deficient number, because the sum of its proper divisors (30768424491) is less than itself. Its deficiency is 11422863690

Bases of 42191288181

• Binary: 100111010010110010111111011101110101₂
• Hexadecimal: 0x9D2CBF775
• Base-36: JDRLQB9

Squares and roots of 42191288181

• 42191288181 squared (42191288181²) is 1780104798372190288761
• 42191288181 cubed (42191288181³) is 75104914540501980169284956433741
• The square root of 42191288181 is 205405.1805115927
• The cube root of 42191288181 is 3481.2958187049

Scales and comparisons

• 42,191,288,181 seconds is equal to 1,341 years, 28 weeks, 5 days, 2 hours, 16 minutes, 21 seconds.
• To count from 1 to 42,191,288,181 would take you about two thousand, six hundred eighty-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 42191288181 cubic inches would be around 290.1 feet tall.

Recreational maths with 42191288181

• 42191288181 backwards is 18188219124
• The number of decimal digits it has is: 11
• The sum of 42191288181's digits is 45
• More coming soon!