1999950321

Names of 1999950321

• Cardinal: 1999950321 can be written as One billion, nine hundred ninety-nine million, nine hundred fifty thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.999950321 × 10⁹

Factors of 1999950321

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8032015

Divisors of 1999950321

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 83 249 8031929 24095787 666650107 1999950321
• Sum of all divisors σ(n): 2698728480
• Sum of proper divisors (its aliquot sum) s(n): 698778159
• 1999950321 is a deficient number, because the sum of its proper divisors (698778159) is less than itself. Its deficiency is 1301172162

Bases of 1999950321

• Binary: 1110111001101001101000111110001₂
• Hexadecimal: 0x7734D1F1
• Base-36: X2PVJL

Squares and roots of 1999950321

• 1999950321 squared (1999950321²) is 3999801286468003041
• 1999950321 cubed (1999950321³) is 7999403866807895638076926161
• The square root of 1999950321 is 44720.8041184415
• The cube root of 1999950321 is 1259.9106178721

Scales and comparisons

• 1,999,950,321 seconds is equal to 63 years, 30 weeks, 5 days, 13 hours, 45 minutes, 21 seconds.
• To count from 1 to 1,999,950,321 would take you about one hundred twenty-seven 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 1999950321 cubic inches would be around 105 feet tall.

Recreational maths with 1999950321

• 1999950321 backwards is 1230599991
• The number of decimal digits it has is: 10
• The sum of 1999950321's digits is 48
• More coming soon!