28013538740

Names of 28013538740

• Cardinal: 28013538740 can be written as Twenty-eight billion, thirteen million, five hundred thirty-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.801353874 × 10¹⁰

Factors of 28013538740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 360

Divisors of 28013538740

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 11 17 20 22 31 34 44 55 61 62 68 85 110 122 124 155 170 187 220 233 244 289 305 310 340 341 374 466 527 578 610 620 671 682 748 932 935 1037 1054 1156 1165 1220 1342 1364 1445 1705 1870 1891 2074 2108 2330 2563 2635 2684 2890 3179 3355 3410 3740 3782 3961 4148 4660 5126 5185 5270 5780 5797 6358 6710 6820 7223 7564 7922 8959 9455 10252 10370 10540 11407 11594 12716 12815 13420 14213 14446 15844 15895 17629 17918 18910 19805 20740 20801 22814 23188 25630 28426 28892 28985 31790 32147 35258 35836 36115 37820 39610 41602 43571 44795 45628 51260 56852 57035 57970 63580 64294 67337 70516 71065 72230 79220 79453 83204 87142 88145 89590 98549 104005 114070 115940 122791 128588 134674 142130 144460 156343 158906 160735 174284 176290 179180 193919 197098 208010 217855 228140 241621 245582 269348 284260 312686 317812 321470 336685 352580 353617 387838 394196 397265 416020 435710 440603 483242 491164 492745 546499 613955 625372 642940 673370 707234 740707 775676 781715 794530 871420 881206 966484 969595 985490 1092998 1208105 1227910 1346740 1350701 1414468 1481414 1563430 1589060 1762412 1768085 1939190 1970980 2087447 2185996 2203015 2416210 2455820 2657831 2701402 2732495 2962828 3126860 3536170 3703535 3878380 4107557 4174894 4406030 4832420 4846633 5315662 5402804 5464990 6011489 6753505 7072340 7407070 7490251 8215114 8349788 8812060 9693266 10437235 10631324 10929980 12022978 13289155 13507010 14814140 14980502 16430228 19386532 20537785 20874470 22961917 24045956 24233165 26578310 27014020 29961004 30057445 37451255 41075570 41748940 45183127 45923834 48466330 53156620 60114890 74902510 82151140 82392761 90366254 91847668 96932660 114809585 120229780 127334267 149805020 164785522 180732508 225915635 229619170 254668534 329571044 411963805 451831270 459238340 509337068 636671335 823927610 903662540 1273342670 1400676937 1647855220 2546685340 2801353874 5602707748 7003384685 14006769370 28013538740
• Sum of all divisors σ(n): 71833402368
• Sum of proper divisors (its aliquot sum) s(n): 43819863628
• 28013538740 is an abundant number, because the sum of its proper divisors (43819863628) is greater than itself. Its abundance is 15806324888

Bases of 28013538740

• Binary: 11010000101101111001010110110110100₂
• Hexadecimal: 0x685BCADB4
• Base-36: CVAJCTW

Squares and roots of 28013538740

• 28013538740 squared (28013538740²) is 784758352737480787600
• 28013538740 cubed (28013538740³) is 21983858515950003093438311624000
• The square root of 28013538740 is 167372.4551412209
• The cube root of 28013538740 is 3037.0783166873

Scales and comparisons

• 28,013,538,740 seconds is equal to 890 years, 38 weeks, 4 days, 18 hours, 32 minutes, 20 seconds.
• To count from 1 to 28,013,538,740 would take you about one thousand, seven hundred eighty-one 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 28013538740 cubic inches would be around 253.1 feet tall.

Recreational maths with 28013538740

• 28013538740 backwards is 04783531082
• The number of decimal digits it has is: 11
• The sum of 28013538740's digits is 41
• More coming soon!