40136645872

Names of 40136645872

• Cardinal: 40136645872 can be written as Forty billion, one hundred thirty-six million, six hundred forty-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 4.0136645872 × 10¹⁰

Factors of 40136645872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8928

Divisors of 40136645872

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 31 62 67 124 134 139 248 268 278 496 536 556 1072 1112 2077 2224 4154 4309 8308 8618 8689 9313 16616 17236 17378 18626 33232 34472 34756 37252 68944 69512 74504 139024 149008 269359 288703 538718 577406 582163 1077436 1154812 1164326 1207771 2154872 2309624 2328652 2415542 4309744 4619248 4657304 4831084 9314608 9662168 18047053 19324336 36094106 37440901 72188212 74881802 80920657 144376424 149763604 161841314 288752848 299527208 323682628 599054416 647365256 1294730512 2508540367 5017080734 10034161468 20068322936 40136645872
• Sum of all divisors σ(n): 82066969600
• Sum of proper divisors (its aliquot sum) s(n): 41930323728
• 40136645872 is an abundant number, because the sum of its proper divisors (41930323728) is greater than itself. Its abundance is 1793677856

Bases of 40136645872

• Binary: 100101011000010101001001110011110000₂
• Hexadecimal: 0x958549CF0
• Base-36: IFSBM5S

Squares and roots of 40136645872

• 40136645872 squared (40136645872²) is 1610950341854334640384
• 40136645872 cubed (40136645872³) is 64658143388384769269275078094848
• The square root of 40136645872 is 200341.3234257975
• The cube root of 40136645872 is 3423.8418197627

Scales and comparisons

• 40,136,645,872 seconds is equal to 1,276 years, 11 weeks, 3 days, 12 hours, 17 minutes, 52 seconds.
• To count from 1 to 40,136,645,872 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 40136645872 cubic inches would be around 285.3 feet tall.

Recreational maths with 40136645872

• 40136645872 backwards is 27854663104
• The number of decimal digits it has is: 11
• The sum of 40136645872's digits is 46
• More coming soon!