28440813879

Names of 28440813879

• Cardinal: 28440813879 can be written as Twenty-eight billion, four hundred forty million, eight hundred thirteen thousand, eight hundred seventy-nine.

Scientific notation

• Scientific notation: 2.8440813879 × 10¹⁰

Factors of 28440813879

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2185

Divisors of 28440813879

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 19 27 31 57 81 93 171 279 331 513 589 837 993 1539 1767 1801 2511 2979 5301 5403 6289 8937 10261 15903 16209 18867 26811 30783 34219 47709 48627 55831 56601 92349 102657 145881 167493 169803 194959 277047 307971 502479 509409 584877 596131 831141 923913 1060789 1507437 1754631 1788393 2771739 3182367 4522311 5263893 5365179 9547101 11326489 15791679 16095537 18480061 28641303 33979467 48286611 55440183 85923909 101938401 166320549 305815203 351121159 498961647 917445609 1053363477 1496884941 3160090431 9480271293 28440813879
• Sum of all divisors σ(n): 46329564160
• Sum of proper divisors (its aliquot sum) s(n): 17888750281
• 28440813879 is a deficient number, because the sum of its proper divisors (17888750281) is less than itself. Its deficiency is 10552063598

Bases of 28440813879

• Binary: 11010011111001101000110000100110111₂
• Hexadecimal: 0x69F346137
• Base-36: D2CXCFR

Squares and roots of 28440813879

• 28440813879 squared (28440813879²) is 808879894099919026641
• 28440813879 cubed (28440813879³) is 23005202518561027265667523550439
• The square root of 28440813879 is 168644.0448963439
• The cube root of 28440813879 is 3052.4414342005

Scales and comparisons

• 28,440,813,879 seconds is equal to 904 years, 17 weeks, 1 day, 2 hours, 4 minutes, 39 seconds.
• To count from 1 to 28,440,813,879 would take you about one thousand, eight hundred eight 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 28440813879 cubic inches would be around 254.4 feet tall.

Recreational maths with 28440813879

• 28440813879 backwards is 97831804482
• The number of decimal digits it has is: 11
• The sum of 28440813879's digits is 54
• More coming soon!