8421976009

Names of 8421976009

• Cardinal: 8421976009 can be written as Eight billion, four hundred twenty-one million, nine hundred seventy-six thousand and nine.

Scientific notation

• Scientific notation: 8.421976009 × 10⁹

Factors of 8421976009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 763931

Divisors of 8421976009

• Number of divisors d(n): 8
• Complete list of divisors:
  1 41 269 11029 763621 31308461 205414049 8421976009
• Sum of all divisors σ(n): 8659473480
• Sum of proper divisors (its aliquot sum) s(n): 237497471
• 8421976009 is a deficient number, because the sum of its proper divisors (237497471) is less than itself. Its deficiency is 8184478538

Bases of 8421976009

• Binary: 111110101111111010010011111001001₂
• Hexadecimal: 0x1F5FD27C9
• Base-36: 3VA86A1

Squares and roots of 8421976009

• 8421976009 squared (8421976009²) is 70929679896171568081
• 8421976009 cubed (8421976009³) is 597368062411606557326092168729
• The square root of 8421976009 is 91771.3245463963
• The cube root of 8421976009 is 2034.5638949817

Scales and comparisons

• 8,421,976,009 seconds is equal to 267 years, 41 weeks, 1 day, 13 hours, 46 minutes, 49 seconds.
• To count from 1 to 8,421,976,009 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 8421976009 cubic inches would be around 169.5 feet tall.

Recreational maths with 8421976009

• 8421976009 backwards is 9006791248
• The number of decimal digits it has is: 10
• The sum of 8421976009's digits is 46
• More coming soon!