20342990840

Names of 20342990840

• Cardinal: 20342990840 can be written as Twenty billion, three hundred forty-two million, nine hundred ninety thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.034299084 × 10¹⁰

Factors of 20342990840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10988

Divisors of 20342990840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 5113 5851 10226 11702 20452 23404 25565 29255 40904 46808 51130 58510 86921 99467 102260 117020 173842 198934 204520 234040 347684 397868 434605 497335 695368 795736 869210 994670 1738420 1989340 3476840 3978680 29916163 59832326 119664652 149580815 239329304 299161630 508574771 598323260 1017149542 1196646520 2034299084 2542873855 4068598168 5085747710 10171495420 20342990840
• Sum of all divisors σ(n): 48481947360
• Sum of proper divisors (its aliquot sum) s(n): 28138956520
• 20342990840 is an abundant number, because the sum of its proper divisors (28138956520) is greater than itself. Its abundance is 7795965680

Bases of 20342990840

• Binary: 10010111100100010010110011111111000₂
• Hexadecimal: 0x4BC8967F8
• Base-36: 9CFOW6W

Squares and roots of 20342990840

• 20342990840 squared (20342990840²) is 413837276316323905600
• 20342990840 cubed (20342990840³) is 8418687921353526154093824704000
• The square root of 20342990840 is 142628.8569680065
• The cube root of 20342990840 is 2729.8467552975

Scales and comparisons

• 20,342,990,840 seconds is equal to 646 years, 43 weeks, 6 days, 6 hours, 47 minutes, 20 seconds.
• To count from 1 to 20,342,990,840 would take you about one thousand, two hundred ninety-three 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 20342990840 cubic inches would be around 227.5 feet tall.

Recreational maths with 20342990840

• 20342990840 backwards is 04809924302
• The number of decimal digits it has is: 11
• The sum of 20342990840's digits is 41
• More coming soon!