20418445440

Names of 20418445440

• Cardinal: 20418445440 can be written as Twenty billion, four hundred eighteen million, four hundred forty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.041844544 × 10¹⁰

Factors of 20418445440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5154

Divisors of 20418445440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 241 270 288 320 360 384 432 480 482 540 576 640 720 723 864 960 964 1080 1152 1205 1440 1446 1728 1920 1928 2160 2169 2410 2880 2892 3456 3615 3856 4320 4338 4820 4903 5760 5784 6507 7230 7712 8640 8676 9640 9806 10845 11568 13014 14460 14709 15424 17280 17352 19280 19612 21690 23136 24515 26028 28920 29418 30848 32535 34704 38560 39224 43380 44127 46272 49030 52056 57840 58836 65070 69408 73545 77120 78448 86760 88254 92544 98060 104112 115680 117672 130140 132381 138816 147090 154240 156896 173520 176508 196120 208224 220635 231360 235344 260280 264762 277632 294180 313792 347040 353016 392240 416448 441270 462720 470688 520560 529524 588360 627584 661905 694080 706032 784480 832896 882540 941376 1041120 1059048 1176720 1181623 1323810 1388160 1412064 1568960 1765080 1882752 2082240 2118096 2353440 2363246 2647620 2824128 3137920 3530160 3544869 4164480 4236192 4706880 4726492 5295240 5648256 5908115 7060320 7089738 8472384 9413760 9452984 10590480 10634607 11816230 14120640 14179476 16944768 17724345 18905968 21180960 21269214 23632460 28241280 28358952 31903821 35448690 37811936 42361920 42538428 47264920 53173035 56717904 63807642 70897380 75623872 84723840 85076856 94529840 106346070 113435808 127615284 141794760 151247744 159519105 170153712 189059680 212692140 226871616 255230568 283589520 319038210 340307424 378119360 425384280 453743232 510461136 567179040 638076420 680614848 756238720 850768560 1020922272 1134358080 1276152840 1361229696 1701537120 2041844544 2268716160 2552305680 3403074240 4083689088 5104611360 6806148480 10209222720 20418445440
• Sum of all divisors σ(n): 72630201600
• Sum of proper divisors (its aliquot sum) s(n): 52211756160
• 20418445440 is an abundant number, because the sum of its proper divisors (52211756160) is greater than itself. Its abundance is 31793310720

Bases of 20418445440

• Binary: 10011000001000010001100000010000000₂
• Hexadecimal: 0x4C108C080
• Base-36: 9DOM5C0

Squares and roots of 20418445440

• 20418445440 squared (20418445440²) is 416912914186256793600
• 20418445440 cubed (20418445440³) is 8512713591543486337950941184000
• The square root of 20418445440 is 142893.1259368343
• The cube root of 20418445440 is 2733.2177009711

Scales and comparisons

• 20,418,445,440 seconds is equal to 649 years, 12 weeks, 4 days, 14 hours, 24 minutes.
• To count from 1 to 20,418,445,440 would take you about one thousand, two hundred ninety-eight 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 20418445440 cubic inches would be around 227.8 feet tall.

Recreational maths with 20418445440

• 20418445440 backwards is 04454481402
• 20418445440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20418445440's digits is 36
• More coming soon!