28364742090

Names of 28364742090

• Cardinal: 28364742090 can be written as Twenty-eight billion, three hundred sixty-four million, seven hundred forty-two thousand and ninety.

Scientific notation

• Scientific notation: 2.836474209 × 10¹⁰

Factors of 28364742090

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 187860

Divisors of 28364742090

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 1693 3386 5079 8465 10158 15237 16930 25395 30474 50790 76185 152370 186157 372314 558471 930785 1116942 1675413 1861570 2792355 3350826 5584710 8377065 16754130 315163801 630327602 945491403 1575819005 1890982806 2836474209 3151638010 4727457015 5672948418 9454914030 14182371045 28364742090
• Sum of all divisors σ(n): 73792286568
• Sum of proper divisors (its aliquot sum) s(n): 45427544478
• 28364742090 is an abundant number, because the sum of its proper divisors (45427544478) is greater than itself. Its abundance is 17062802388

Bases of 28364742090

• Binary: 11010011010101010111001110111001010₂
• Hexadecimal: 0x69AAB9DCA
• Base-36: D13MV2I

Squares and roots of 28364742090

• 28364742090 squared (28364742090²) is 804558593832217568100
• 28364742090 cubed (28364742090³) is 22821097010343916051923511329000
• The square root of 28364742090 is 168418.3543738627
• The cube root of 28364742090 is 3049.7175081909

Scales and comparisons

• 28,364,742,090 seconds is equal to 901 years, 47 weeks, 2 days, 15 hours, 1 minute, 30 seconds.
• To count from 1 to 28,364,742,090 would take you about one thousand, eight hundred 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 28364742090 cubic inches would be around 254.1 feet tall.

Recreational maths with 28364742090

• 28364742090 backwards is 09024746382
• 28364742090 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28364742090's digits is 45
• More coming soon!