28364638720

Names of 28364638720

• Cardinal: 28364638720 can be written as Twenty-eight billion, three hundred sixty-four million, six hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.836463872 × 10¹⁰

Factors of 28364638720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 535

Divisors of 28364638720

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 64 68 80 85 88 110 128 136 160 170 176 187 193 220 256 272 307 320 340 352 374 386 440 512 544 614 640 680 704 748 772 880 935 965 1088 1228 1280 1360 1408 1496 1535 1544 1760 1870 1930 2123 2176 2456 2560 2720 2816 2992 3070 3088 3281 3377 3520 3740 3860 4246 4352 4912 5219 5440 5632 5984 6140 6176 6562 6754 7040 7480 7720 8492 8704 9824 10438 10615 10880 11968 12280 12352 13124 13508 14080 14960 15440 16405 16885 16984 19648 20876 21230 21760 23936 24560 24704 26095 26248 27016 28160 29920 30880 32810 33770 33968 36091 39296 41752 42460 43520 47872 49120 49408 52190 52496 54032 57409 59251 59840 61760 65620 67540 67936 72182 78592 83504 84920 95744 98240 98816 104380 104992 108064 114818 118502 119680 123520 131240 135080 135872 144364 157184 167008 169840 180455 196480 208760 209984 216128 229636 237004 239360 247040 262480 270160 271744 287045 288728 296255 334016 339680 360910 392960 417520 419968 432256 459272 474008 478720 494080 524960 540320 543488 574090 577456 592510 651761 668032 679360 721820 785920 835040 839936 864512 918544 948016 1007267 1049920 1080640 1086976 1148180 1154912 1185020 1303522 1336064 1358720 1443640 1670080 1679872 1729024 1837088 1896032 2014534 2099840 2161280 2296360 2309824 2370040 2607044 2672128 2717440 2887280 3258805 3340160 3674176 3792064 4029068 4199680 4322560 4592720 4619648 4740080 5036335 5214088 5434880 5774560 6517610 6680320 7348352 7584128 8058136 8399360 8645120 9185440 9239296 9480160 10072670 10428176 11079937 11549120 13035220 13360640 14696704 15168256 16116272 18370880 18478592 18960320 20145340 20856352 22159874 23098240 26070440 29393408 30336512 32232544 36741760 37920640 40290680 41712704 44319748 46196480 52140880 55399685 64465088 73483520 75841280 80581360 83425408 88639496 92392960 104281760 110799370 128930176 146967040 151682560 161162720 166850816 177278992 208563520 221598740 257860352 322325440 333701632 354557984 417127040 443197480 515720704 644650880 709115968 834254080 886394960 1289301760 1418231936 1668508160 1772789920 2578603520 2836463872 3545579840 5672927744 7091159680 14182319360 28364638720
• Sum of all divisors σ(n): 79219679616
• Sum of proper divisors (its aliquot sum) s(n): 50855040896
• 28364638720 is an abundant number, because the sum of its proper divisors (50855040896) is greater than itself. Its abundance is 22490402176

Bases of 28364638720

• Binary: 11010011010101010100000101000000000₂
• Hexadecimal: 0x69AAA0A00
• Base-36: D13KNB4

Squares and roots of 28364638720

• 28364638720 squared (28364638720²) is 804552729716123238400
• 28364638720 cubed (28364638720³) is 22820847509587643816212430848000
• The square root of 28364638720 is 168418.0474889791
• The cube root of 28364638720 is 3049.7138034779

Scales and comparisons

• 28,364,638,720 seconds is equal to 901 years, 47 weeks, 1 day, 10 hours, 18 minutes, 40 seconds.
• To count from 1 to 28,364,638,720 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 28364638720 cubic inches would be around 254.1 feet tall.

Recreational maths with 28364638720

• 28364638720 backwards is 02783646382
• The number of decimal digits it has is: 11
• The sum of 28364638720's digits is 49
• More coming soon!