28364978628

Names of 28364978628

• Cardinal: 28364978628 can be written as Twenty-eight billion, three hundred sixty-four million, nine hundred seventy-eight thousand, six hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8364978628 × 10¹⁰

Factors of 28364978628

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 121

Divisors of 28364978628

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 37 38 42 53 54 57 63 74 76 84 106 108 111 114 126 133 148 159 171 189 212 222 228 252 259 266 318 333 342 361 371 378 399 444 477 513 518 532 636 666 684 703 722 742 756 777 798 954 999 1007 1026 1036 1083 1113 1197 1332 1406 1431 1444 1484 1554 1596 1908 1961 1998 2014 2052 2109 2166 2226 2331 2394 2527 2809 2812 2862 3021 3108 3249 3339 3591 3922 3996 4028 4218 4332 4452 4662 4788 4921 5054 5618 5724 5883 6042 6327 6498 6678 6993 7049 7182 7581 7844 8427 8436 9063 9324 9747 9842 10017 10108 11236 11766 12084 12654 12996 13356 13357 13727 13986 14098 14364 14763 15162 16854 17649 18126 18981 19133 19494 19663 19684 20034 21147 22743 23532 25281 25308 26714 27189 27454 27972 28196 29526 30324 33708 35298 36252 37259 37962 38266 38988 39326 40068 40071 41181 42294 44289 45486 50562 52947 53371 53428 54378 54908 57399 58989 59052 63441 68229 70596 74518 75843 75924 76532 78652 80142 82362 84588 88578 90972 93499 101124 103933 105894 106742 108756 111777 114798 117978 120213 123543 126882 132867 133931 136458 149036 151686 160113 160284 164724 172197 176967 177156 186998 190323 207866 211788 213484 223554 229596 235956 240426 247086 253764 260813 265734 267862 272916 280497 303372 311799 320226 335331 344394 353934 360639 370629 373597 373996 380646 401793 415732 447108 480339 480852 494172 516591 521626 530901 531468 535724 560994 623598 640452 670662 688788 707868 707921 721278 727531 741258 747194 761292 782439 803586 841491 935397 960678 1005993 1014049 1033182 1043252 1061802 1120791 1121988 1205379 1247196 1341324 1415842 1441017 1442556 1455062 1482516 1494388 1564878 1607172 1682982 1870794 1921356 1974727 2011986 2028098 2066364 2123604 2123763 2182593 2241582 2347317 2410758 2524473 2806191 2831684 2882034 2910124 3042147 3129756 3362373 3365964 3616137 3741588 3949454 4023972 4056196 4247526 4365186 4483164 4694634 4821516 4955447 5048946 5612382 5764068 5924181 6084294 6371289 6547779 6724746 7041951 7098343 7232274 7898908 8495052 8730372 9126441 9389268 9910894 10087119 10097892 11224764 11848362 12168588 12742578 13095558 13449492 13823089 14083902 14196686 14464548 14866341 17772543 18252882 19113867 19643337 19821788 20174238 21295029 23696724 25485156 26191116 27379323 27646178 28167804 28393372 29732682 35545086 36505764 37519813 38227734 39286674 40348476 41469267 42590058 44599023 53317629 54758646 55292356 59465364 63885087 71090172 75039626 76455468 78573348 82938534 85180116 89198046 106635258 109517292 112559439 124407801 127770174 133797069 150079252 165877068 178396092 191655261 213270516 225118878 248815602 255540348 262638691 267594138 337678317 373223403 383310522 450237756 497631204 525277382 535188276 675356634 746446806 766621044 787916073 1013034951 1050554764 1350713268 1492893612 1575832146 2026069902 2363748219 3151664292 4052139804 4727496438 7091244657 9454992876 14182489314 28364978628
• Sum of all divisors σ(n): 92849151360
• Sum of proper divisors (its aliquot sum) s(n): 64484172732
• 28364978628 is an abundant number, because the sum of its proper divisors (64484172732) is greater than itself. Its abundance is 36119194104

Bases of 28364978628

• Binary: 11010011010101011110011100111000100₂
• Hexadecimal: 0x69AAF39C4
• Base-36: D13RXL0

Squares and roots of 28364978628

• 28364978628 squared (28364978628²) is 804572012566896762384
• 28364978628 cubed (28364978628³) is 22821667941146974085304554329152
• The square root of 28364978628 is 168419.0566058367
• The cube root of 28364978628 is 3049.7259855237

Scales and comparisons

• 28,364,978,628 seconds is equal to 901 years, 47 weeks, 5 days, 8 hours, 43 minutes, 48 seconds.
• To count from 1 to 28,364,978,628 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 28364978628 cubic inches would be around 254.1 feet tall.

Recreational maths with 28364978628

• 28364978628 backwards is 82687946382
• 28364978628 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28364978628's digits is 63
• More coming soon!