842394393909486

Names of 842394393909486

• Cardinal: 842394393909486 can be written as Eight hundred forty-two trillion, three hundred ninety-four billion, three hundred ninety-three million, nine hundred nine thousand, four hundred eighty-six.

Scientific notation

• Scientific notation: 8.42394393909486 × 10¹⁴

Factors of 842394393909486

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 472724126789

Divisors of 842394393909486

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 594 891 1782 472724126773 945448253546 1418172380319 2836344760638 4254517140957 5199965394503 8509034281914 10399930789006 12763551422871 15599896183509 25527102845742 31199792367018 38290654268613 46799688550527 76581308537226 93599377101054 140399065651581 280798131303162 421197196954743 842394393909486
• Sum of all divisors σ(n): 2059186296227544
• Sum of proper divisors (its aliquot sum) s(n): 1216791902318058
• 842394393909486 is an abundant number, because the sum of its proper divisors (1216791902318058) is greater than itself. Its abundance is 374397508408572

Bases of 842394393909486

• Binary: 10111111100010011100111010100111000001100011101110₂
• Hexadecimal: 0x2FE273A9C18EE
• Base-36: 8ALQN45KVI

Squares and roots of 842394393909486

• 842394393909486 squared (842394393909486²) is 709628314890130263651160784196
• 842394393909486 cubed (842394393909486³) is 597786914222881162735514565515233030003283256
• The square root of 842394393909486 is 29024031.3173322979
• The cube root of 842394393909486 is 94443.4454929591

Scales and comparisons

• 842,394,393,909,486 seconds is equal to 26,785,536 years, 1 week, 3 days, 16 hours, 38 minutes, 6 seconds.
• To count from 1 to 842,394,393,909,486 would take you about sixty-six million, nine hundred sixty-three thousand, eight hundred forty 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 842394393909486 cubic inches would be around 7870.3 feet tall.

Recreational maths with 842394393909486

• 842394393909486 backwards is 684909393493248
• 842394393909486 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 842394393909486's digits is 81
• More coming soon!