28422768990

Names of 28422768990

• Cardinal: 28422768990 can be written as Twenty-eight billion, four hundred twenty-two million, seven hundred sixty-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.842276899 × 10¹⁰

Factors of 28422768990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1421

Divisors of 28422768990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 19 21 22 30 33 35 38 42 49 55 57 66 70 71 77 95 98 105 110 114 133 142 147 154 165 190 209 210 213 231 245 266 285 294 330 355 385 399 418 426 462 490 497 539 570 627 665 710 735 770 781 798 931 994 1045 1065 1078 1155 1254 1303 1330 1349 1463 1470 1491 1562 1617 1862 1995 2090 2130 2310 2343 2485 2606 2695 2698 2793 2926 2982 3135 3234 3479 3905 3909 3990 4047 4389 4655 4686 4970 5390 5467 5586 6270 6515 6745 6958 7315 7455 7810 7818 8085 8094 8778 9121 9310 9443 10241 10437 10934 11715 13030 13490 13965 14333 14630 14839 14910 16170 16401 17395 18242 18886 19545 20235 20482 20874 21945 23430 24757 27335 27363 27930 28329 28666 29678 30723 32802 34790 38269 39090 40470 42999 43890 44517 45605 47215 49514 51205 52185 54670 54726 56658 61446 63847 66101 71665 74195 74271 76538 82005 85998 89034 91210 92513 94430 100331 102410 103873 104370 114807 123785 127694 132202 136815 141645 143330 148390 148542 153615 164010 173299 185026 191345 191541 198303 200662 207746 214995 222585 229614 247570 272327 273630 277539 283290 300993 307230 311619 319235 330505 346598 371355 382690 383082 396606 429990 445170 462565 501655 519365 519897 544654 555078 574035 601986 623238 638470 647591 661010 702317 727111 742710 816981 866495 925130 957705 991515 1003310 1017643 1038730 1039794 1148070 1213093 1295182 1361635 1387695 1404634 1454222 1504965 1558095 1633962 1732990 1757747 1906289 1915410 1942773 1983030 2035286 2106951 2181333 2426186 2599485 2723270 2775390 3009930 3052929 3116190 3237955 3511585 3515494 3635555 3639279 3812578 3885546 4084905 4213902 4362666 4533137 5088215 5198970 5273241 5718867 6065465 6105858 6475910 7023170 7123501 7271110 7278558 8169810 8788735 9066274 9531445 9713865 10176430 10534755 10546482 10906665 11437734 12130930 12304229 13344023 13599411 14247002 15264645 17577470 18196395 19062890 19335217 19427730 21069510 21370503 21813330 22665685 24608458 26366205 26688046 27198822 28594335 30529290 35617505 36392790 36912687 38670434 40032069 42741006 45331370 49864507 52732410 57188670 58005651 61521145 66720115 67997055 71235010 73825374 80064138 86129603 96676085 99729014 106852515 116011302 123042290 133440230 135346519 135994110 149593521 172259206 184563435 193352170 200160345 213705030 249322535 258388809 270693038 290028255 299187042 369126870 400320690 406039557 430648015 498645070 516777618 580056510 676732595 747967605 812079114 861296030 947425633 1291944045 1353465190 1495935210 1894851266 2030197785 2583888090 2842276899 4060395570 4737128165 5684553798 9474256330 14211384495 28422768990
• Sum of all divisors σ(n): 92475924480
• Sum of proper divisors (its aliquot sum) s(n): 64053155490
• 28422768990 is an abundant number, because the sum of its proper divisors (64053155490) is greater than itself. Its abundance is 35630386500

Bases of 28422768990

• Binary: 11010011110001000010000100101011110₂
• Hexadecimal: 0x69E21095E
• Base-36: D226KWU

Squares and roots of 28422768990

• 28422768990 squared (28422768990²) is 807853797058905620100
• 28422768990 cubed (28422768990³) is 22961441851499615862315000699000
• The square root of 28422768990 is 168590.5364781783
• The cube root of 28422768990 is 3051.7957351439

Scales and comparisons

• 28,422,768,990 seconds is equal to 903 years, 39 weeks, 2 days, 5 hours, 36 minutes, 30 seconds.
• To count from 1 to 28,422,768,990 would take you about one thousand, eight hundred seven 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 28422768990 cubic inches would be around 254.3 feet tall.

Recreational maths with 28422768990

• 28422768990 backwards is 09986722482
• 28422768990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28422768990's digits is 57
• More coming soon!