28472743845

Names of 28472743845

• Cardinal: 28472743845 can be written as Twenty-eight billion, four hundred seventy-two million, seven hundred forty-three thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 2.8472743845 × 10¹⁰

Factors of 28472743845

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 536

Divisors of 28472743845

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 13 15 17 21 35 39 45 49 51 63 65 85 91 105 117 119 147 153 195 221 245 255 273 289 315 343 357 441 455 491 585 595 637 663 735 765 819 833 867 1029 1071 1105 1365 1445 1473 1547 1715 1785 1911 1989 2023 2205 2455 2499 2601 3087 3185 3315 3437 3757 4095 4165 4335 4419 4459 4641 5145 5355 5733 5831 6069 6383 7365 7497 7735 8347 9555 9945 10115 10311 10829 11271 12495 13005 13377 13923 14161 15435 17185 17493 18207 18785 19149 22095 22295 23205 24059 25041 26299 28665 29155 30345 30933 31915 32487 33813 37485 40131 41735 42483 44681 51555 52479 54145 56355 57447 58429 66885 69615 70805 72177 75123 75803 78897 87465 91035 95745 97461 99127 108511 120295 125205 127449 131495 134043 141899 154665 162435 168413 169065 175287 184093 200655 212415 216531 223405 227409 236691 262395 287235 292145 297381 312767 325533 360885 375615 379015 394485 402129 409003 425697 487305 495635 505239 525861 542555 552279 637245 670215 682227 709495 759577 842065 876435 892143 920465 938301 976599 993293 1082655 1137045 1183455 1227009 1277091 1288651 1486905 1515717 1563835 1627665 1656837 1844687 2010645 2045015 2128485 2189369 2278731 2526195 2629305 2761395 2814903 2863021 2979879 3411135 3681027 3797885 3865953 4460715 4691505 4882995 4966465 5317039 5534061 6135045 6385455 6443255 6568107 6836193 6953051 7578585 8284185 8589063 8939637 9223435 10946845 11393655 11597859 12912809 14074515 14315105 14899395 15951117 16602183 18405135 19329765 19704321 20859153 25767189 26585195 27670305 32840535 34180965 34765255 37219273 38738427 42945315 44698185 47853351 48671357 57989295 62577459 64564045 79755585 83010915 90389663 98521605 104295765 111657819 116215281 128835945 146014071 186096365 193692135 239266755 243356785 271168989 312887295 334973457 438042213 451948315 558289095 581076405 632727641 730070355 813506967 1355844945 1674867285 1898182923 2190211065 3163638205 4067534835 5694548769 9490914615 28472743845
• Sum of all divisors σ(n): 65976019200
• Sum of proper divisors (its aliquot sum) s(n): 37503275355
• 28472743845 is an abundant number, because the sum of its proper divisors (37503275355) is greater than itself. Its abundance is 9030531510

Bases of 28472743845

• Binary: 11010100001000110111001011110100101₂
• Hexadecimal: 0x6A11B97A5
• Base-36: D2VXPR9

Squares and roots of 28472743845

• 28472743845 squared (28472743845²) is 810697142062985384025
• 28472743845 cubed (28472743845³) is 23082772061832957695322780076125
• The square root of 28472743845 is 168738.6850873267
• The cube root of 28472743845 is 3053.5833131513

Scales and comparisons

• 28,472,743,845 seconds is equal to 905 years, 17 weeks, 6 days, 15 hours, 30 minutes, 45 seconds.
• To count from 1 to 28,472,743,845 would take you about one thousand, eight hundred ten 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 28472743845 cubic inches would be around 254.5 feet tall.

Recreational maths with 28472743845

• 28472743845 backwards is 54834727482
• The number of decimal digits it has is: 11
• The sum of 28472743845's digits is 54
• More coming soon!