40688989845

Names of 40688989845

• Cardinal: 40688989845 can be written as Forty billion, six hundred eighty-eight million, nine hundred eighty-nine thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 4.0688989845 × 10¹⁰

Factors of 40688989845

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 732579

Divisors of 40688989845

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 7 15 21 23 35 69 105 115 161 345 483 529 805 1587 2415 2645 3703 7935 11109 18515 55545 732541 2197623 3662705 5127787 10988115 15383361 16848443 25638935 50545329 76916805 84242215 117939101 252726645 353817303 387514189 589695505 1162542567 1769086515 1937570945 2712599323 5812712835 8137797969 13562996615 40688989845
• Sum of all divisors σ(n): 77778379392
• Sum of proper divisors (its aliquot sum) s(n): 37089389547
• 40688989845 is a deficient number, because the sum of its proper divisors (37089389547) is less than itself. Its deficiency is 3599600298

Bases of 40688989845

• Binary: 100101111001010000001011011010010101₂
• Hexadecimal: 0x97940B695
• Base-36: IOX69HX

Squares and roots of 40688989845

• 40688989845 squared (40688989845²) is 1655593894606513124025
• 40688989845 cubed (40688989845³) is 67364443165088412774312450526125
• The square root of 40688989845 is 201715.1205165345
• The cube root of 40688989845 is 3439.4761530211

Scales and comparisons

• 40,688,989,845 seconds is equal to 1,293 years, 40 weeks, 5 days, 9 hours, 10 minutes, 45 seconds.
• To count from 1 to 40,688,989,845 would take you about two thousand, five hundred eighty-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 40688989845 cubic inches would be around 286.6 feet tall.

Recreational maths with 40688989845

• 40688989845 backwards is 54898988604
• 40688989845 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40688989845's digits is 69
• More coming soon!