2129948321

Names of 2129948321

• Cardinal: 2129948321 can be written as Two billion, one hundred twenty-nine million, nine hundred forty-eight thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 2.129948321 × 10⁹

Factors of 2129948321

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 14983

Divisors of 2129948321

• Number of divisors d(n): 8
• Complete list of divisors:
  1 59 3037 11887 179183 701333 36100819 2129948321
• Sum of all divisors σ(n): 2166944640
• Sum of proper divisors (its aliquot sum) s(n): 36996319
• 2129948321 is a deficient number, because the sum of its proper divisors (36996319) is less than itself. Its deficiency is 2092952002

Bases of 2129948321

• Binary: 1111110111101000110111010100001₂
• Hexadecimal: 0x7EF46EA1
• Base-36: Z846N5

Squares and roots of 2129948321

• 2129948321 squared (2129948321²) is 4536679850130719041
• 2129948321 cubed (2129948321³) is 9662893629700456651900680161
• The square root of 2129948321 is 46151.3631542989
• The cube root of 2129948321 is 1286.6379453963

Scales and comparisons

• 2,129,948,321 seconds is equal to 67 years, 37 weeks, 5 days, 4 hours, 18 minutes, 41 seconds.
• To count from 1 to 2,129,948,321 would take you about one 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 2129948321 cubic inches would be around 107.2 feet tall.

Recreational maths with 2129948321

• 2129948321 backwards is 1238499212
• The number of decimal digits it has is: 10
• The sum of 2129948321's digits is 41
• More coming soon!