28749317828

Names of 28749317828

• Cardinal: 28749317828 can be written as Twenty-eight billion, seven hundred forty-nine million, three hundred seventeen thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8749317828 × 10¹⁰

Factors of 28749317828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 784

Divisors of 28749317828

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 77 98 121 154 193 196 242 308 386 484 539 571 772 847 1078 1142 1331 1351 1694 2123 2156 2284 2662 2702 3388 3997 4246 5324 5404 5929 6281 7994 8492 9317 9457 11858 12562 14861 15988 18634 18914 23353 23716 25124 27979 29722 37268 37828 43967 46706 55958 59444 65219 69091 87934 93412 104027 110203 111916 130438 138182 163471 175868 208054 220406 256883 260876 276364 307769 326942 416108 440812 483637 513766 615538 653884 760001 771421 967274 1027532 1144297 1212233 1231076 1520002 1542842 1798181 1934548 2288594 2424466 3040004 3085684 3385459 3596362 4577188 4848932 5320007 5399947 6770918 7192724 8485631 10640014 10799894 12587267 13334563 13541836 16971262 21280028 21599788 25174534 26669126 33942524 37240049 50349068 53338252 59399417 74480098 93341941 118798834 146680193 148960196 186683882 237597668 293360386 373367764 586720772 653393587 1026761351 1306787174 2053522702 2613574348 4107045404 7187329457 14374658914 28749317828
• Sum of all divisors σ(n): 64820403648
• Sum of proper divisors (its aliquot sum) s(n): 36071085820
• 28749317828 is an abundant number, because the sum of its proper divisors (36071085820) is greater than itself. Its abundance is 7321767992

Bases of 28749317828

• Binary: 11010110001100101111100011011000100₂
• Hexadecimal: 0x6B197C6C4
• Base-36: D7GLNLW

Squares and roots of 28749317828

• 28749317828 squared (28749317828²) is 826523275575358637584
• 28749317828 cubed (28749317828³) is 23761980341755615036987482047552
• The square root of 28749317828 is 169556.2379507165
• The cube root of 28749317828 is 3063.4386077579

Scales and comparisons

• 28,749,317,828 seconds is equal to 914 years, 7 weeks, 1 day, 17 hours, 37 minutes, 8 seconds.
• To count from 1 to 28,749,317,828 would take you about one thousand, eight hundred twenty-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 28749317828 cubic inches would be around 255.3 feet tall.

Recreational maths with 28749317828

• 28749317828 backwards is 82871394782
• The number of decimal digits it has is: 11
• The sum of 28749317828's digits is 59
• More coming soon!