20705340820

Names of 20705340820

• Cardinal: 20705340820 can be written as Twenty billion, seven hundred five million, three hundred forty thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.070534082 × 10¹⁰

Factors of 20705340820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 116

Divisors of 20705340820

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 10 19 20 31 38 59 62 76 95 118 124 155 190 236 295 310 380 589 590 620 961 1121 1178 1180 1829 1922 2242 2356 2945 3658 3844 4484 4805 5605 5890 7316 9145 9610 11210 11780 18259 18290 19220 22420 29791 34751 36518 36580 56699 59582 69502 73036 91295 113398 119164 139004 148955 173755 182590 226796 283495 297910 347510 365180 566029 566990 595820 695020 923521 1077281 1132058 1133980 1757669 1847042 2154562 2264116 2830145 3515338 3694084 4309124 4617605 5386405 5660290 7030676 8788345 9235210 10772810 11320580 17546899 17576690 18470420 21545620 33395711 35093798 35153380 54487739 66791422 70187596 87734495 108975478 133582844 166978555 175468990 217950956 272438695 333957110 350937980 544877390 667914220 1035267041 1089754780 2070534082 4141068164 5176335205 10352670410 20705340820
• Sum of all divisors σ(n): 48096972000
• Sum of proper divisors (its aliquot sum) s(n): 27391631180
• 20705340820 is an abundant number, because the sum of its proper divisors (27391631180) is greater than itself. Its abundance is 6686290360

Bases of 20705340820

• Binary: 10011010010001000100110110110010100₂
• Hexadecimal: 0x4D2226D94
• Base-36: 9IFFB84

Squares and roots of 20705340820

• 20705340820 squared (20705340820²) is 428711138472358272400
• 20705340820 cubed (20705340820³) is 8876610235400392179188399368000
• The square root of 20705340820 is 143893.5051348739
• The cube root of 20705340820 is 2745.9595019089

Scales and comparisons

• 20,705,340,820 seconds is equal to 658 years, 19 weeks, 3 hours, 33 minutes, 40 seconds.
• To count from 1 to 20,705,340,820 would take you about one thousand, three hundred sixteen 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 20705340820 cubic inches would be around 228.8 feet tall.

Recreational maths with 20705340820

• 20705340820 backwards is 02804350702
• 20705340820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20705340820's digits is 31
• More coming soon!