8423391813

Names of 8423391813

• Cardinal: 8423391813 can be written as Eight billion, four hundred twenty-three million, three hundred ninety-one thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 8.423391813 × 10⁹

Factors of 8423391813

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 52977363

Divisors of 8423391813

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 53 159 52977307 158931921 2807797271 8423391813
• Sum of all divisors σ(n): 11443098528
• Sum of proper divisors (its aliquot sum) s(n): 3019706715
• 8423391813 is a deficient number, because the sum of its proper divisors (3019706715) is less than itself. Its deficiency is 5403685098

Bases of 8423391813

• Binary: 111110110000100101100001001000101₂
• Hexadecimal: 0x1F612C245
• Base-36: 3VB2IPX

Squares and roots of 8423391813

• 8423391813 squared (8423391813²) is 70953529635315426969
• 8423391813 cubed (8423391813³) is 597669380633568843203274004797
• The square root of 8423391813 is 91779.0379825371
• The cube root of 8423391813 is 2034.6778976141

Scales and comparisons

• 8,423,391,813 seconds is equal to 267 years, 43 weeks, 3 days, 23 hours, 3 minutes, 33 seconds.
• To count from 1 to 8,423,391,813 would take you about five hundred thirty-five 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 8423391813 cubic inches would be around 169.6 feet tall.

Recreational maths with 8423391813

• 8423391813 backwards is 3181933248
• The number of decimal digits it has is: 10
• The sum of 8423391813's digits is 42
• More coming soon!