20961320790

Names of 20961320790

• Cardinal: 20961320790 can be written as Twenty billion, nine hundred sixty-one million, three hundred twenty thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.096132079 × 10¹⁰

Factors of 20961320790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17206

Divisors of 20961320790

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 17 19 30 34 38 51 57 85 95 102 114 127 170 190 254 255 285 323 381 510 570 635 646 762 969 1270 1615 1905 1938 2159 2413 3230 3810 4318 4826 4845 6477 7239 9690 10795 12065 12954 14478 17033 21590 24130 32385 34066 36195 41021 51099 64770 72390 82042 85165 102198 123063 170330 205105 246126 255495 289561 323627 410210 510990 579122 615315 647254 868683 970881 1230630 1447805 1618135 1737366 1941762 2163191 2895610 3236270 4326382 4343415 4854405 5501659 6489573 8686830 9708810 10815955 11003318 12979146 16504977 21631910 27508295 32447865 33009954 36774247 41100629 55016590 64895730 73548494 82201258 82524885 110322741 123301887 165049770 183871235 205503145 220645482 246603774 367742470 411006290 551613705 616509435 698710693 1103227410 1233018870 1397421386 2096132079 3493553465 4192264158 6987106930 10480660395 20961320790
• Sum of all divisors σ(n): 56514723840
• Sum of proper divisors (its aliquot sum) s(n): 35553403050
• 20961320790 is an abundant number, because the sum of its proper divisors (35553403050) is greater than itself. Its abundance is 14592082260

Bases of 20961320790

• Binary: 10011100001011001000101111101010110₂
• Hexadecimal: 0x4E1645F56
• Base-36: 9MNTUMU

Squares and roots of 20961320790

• 20961320790 squared (20961320790²) is 439376969261286224100
• 20961320790 cubed (20961320790³) is 9209921600423789871367929039000
• The square root of 20961320790 is 144780.2499997841
• The cube root of 20961320790 is 2757.2292780989

Scales and comparisons

• 20,961,320,790 seconds is equal to 666 years, 26 weeks, 1 day, 21 hours, 6 minutes, 30 seconds.
• To count from 1 to 20,961,320,790 would take you about one thousand, three hundred thirty-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 20961320790 cubic inches would be around 229.8 feet tall.

Recreational maths with 20961320790

• 20961320790 backwards is 09702316902
• The number of decimal digits it has is: 11
• The sum of 20961320790's digits is 39
• More coming soon!