28367284473704720

Names of 28367284473704720

• Cardinal: 28367284473704720 can be written as Twenty-eight quadrillion, three hundred sixty-seven trillion, two hundred eighty-four billion, four hundred seventy-three million, seven hundred four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.836728447370472 × 10¹⁶

Factors of 28367284473704720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 41035890597

Divisors of 28367284473704720

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 8641 17282 34564 43205 69128 86410 138256 172820 345640 691280 41035881949 82071763898 164143527796 205179409745 328287055592 410358819490 656574111184 820717638980 1641435277960 3282870555920 354591055921309 709182111842618 1418364223685236 1772955279606545 2836728447370472 3545910559213090 5673456894740944 7091821118426180 14183642236852360 28367284473704720
• Sum of all divisors σ(n): 65961569077013400
• Sum of proper divisors (its aliquot sum) s(n): 37594284603308680
• 28367284473704720 is an abundant number, because the sum of its proper divisors (37594284603308680) is greater than itself. Its abundance is 9227000129603960

Bases of 28367284473704720

• Binary: 1100100110001111110010100011010010011000011000100010000₂
• Hexadecimal: 0x64C7E51A4C3110
• Base-36: 7RBD2KY29ZK

Squares and roots of 28367284473704720

• 28367284473704720 squared (28367284473704720²) is 804702828412088873157121750278400
• 28367284473704720 cubed (28367284473704720³) is 22827234050360522114244653586734326587139394048000
• The square root of 28367284473704720 is 168425902.0272853399
• The cube root of 28367284473704720 is 304980.8622721151

Scales and comparisons

• 28,367,284,473,704,720 seconds is equal to 901,991,900 years, 25 weeks, 3 days, 23 hours, 45 minutes, 20 seconds.
• To count from 1 to 28,367,284,473,704,720 would take you about two billion, seven hundred five million, nine hundred seventy-five thousand, seven hundred one 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 28367284473704720 cubic inches would be around 25415.1 feet tall.

Recreational maths with 28367284473704720

• 28367284473704720 backwards is 02740737448276382
• The number of decimal digits it has is: 17
• The sum of 28367284473704720's digits is 74
• More coming soon!