42389728768

Names of 42389728768

• Cardinal: 42389728768 can be written as Forty-two billion, three hundred eighty-nine million, seven hundred twenty-eight thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 4.2389728768 × 10¹⁰

Factors of 42389728768

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1134218

Divisors of 42389728768

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 32 64 73 128 146 256 292 512 584 1168 2336 4672 9344 18688 37376 1134143 2268286 4536572 9073144 18146288 36292576 72585152 82792439 145170304 165584878 290340608 331169756 580681216 662339512 1324679024 2649358048 5298716096 10597432192 21194864384 42389728768
• Sum of all divisors σ(n): 85856969088
• Sum of proper divisors (its aliquot sum) s(n): 43467240320
• 42389728768 is an abundant number, because the sum of its proper divisors (43467240320) is greater than itself. Its abundance is 1077511552

Bases of 42389728768

• Binary: 100111011110100111111110111000000000₂
• Hexadecimal: 0x9DE9FEE00
• Base-36: JH1R01S

Squares and roots of 42389728768

• 42389728768 squared (42389728768²) is 1796889105024606797824
• 42389728768 cubed (42389728768³) is 76169641788167348125608372600832
• The square root of 42389728768 is 205887.6605530307
• The cube root of 42389728768 is 3486.7452069821

Scales and comparisons

• 42,389,728,768 seconds is equal to 1,347 years, 44 weeks, 5 days, 20 hours, 39 minutes, 28 seconds.
• To count from 1 to 42,389,728,768 would take you about two thousand, six hundred ninety-five 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 42389728768 cubic inches would be around 290.6 feet tall.

Recreational maths with 42389728768

• 42389728768 backwards is 86782798324
• 42389728768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42389728768's digits is 64
• More coming soon!