40538052018

Names of 40538052018

• Cardinal: 40538052018 can be written as Forty billion, five hundred thirty-eight million, fifty-two thousand and eighteen.

Scientific notation

• Scientific notation: 4.0538052018 × 10¹⁰

Factors of 40538052018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 34164

Divisors of 40538052018

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 18 27 53 54 81 106 139 159 162 278 318 417 477 834 954 1251 1431 2502 2862 3753 4293 7367 7506 8586 11259 14734 22101 22518 33967 44202 66303 67934 101901 132606 198909 203802 305703 397818 596727 611406 917109 1193454 1800251 1834218 2751327 3600502 4721413 5400753 5502654 9442826 10801506 14164239 16202259 28328478 32404518 42492717 48606777 84985434 97213554 127478151 145820331 250234889 254956302 291640662 382434453 500469778 750704667 764868906 1501409334 2252114001 4504228002 6756342003 13512684006 20269026009 40538052018
• Sum of all divisors σ(n): 93217703040
• Sum of proper divisors (its aliquot sum) s(n): 52679651022
• 40538052018 is an abundant number, because the sum of its proper divisors (52679651022) is greater than itself. Its abundance is 12141599004

Bases of 40538052018

• Binary: 100101110000010000011001010110110010₂
• Hexadecimal: 0x9704195B2
• Base-36: IMFB54I

Squares and roots of 40538052018

• 40538052018 squared (40538052018²) is 1643333661414073872324
• 40538052018 cubed (40538052018³) is 66617545449334126073565002549832
• The square root of 40538052018 is 201340.6367775765
• The cube root of 40538052018 is 3435.2179141325

Scales and comparisons

• 40,538,052,018 seconds is equal to 1,288 years, 51 weeks, 1 day, 10 hours, 18 seconds.
• To count from 1 to 40,538,052,018 would take you about two thousand, five hundred seventy-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 40538052018 cubic inches would be around 286.3 feet tall.

Recreational maths with 40538052018

• 40538052018 backwards is 81025083504
• The number of decimal digits it has is: 11
• The sum of 40538052018's digits is 36
• More coming soon!