20409699690

Names of 20409699690

• Cardinal: 20409699690 can be written as Twenty billion, four hundred nine million, six hundred ninety-nine thousand, six hundred ninety.

Scientific notation

• Scientific notation: 2.040969969 × 10¹⁰

Factors of 20409699690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20241

Divisors of 20409699690

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 683 765 1366 1530 2049 3415 4098 6147 6830 10245 11611 12294 19531 20490 23222 30735 34833 39062 58055 58593 61470 69666 97655 104499 116110 117186 174165 175779 195310 208998 292965 332027 348330 351558 522495 585930 664054 878895 996081 1044990 1660135 1757790 1992162 2988243 3320270 4980405 5976486 9960810 13339673 14941215 26679346 29882430 40019019 66698365 80038038 120057057 133396730 200095095 226774441 240114114 400190190 453548882 600285285 680323323 1133872205 1200570570 1360646646 2040969969 2267744410 3401616615 4081939938 6803233230 10204849845 20409699690
• Sum of all divisors σ(n): 56271848256
• Sum of proper divisors (its aliquot sum) s(n): 35862148566
• 20409699690 is an abundant number, because the sum of its proper divisors (35862148566) is greater than itself. Its abundance is 15452448876

Bases of 20409699690

• Binary: 10011000000100000110100110101101010₂
• Hexadecimal: 0x4C0834D6A
• Base-36: 9DJEP2I

Squares and roots of 20409699690

• 20409699690 squared (20409699690²) is 416555841435986096100
• 20409699690 cubed (20409699690³) is 8501779627823734580416480209000
• The square root of 20409699690 is 142862.5202423645
• The cube root of 20409699690 is 2732.8274092209

Scales and comparisons

• 20,409,699,690 seconds is equal to 648 years, 50 weeks, 1 day, 9 hours, 1 minute, 30 seconds.
• To count from 1 to 20,409,699,690 would take you about one thousand, two hundred ninety-seven 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 20409699690 cubic inches would be around 227.7 feet tall.

Recreational maths with 20409699690

• 20409699690 backwards is 09699690402
• The number of decimal digits it has is: 11
• The sum of 20409699690's digits is 54
• More coming soon!