28731340279025280

Names of 28731340279025280

• Cardinal: 28731340279025280 can be written as Twenty-eight quadrillion, seven hundred thirty-one trillion, three hundred forty billion, two hundred seventy-nine million, twenty-five thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.873134027902528 × 10¹⁶

Factors of 28731340279025280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 29515265760

Divisors of 28731340279025280

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 128 130 144 156 160 169 180 192 195 208 234 240 260 288 312 320 338 360 384 390 416 468 480 507 520 576 585 624 640 676 720 780 832 845 936 960 1014 1040 1152 1170 1248 1352 1440 1521 1560 1664 1690 1872 1920 2028 2080 2340 2496 2535 2704 2880 3042 3120 3380 3744 4056 4160 4680 4992 5070 5408 5760 6084 6240 6760 7488 7605 8112 8320 9360 10140 10816 12168 12480 13520 14976 15210 16224 18720 20280 21632 24336 24960 27040 30420 32448 37440 40560 48672 54080 60840 64896 74880 81120 97344 108160 121680 162240 194688 243360 324480 486720 973440 29515265737 59030531474 88545797211 118061062948 147576328685 177091594422 236122125896 265637391633 295152657370 354183188844 383698454581 442728986055 472244251792 531274783266 590305314740 708366377688 767396909162 885457972110 944488503584 1062549566532 1151095363743 1180610629480 1328186958165 1416732755376 1534793818324 1770915944220 1888977007168 1918492272905 2125099133064 2302190727486 2361221258960 2656373916330 2833465510752 3069587636648 3453286091229 3541831888440 3777954014336 3836984545810 4250198266128 4604381454972 4722442517920 4988079909553 5312747832660 5666931021504 5755476818715 6139175273296 6906572182458 7083663776880 7673969091620 8500396532256 9208762909944 9444885035840 9976159819106 10625495665320 11333862043008 11510953637430 12278350546592 13813144364916 14167327553760 14964239728659 15347938183240 17000793064512 17266430456145 18417525819888 18889770071680 19952319638212 21250991330640 23021907274860 24556701093184 24940399547765 27626288729832 28334655107520 29928479457318 30695876366480 34001586129024 34532860912290 36835051639776 39904639276424 42501982661280 44892719185977 46043814549720 49113402186368 49880799095530 55252577459664 56669310215040 59856958914636 61391752732960 69065721824580 73670103279552 74821198643295 79809278552848 85003965322560 89785438371954 92087629099440 99761598191060 110505154919328 119713917829272 122783505465920 138131443649160 147340206559104 149642397286590 159618557105696 170007930645120 179570876743908 184175258198880 199523196382120 221010309838656 224463595929885 239427835658544 245567010931840 276262887298320 299284794573180 319237114211392 359141753487816 368350516397760 399046392764240 442020619677312 448927191859770 478855671317088 552525774596640 598569589146360 638474228422784 718283506975632 736701032795520 798092785528480 897854383719540 957711342634176 1105051549193280 1197139178292720 1436567013951264 1596185571056960 1795708767439080 1915422685268352 2210103098386560 2394278356585440 2873134027902528 3192371142113920 3591417534878160 4788556713170880 5746268055805056 7182835069756320 9577113426341760 14365670139512640 28731340279025280
• Sum of all divisors σ(n): 107431730301774060
• Sum of proper divisors (its aliquot sum) s(n): 78700390022748780
• 28731340279025280 is an abundant number, because the sum of its proper divisors (78700390022748780) is greater than itself. Its abundance is 49969049743723500

Bases of 28731340279025280

• Binary: 1100110000100110000000001110011010000001000111010000000₂
• Hexadecimal: 0x66130073408E80
• Base-36: 7UWERICWPS0

Squares and roots of 28731340279025280

• 28731340279025280 squared (28731340279025280²) is 825489914229140454405506879078400
• 28731340279025280 cubed (28731340279025280³) is 23717431622620826758241015464964187532776701952000
• The square root of 28731340279025280 is 169503216.1318046497
• The cube root of 28731340279025280 is 306279.9930562479

Scales and comparisons

• 28,731,340,279,025,280 seconds is equal to 913,567,749 years, 20 hours, 48 minutes.
• To count from 1 to 28,731,340,279,025,280 would take you about two billion, seven hundred forty million, seven hundred three thousand, two hundred forty-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 28731340279025280 cubic inches would be around 25523.3 feet tall.

Recreational maths with 28731340279025280

• 28731340279025280 backwards is 08252097204313782
• The number of decimal digits it has is: 17
• The sum of 28731340279025280's digits is 63
• More coming soon!