642377338034825016009

Names of 642377338034825016009

• Cardinal: 642377338034825016009 can be written as Six hundred forty-two quintillion, three hundred seventy-seven quadrillion, three hundred thirty-eight trillion, thirty-four billion, eight hundred twenty-five million, sixteen thousand and nine.

Scientific notation

• Scientific notation: 6.42377338034825016009 × 10²⁰

Factors of 642377338034825016009

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2816129336

Divisors of 642377338034825016009

• Number of divisors d(n): 15
• Complete list of divisors:
  1 3 9 27 81 2816129333 8448387999 25345163997 76035491991 228106475973 7930584420183024889 23791753260549074667 71375259781647224001 214125779344941672003 642377338034825016009
• Sum of all divisors σ(n): 959600715182897660983
• Sum of proper divisors (its aliquot sum) s(n): 317223377148072644974
• 642377338034825016009 is a deficient number, because the sum of its proper divisors (317223377148072644974) is less than itself. Its deficiency is 325153960886752371035

Bases of 642377338034825016009

• Binary: 1000101101001011000110110000010111101101001110110001010011001011001001₂
• Hexadecimal: 0x22D2C6C17B4EC532C9
• Base-36: 3RKHCHOEP367K9

Squares and roots of 642377338034825016009

• 642377338034825016009 squared (642377338034825016009²) is 412648644420707846160550389824027106288081
• 642377338034825016009 cubed (642377338034825016009³) is 265076137746653353940371179303673897487053468577710365390888729
• 642377338034825016009 is a perfect square number. Its square root is 25345163997
• The cube root of 642377338034825016009 is 8628396.0325570717

Scales and comparisons

• 642,377,338,034,825,016,009 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 642,377,338,034,825,016,009 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 642377338034825016009 cubic inches would be around 719033 feet tall.

Recreational maths with 642377338034825016009

• 642377338034825016009 backwards is 900610528430833773246
• 642377338034825016009 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 642377338034825016009's digits is 81
• More coming soon!