28736682920

Names of 28736682920

• Cardinal: 28736682920 can be written as Twenty-eight billion, seven hundred thirty-six million, six hundred eighty-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.873668292 × 10¹⁰

Factors of 28736682920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 826814

Divisors of 28736682920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 55 79 88 110 158 220 316 395 440 632 790 869 1580 1738 3160 3476 4345 6952 8690 17380 34760 826717 1653434 3306868 4133585 6613736 8267170 9093887 16534340 18187774 33068680 36375548 45469435 65310643 72751096 90938870 130621286 181877740 261242572 326553215 363755480 522485144 653106430 718417073 1306212860 1436834146 2612425720 2873668292 3592085365 5747336584 7184170730 14368341460 28736682920
• Sum of all divisors σ(n): 71428435200
• Sum of proper divisors (its aliquot sum) s(n): 42691752280
• 28736682920 is an abundant number, because the sum of its proper divisors (42691752280) is greater than itself. Its abundance is 13955069360

Bases of 28736682920

• Binary: 11010110000110101101111101110101000₂
• Hexadecimal: 0x6B0D6FBA8
• Base-36: D792UG8

Squares and roots of 28736682920

• 28736682920 squared (28736682920²) is 825796945244619726400
• 28736682920 cubed (28736682920³) is 23730664971799238913533953088000
• The square root of 28736682920 is 169518.9751030839
• The cube root of 28736682920 is 3062.9897630599

Scales and comparisons

• 28,736,682,920 seconds is equal to 913 years, 38 weeks, 2 days, 11 hours, 55 minutes, 20 seconds.
• To count from 1 to 28,736,682,920 would take you about one thousand, eight hundred twenty-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 28736682920 cubic inches would be around 255.2 feet tall.

Recreational maths with 28736682920

• 28736682920 backwards is 02928663782
• The number of decimal digits it has is: 11
• The sum of 28736682920's digits is 53
• More coming soon!