7842082942

Names of 7842082942

• Cardinal: 7842082942 can be written as Seven billion, eight hundred forty-two million, eighty-two thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 7.842082942 × 10⁹

Factors of 7842082942

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1012130

Divisors of 7842082942

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3889 7778 1008239 2016478 3921041471 7842082942
• Sum of all divisors σ(n): 11766160800
• Sum of proper divisors (its aliquot sum) s(n): 3924077858
• 7842082942 is a deficient number, because the sum of its proper divisors (3924077858) is less than itself. Its deficiency is 3918005084

Bases of 7842082942

• Binary: 111010011011011001011000001111110₂
• Hexadecimal: 0x1D36CB07E
• Base-36: 3LOZ1XA

Squares and roots of 7842082942

• 7842082942 squared (7842082942²) is 61498264869207375364
• 7842082942 cubed (7842082942³) is 482274493893409019402615440888
• The square root of 7842082942 is 88555.5359195573
• The cube root of 7842082942 is 1986.7526933317

Scales and comparisons

• 7,842,082,942 seconds is equal to 249 years, 18 weeks, 2 days, 20 hours, 22 minutes, 22 seconds.
• To count from 1 to 7,842,082,942 would take you about four hundred ninety-eight 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 7842082942 cubic inches would be around 165.6 feet tall.

Recreational maths with 7842082942

• 7842082942 backwards is 2492802487
• The number of decimal digits it has is: 10
• The sum of 7842082942's digits is 46
• More coming soon!