40138364238

Names of 40138364238

• Cardinal: 40138364238 can be written as Forty billion, one hundred thirty-eight million, three hundred sixty-four thousand, two hundred thirty-eight.

Scientific notation

• Scientific notation: 4.0138364238 × 10¹⁰

Factors of 40138364238

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 13091528

Divisors of 40138364238

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 3066 13091443 26182886 39274329 78548658 91640101 183280202 274920303 549840606 955675339 1911350678 2867026017 5734052034 6689727373 13379454746 20069182119 40138364238
• Sum of all divisors σ(n): 93001618176
• Sum of proper divisors (its aliquot sum) s(n): 52863253938
• 40138364238 is an abundant number, because the sum of its proper divisors (52863253938) is greater than itself. Its abundance is 12724889700

Bases of 40138364238

• Binary: 100101011000011011101101010101001110₂
• Hexadecimal: 0x9586ED54E
• Base-36: IFTCG26

Squares and roots of 40138364238

• 40138364238 squared (40138364238²) is 1611088283702357320644
• 40138364238 cubed (40138364238³) is 64666448350819497315234628729272
• The square root of 40138364238 is 200345.6119759053
• The cube root of 40138364238 is 3423.8906805919

Scales and comparisons

• 40,138,364,238 seconds is equal to 1,276 years, 14 weeks, 2 days, 9 hours, 37 minutes, 18 seconds.
• To count from 1 to 40,138,364,238 would take you about two thousand, five hundred fifty-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 40138364238 cubic inches would be around 285.3 feet tall.

Recreational maths with 40138364238

• 40138364238 backwards is 83246383104
• 40138364238 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40138364238's digits is 42
• More coming soon!