6918061321

Names of 6918061321

• Cardinal: 6918061321 can be written as Six billion, nine hundred eighteen million, sixty-one thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 6.918061321 × 10⁹

Factors of 6918061321

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 160885190

Divisors of 6918061321

• Number of divisors d(n): 4
• Complete list of divisors:
  1 43 160885147 6918061321
• Sum of all divisors σ(n): 7078946512
• Sum of proper divisors (its aliquot sum) s(n): 160885191
• 6918061321 is a deficient number, because the sum of its proper divisors (160885191) is less than itself. Its deficiency is 6757176130

Bases of 6918061321

• Binary: 110011100010110010011110100001001₂
• Hexadecimal: 0x19C593D09
• Base-36: 36EU2A1

Squares and roots of 6918061321

• 6918061321 squared (6918061321²) is 47859572441116265041
• 6918061321 cubed (6918061321³) is 331095456944483983244126579161
• The square root of 6918061321 is 83174.8839554345
• The cube root of 6918061321 is 1905.4379137609

Scales and comparisons

• 6,918,061,321 seconds is equal to 219 years, 50 weeks, 4 days, 3 hours, 42 minutes, 1 second.
• To count from 1 to 6,918,061,321 would take you about four hundred thirty-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 6918061321 cubic inches would be around 158.8 feet tall.

Recreational maths with 6918061321

• 6918061321 backwards is 1231608196
• The number of decimal digits it has is: 10
• The sum of 6918061321's digits is 37
• More coming soon!