8142788912

Names of 8142788912

• Cardinal: 8142788912 can be written as Eight billion, one hundred forty-two million, seven hundred eighty-eight thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 8.142788912 × 10⁹

Factors of 8142788912

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 255

Divisors of 8142788912

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 37 43 74 86 148 172 173 296 344 346 592 688 692 1384 1591 1849 2768 3182 3698 6364 6401 7396 7439 12728 12802 14792 14878 25456 25604 29584 29756 51208 59512 68413 79507 102416 119024 136826 159014 273652 275243 318028 319877 547304 550486 636056 639754 1094608 1100972 1272112 1279508 2201944 2559016 2941759 4403888 5118032 5883518 11767036 11835449 13754711 23534072 23670898 27509422 47068144 47341796 55018844 94683592 110037688 189367184 220075376 508924307 1017848614 2035697228 4071394456 8142788912
• Sum of all divisors σ(n): 16684720800
• Sum of proper divisors (its aliquot sum) s(n): 8541931888
• 8142788912 is an abundant number, because the sum of its proper divisors (8541931888) is greater than itself. Its abundance is 399142976

Bases of 8142788912

• Binary: 111100101010110010001100100110000₂
• Hexadecimal: 0x1E5591930
• Base-36: 3QO084W

Squares and roots of 8142788912

• 8142788912 squared (8142788912²) is 66305011265390143744
• 8142788912 cubed (8142788912³) is 539907710541853951832729366528
• The square root of 8142788912 is 90237.4030654695
• The cube root of 8142788912 is 2011.8289757361

Scales and comparisons

• 8,142,788,912 seconds is equal to 258 years, 47 weeks, 4 days, 5 hours, 48 minutes, 32 seconds.
• To count from 1 to 8,142,788,912 would take you about five hundred seventeen 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 8142788912 cubic inches would be around 167.7 feet tall.

Recreational maths with 8142788912

• 8142788912 backwards is 2198872418
• The number of decimal digits it has is: 10
• The sum of 8142788912's digits is 50
• More coming soon!