9420121321

Names of 9420121321

• Cardinal: 9420121321 can be written as Nine billion, four hundred twenty million, one hundred twenty-one thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 9.420121321 × 10⁹

Factors of 9420121321

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 38138175

Divisors of 9420121321

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 19 247 38138143 495795859 724624717 9420121321
• Sum of all divisors σ(n): 10678680320
• Sum of proper divisors (its aliquot sum) s(n): 1258558999
• 9420121321 is a deficient number, because the sum of its proper divisors (1258558999) is less than itself. Its deficiency is 8161562322

Bases of 9420121321

• Binary: 1000110001011110111010010011101001₂
• Hexadecimal: 0x2317BA4E9
• Base-36: 4BSHW4P

Squares and roots of 9420121321

• 9420121321 squared (9420121321²) is 88738685702358785041
• 9420121321 cubed (9420121321³) is 835929185182307850956379959161
• The square root of 9420121321 is 97057.3094671391
• The cube root of 9420121321 is 2111.9590769187

Scales and comparisons

• 9,420,121,321 seconds is equal to 299 years, 27 weeks, 4 days, 4 hours, 22 minutes, 1 second.
• To count from 1 to 9,420,121,321 would take you about five hundred ninety-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 9420121321 cubic inches would be around 176 feet tall.

Recreational maths with 9420121321

• 9420121321 backwards is 1231210249
• The number of decimal digits it has is: 10
• The sum of 9420121321's digits is 25
• More coming soon!