18439528146

Names of 18439528146

• Cardinal: 18439528146 can be written as Eighteen billion, four hundred thirty-nine million, five hundred twenty-eight thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 1.8439528146 × 10¹⁰

Factors of 18439528146

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4136

Divisors of 18439528146

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 13 26 39 67 78 134 169 201 338 402 507 871 1014 1742 2613 4051 4489 5226 8102 8978 11323 12153 13467 22646 24306 26934 33969 52663 58357 67938 105326 116714 157989 175071 271417 315978 350142 542834 684619 758641 814251 1369238 1517282 1628502 2053857 2275923 3528421 4107714 4551846 7056842 10585263 18184939 21170526 36369878 45869473 54554817 91738946 109109634 137608419 236404207 275216838 472808414 709212621 1418425242 3073254691 6146509382 9219764073 18439528146
• Sum of all divisors σ(n): 40549060944
• Sum of proper divisors (its aliquot sum) s(n): 22109532798
• 18439528146 is an abundant number, because the sum of its proper divisors (22109532798) is greater than itself. Its abundance is 3670004652

Bases of 18439528146

• Binary: 10001001011000101001101111011010010₂
• Hexadecimal: 0x44B14DED2
• Base-36: 8GYF2Z6

Squares and roots of 18439528146

• 18439528146 squared (18439528146²) is 340016198247126197316
• 18439528146 cubed (18439528146³) is 6269738257673799379022331656136
• The square root of 18439528146 is 135792.2241735511
• The cube root of 18439528146 is 2641.9013767635

Scales and comparisons

• 18,439,528,146 seconds is equal to 586 years, 16 weeks, 4 days, 11 hours, 9 minutes, 6 seconds.
• To count from 1 to 18,439,528,146 would take you about one thousand, one hundred seventy-two 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 18439528146 cubic inches would be around 220.2 feet tall.

Recreational maths with 18439528146

• 18439528146 backwards is 64182593481
• The number of decimal digits it has is: 11
• The sum of 18439528146's digits is 51
• More coming soon!