2222222222

Names of 2222222222

• Cardinal: 2222222222 can be written as Two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two.

Scientific notation

• Scientific notation: 2.222222222 × 10⁹

Factors of 2222222222

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 9416

Divisors of 2222222222

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 11 22 41 82 271 451 542 902 2981 5962 9091 11111 18182 22222 100001 122221 200002 244442 372731 745462 2463661 4100041 4927322 8200082 27100271 54200542 101010101 202020202 1111111111 2222222222
• Sum of all divisors σ(n): 3739212288
• Sum of proper divisors (its aliquot sum) s(n): 1516990066
• 2222222222 is a deficient number, because the sum of its proper divisors (1516990066) is less than itself. Its deficiency is 705232156

Bases of 2222222222

• Binary: 10000100011101000110101110001110₂
• Hexadecimal: 0x84746B8E
• Base-36: 10R1XN2

Squares and roots of 2222222222

• 2222222222 squared (2222222222²) is 4938271603950617284
• 2222222222 cubed (2222222222³) is 10973936896570644719122085048
• The square root of 2222222222 is 47140.4520767463
• The cube root of 2222222222 is 1304.9558803463

Scales and comparisons

• 2,222,222,222 seconds is equal to 70 years, 34 weeks, 2 days, 3 hours, 57 minutes, 2 seconds.
• To count from 1 to 2,222,222,222 would take you about one hundred forty-one 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 2222222222 cubic inches would be around 108.7 feet tall.

Recreational maths with 2222222222

• 2222222222 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 10
• The sum of 2222222222's digits is 20
• More coming soon!