27864396990

Names of 27864396990

• Cardinal: 27864396990 can be written as Twenty-seven billion, eight hundred sixty-four million, three hundred ninety-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.786439699 × 10¹⁰

Factors of 27864396990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40279

Divisors of 27864396990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 409 570 818 855 1227 1710 2045 2454 3681 4090 6135 7362 7771 12270 15542 18405 23313 36810 38855 39841 46626 69939 77710 79682 116565 119523 139878 199205 233130 239046 349695 358569 398410 597615 699390 717138 756979 1195230 1513958 1792845 2270937 3585690 3784895 4541874 6812811 7569790 11354685 13625622 16294969 22709370 32589938 34064055 48884907 68128110 81474845 97769814 146654721 162949690 244424535 293309442 309604411 488849070 619208822 733273605 928813233 1466547210 1548022055 1857626466 2786439699 3096044110 4644066165 5572879398 9288132330 13932198495 27864396990
• Sum of all divisors σ(n): 76448829600
• Sum of proper divisors (its aliquot sum) s(n): 48584432610
• 27864396990 is an abundant number, because the sum of its proper divisors (48584432610) is greater than itself. Its abundance is 20720035620

Bases of 27864396990

• Binary: 11001111100110110001111010010111110₂
• Hexadecimal: 0x67CD8F4BE
• Base-36: CSTQQBI

Squares and roots of 27864396990

• 27864396990 squared (27864396990²) is 776424619616321060100
• 27864396990 cubed (27864396990³) is 21634603833798911501924049099000
• The square root of 27864396990 is 166926.3220405937
• The cube root of 27864396990 is 3031.6790060523

Scales and comparisons

• 27,864,396,990 seconds is equal to 886 years, 14 hours, 16 minutes, 30 seconds.
• To count from 1 to 27,864,396,990 would take you about one thousand, seven hundred seventy-two 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 27864396990 cubic inches would be around 252.6 feet tall.

Recreational maths with 27864396990

• 27864396990 backwards is 09969346872
• The number of decimal digits it has is: 11
• The sum of 27864396990's digits is 63
• More coming soon!