28221313890

Names of 28221313890

• Cardinal: 28221313890 can be written as Twenty-eight billion, two hundred twenty-one million, three hundred thirteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.822131389 × 10¹⁰

Factors of 28221313890

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 318

Divisors of 28221313890

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 19 21 22 30 33 35 38 42 55 57 61 66 70 77 83 95 105 110 114 122 127 133 154 165 166 183 190 209 210 231 249 254 266 285 305 330 366 381 385 399 415 418 427 462 498 570 581 610 627 635 665 671 762 770 798 830 854 889 913 915 1045 1155 1159 1162 1245 1254 1270 1281 1330 1342 1397 1463 1577 1743 1778 1826 1830 1905 1995 2013 2090 2135 2310 2318 2413 2490 2562 2667 2739 2794 2905 2926 3135 3154 3355 3477 3486 3810 3990 4026 4191 4270 4389 4445 4565 4697 4731 4826 5063 5334 5478 5795 5810 6270 6391 6405 6710 6954 6985 7239 7315 7747 7885 8113 8382 8715 8778 8890 9130 9394 9462 9779 10065 10126 10541 11039 11590 12065 12749 12782 12810 13335 13695 13970 14091 14478 14630 15189 15494 15770 16226 16891 17347 17385 17430 19173 19558 20130 20955 21082 21945 22078 23241 23485 23655 24130 24339 25315 25498 26543 26670 27390 28182 29337 30378 31623 31955 33117 33782 34694 34770 35441 36195 38247 38346 38735 40565 41910 43890 46482 46970 47310 48678 48895 50630 50673 52041 52705 53086 54229 55195 55693 58674 63246 63745 63910 66234 70455 70882 72390 73787 75945 76494 77470 79629 81130 84455 85217 86735 89243 95865 96197 97790 101346 104082 105410 106323 108458 110390 111386 115951 116205 121429 121695 127490 132715 140910 146685 147193 147574 151890 158115 159258 162687 165585 167079 168910 170434 173470 177205 178486 185801 191235 191730 192394 200279 212646 221361 231902 232410 242858 243390 253365 255651 260205 265430 267729 271145 278465 288591 293370 294386 316230 325374 331170 334158 347853 354410 364287 368935 371602 382470 389851 398145 400558 426085 441579 442722 446215 480985 506730 511302 520410 531615 535458 542290 556930 557403 577182 579755 596519 600837 607145 643001 673379 695706 728574 735965 737870 779702 796290 811657 813435 835395 852170 883158 892430 929005 961970 1001395 1030351 1058167 1063230 1106805 1114806 1159510 1169553 1193038 1201674 1214290 1278255 1286002 1338645 1346758 1401953 1442955 1471930 1619123 1623314 1626870 1670790 1739265 1789557 1821435 1858010 1929003 1949255 2002790 2020137 2060702 2116334 2203069 2207895 2213610 2339106 2434971 2556510 2677290 2787015 2803906 2885910 2982595 3004185 3091053 3174501 3215005 3238246 3366895 3478530 3579114 3642870 3858006 3898510 4040274 4058285 4205859 4406138 4415790 4501007 4857369 4869942 5151755 5290835 5574030 5847765 5965190 6008370 6182106 6349002 6430010 6609207 6733790 7009765 7073011 7407169 8095615 8116570 8411718 8947785 9002014 9645015 9714738 10100685 10303510 10581670 11015345 11333861 11695530 12174855 12217019 13218414 13503021 14019530 14146022 14814338 15421483 15455265 15872505 16191230 17895570 19290030 20201370 21029295 21219033 22030690 22221507 22505035 22667722 24286845 24349710 24434038 27006042 30842966 30910530 31745010 33046035 34001583 35365055 36651057 37035845 42058590 42438066 44443014 45010070 46264449 48573690 49511077 56669305 61085095 66092070 67515105 68003166 70730110 73302114 74071690 77107415 85519133 92528898 99022154 106095165 111107535 113338610 122170190 134387209 135030210 148533231 154214830 170007915 171038266 183255285 212190330 222215070 231322245 247555385 256557399 268774418 297066462 340015830 366510570 403161627 427595665 462644490 495110770 513114798 671936045 742666155 806323254 855191330 940710463 1282786995 1343872090 1485332310 1881420926 2015808135 2565573990 2822131389 4031616270 4703552315 5644262778 9407104630 14110656945 28221313890
• Sum of all divisors σ(n): 92154101760
• Sum of proper divisors (its aliquot sum) s(n): 63932787870
• 28221313890 is an abundant number, because the sum of its proper divisors (63932787870) is greater than itself. Its abundance is 35711473980

Bases of 28221313890

• Binary: 11010010010000111110001001101100010₂
• Hexadecimal: 0x6921F1362
• Base-36: CYQ8P5U

Squares and roots of 28221313890

• 28221313890 squared (28221313890²) is 796442557677906932100
• 28221313890 cubed (28221313890³) is 22476655415582641049001016869000
• The square root of 28221313890 is 167992.0054347825
• The cube root of 28221313890 is 3044.5684532719

Scales and comparisons

• 28,221,313,890 seconds is equal to 897 years, 18 weeks, 1 day, 13 hours, 51 minutes, 30 seconds.
• To count from 1 to 28,221,313,890 would take you about one thousand, seven hundred ninety-four 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 28221313890 cubic inches would be around 253.7 feet tall.

Recreational maths with 28221313890

• 28221313890 backwards is 09831312282
• The number of decimal digits it has is: 11
• The sum of 28221313890's digits is 39
• More coming soon!