2138321010

Names of 2138321010

• Cardinal: 2138321010 can be written as Two billion, one hundred thirty-eight million, three hundred twenty-one thousand and ten.

Scientific notation

• Scientific notation: 2.13832101 × 10⁹

Factors of 2138321010

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3208

Divisors of 2138321010

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 3191 6382 9573 15955 19146 22337 31910 44674 47865 67011 95730 111685 134022 223370 335055 670110 10182481 20364962 30547443 50912405 61094886 71277367 101824810 142554734 152737215 213832101 305474430 356386835 427664202 712773670 1069160505 2138321010
• Sum of all divisors σ(n): 5866947648
• Sum of proper divisors (its aliquot sum) s(n): 3728626638
• 2138321010 is an abundant number, because the sum of its proper divisors (3728626638) is greater than itself. Its abundance is 1590305628

Bases of 2138321010

• Binary: 1111111011101000011000001110010₂
• Hexadecimal: 0x7F743072
• Base-36: ZD3N1U

Squares and roots of 2138321010

• 2138321010 squared (2138321010²) is 4572416741807420100
• 2138321010 cubed (2138321010³) is 9777294785482551773726301000
• The square root of 2138321010 is 46241.9831970905
• The cube root of 2138321010 is 1288.3216379883

Scales and comparisons

• 2,138,321,010 seconds is equal to 67 years, 51 weeks, 4 days, 2 hours, 3 minutes, 30 seconds.
• To count from 1 to 2,138,321,010 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 2138321010 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138321010

• 2138321010 backwards is 0101238312
• 2138321010 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2138321010's digits is 21
• More coming soon!