8021171442

Names of 8021171442

• Cardinal: 8021171442 can be written as Eight billion, twenty-one million, one hundred seventy-one thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 8.021171442 × 10⁹

Factors of 8021171442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1551

Divisors of 8021171442

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 19 38 57 114 191 382 389 573 778 947 1146 1167 1894 2334 2841 3629 5682 7258 7391 10887 14782 17993 21774 22173 35986 44346 53979 74299 107958 148598 180877 222897 361754 368383 445794 542631 736766 1085262 1105149 1411681 2210298 2823362 3436663 4235043 6873326 6999277 8470086 10309989 13998554 20619978 20997831 41995662 70361153 140722306 211083459 422166918 1336861907 2673723814 4010585721 8021171442
• Sum of all divisors σ(n): 17036697600
• Sum of proper divisors (its aliquot sum) s(n): 9015526158
• 8021171442 is an abundant number, because the sum of its proper divisors (9015526158) is greater than itself. Its abundance is 994354716

Bases of 8021171442

• Binary: 111011110000110010101110011110010₂
• Hexadecimal: 0x1DE195CF2
• Base-36: 3ONLJHU

Squares and roots of 8021171442

• 8021171442 squared (8021171442²) is 64339191301956359364
• 8021171442 cubed (8021171442³) is 516075683872627148460806082888
• The square root of 8021171442 is 89560.9928596149
• The cube root of 8021171442 is 2001.7627327635

Scales and comparisons

• 8,021,171,442 seconds is equal to 255 years, 2 weeks, 3 days, 15 hours, 10 minutes, 42 seconds.
• To count from 1 to 8,021,171,442 would take you about five hundred ten 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 8021171442 cubic inches would be around 166.8 feet tall.

Recreational maths with 8021171442

• 8021171442 backwards is 2441711208
• The number of decimal digits it has is: 10
• The sum of 8021171442's digits is 30
• More coming soon!