28728589824

Names of 28728589824

• Cardinal: 28728589824 can be written as Twenty-eight billion, seven hundred twenty-eight million, five hundred eighty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.8728589824 × 10¹⁰

Factors of 28728589824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 483

Divisors of 28728589824

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 31 32 33 36 44 47 48 62 64 66 72 88 93 94 96 99 124 128 132 141 144 176 186 188 192 198 248 256 264 279 282 288 341 352 372 376 384 389 396 423 496 512 517 528 558 564 576 682 704 744 752 768 778 792 846 992 1023 1034 1056 1116 1128 1152 1167 1364 1408 1457 1488 1504 1536 1551 1556 1584 1692 1984 2046 2068 2112 2232 2256 2304 2334 2728 2816 2914 2976 3008 3069 3102 3112 3168 3384 3501 3968 4092 4136 4224 4279 4371 4464 4512 4608 4653 4668 5456 5632 5828 5952 6016 6138 6204 6224 6336 6768 7002 7936 8184 8272 8448 8558 8742 8928 9024 9306 9336 10912 11656 11904 12032 12059 12276 12408 12448 12672 12837 13113 13536 14004 15872 16027 16368 16544 16896 17116 17484 17856 18048 18283 18612 18672 21824 23312 23808 24064 24118 24552 24816 24896 25344 25674 26226 27072 28008 32054 32736 33088 34232 34968 35712 36096 36177 36566 37224 37344 38511 43648 46624 47616 48081 48236 49104 49632 49792 50688 51348 52452 54144 54849 56016 64108 65472 66176 68464 69936 71424 72192 72354 73132 74448 74688 77022 87296 93248 96162 96472 98208 99264 99584 102696 104904 108288 108531 109698 112032 128216 130944 132352 132649 136928 139872 142848 144243 144708 146264 148896 149376 154044 164547 174592 186496 192324 192944 196416 198528 199168 201113 205392 209808 216576 217062 219396 224064 256432 261888 264704 265298 273856 279744 288486 289416 292528 297792 298752 308088 329094 372992 384648 385888 392832 397056 397947 402226 410784 419616 434124 438792 448128 512864 523776 530596 547712 559488 566773 576972 578832 585056 595584 597504 603339 616176 658188 745984 769296 771776 785664 794112 795894 804452 821568 839232 868248 877584 896256 1025728 1061192 1095424 1118976 1133546 1153944 1157664 1170112 1191168 1193841 1206678 1232352 1316376 1538592 1543552 1571328 1591788 1608904 1643136 1678464 1700319 1736496 1755168 1792512 1810017 2051456 2122384 2190848 2237952 2267092 2307888 2315328 2340224 2382336 2387682 2413356 2464704 2632752 3077184 3087104 3183576 3217808 3286272 3356928 3400638 3472992 3510336 3620034 4102912 4244768 4534184 4615776 4630656 4680448 4775364 4826712 4929408 5100957 5265504 6154368 6174208 6234503 6367152 6435616 6572544 6713856 6801276 6945984 7020672 7240068 8205824 8489536 9068368 9231552 9261312 9360896 9550728 9653424 9858816 10201914 10531008 12308736 12469006 12734304 12871232 13602552 13891968 14041344 14480136 16979072 18136736 18463104 18522624 18703509 19101456 19306848 19717632 20403828 21062016 24617472 24938012 25468608 25742464 27205104 27783936 28082688 28960272 33958144 36273472 36926208 37407018 38202912 38613696 40807656 42124032 49876024 50937216 51484928 54410208 55567872 56110527 57920544 67916288 72546944 73852416 74814036 76405824 77227392 81615312 84248064 99752048 101874432 102969856 108820416 112221054 115841088 145093888 149628072 152811648 154454784 163230624 199504096 203748864 217640832 224442108 231682176 290187776 299256144 305623296 308909568 326461248 399008192 435281664 448884216 463364352 598512288 611246592 652922496 798016384 870563328 897768432 926728704 1197024576 1305844992 1596032768 1795536864 2394049152 2611689984 3192065536 3591073728 4788098304 7182147456 9576196608 14364294912 28728589824
• Sum of all divisors σ(n): 95599595520
• Sum of proper divisors (its aliquot sum) s(n): 66871005696
• 28728589824 is an abundant number, because the sum of its proper divisors (66871005696) is greater than itself. Its abundance is 38142415872

Bases of 28728589824

• Binary: 11010110000010110110111111000000000₂
• Hexadecimal: 0x6B05B7E00
• Base-36: D749DS0

Squares and roots of 28728589824

• 28728589824 squared (28728589824²) is 825331873275636350976
• 28728589824 cubed (28728589824³) is 23710620856009304019773606068224
• The square root of 28728589824 is 169495.1026549145
• The cube root of 28728589824 is 3062.7021933621

Scales and comparisons

• 28,728,589,824 seconds is equal to 913 years, 24 weeks, 6 days, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 28,728,589,824 would take you about one thousand, eight hundred twenty-six 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 28728589824 cubic inches would be around 255.2 feet tall.

Recreational maths with 28728589824

• 28728589824 backwards is 42898582782
• The number of decimal digits it has is: 11
• The sum of 28728589824's digits is 63
• More coming soon!