18909120827372219928576

Names of 18909120827372219928576

• Cardinal: 18909120827372219928576 can be written as Eighteen sextillion, nine hundred nine quintillion, one hundred twenty quadrillion, eight hundred twenty-seven trillion, three hundred seventy-two billion, two hundred nineteen million, nine hundred twenty-eight thousand, five hundred seventy-six.

Scientific notation

• Scientific notation: 1.8909120827372219928576 × 10²²

Factors of 18909120827372219928576

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 15456

Divisors of 18909120827372219928576

• Number of divisors d(n): 195
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 864 1024 1152 1296 1536 1728 2048 2304 2592 3072 3456 4096 4608 5184 6144 6912 9216 10368 12288 13824 15451 18432 20736 27648 30902 36864 41472 46353 55296 61804 82944 92706 110592 123608 139059 165888 185412 247216 278118 331776 370824 417177 494432 556236 741648 834354 988864 1112472 1251531 1483296 1668708 1977728 2224944 2503062 2966592 3337416 3955456 4449888 5006124 5933184 6674832 7910912 8899776 10012248 11866368 13349664 15821824 17799552 20024496 23732736 26699328 31643648 35599104 40048992 47465472 53398656 63287296 71198208 80097984 94930944 106797312 142396416 160195968 189861888 213594624 238733401 284792832 320391936 427189248 477466802 569585664 640783872 716200203 854378496 954933604 1281567744 1432400406 1708756992 1909867208 2148600609 2563135488 2864800812 3819734416 4297201218 5126270976 5729601624 6445801827 7639468832 8594402436 11459203248 12891603654 15278937664 17188804872 19337405481 22918406496 25783207308 30557875328 34377609744 38674810962 45836812992 51566414616 61115750656 68755219488 77349621924 91673625984 103132829232 122231501312 137510438976 154699243848 183347251968 206265658464 244463002624 275020877952 309398487696 366694503936 412531316928 488926005248 550041755904 618796975392 733389007872 825062633856 977852010496 1100083511808 1237593950784 1466778015744 1650125267712 2200167023616 2475187901568 2933556031488 3300250535424 4400334047232 4950375803136 6600501070848 8800668094464 9900751606272 13201002141696 19801503212544 26402004283392 39603006425088 79206012850176
• Sum of all divisors σ(n): 18909120984792821524083
• Sum of proper divisors (its aliquot sum) s(n): 157420601595507
• 18909120827372219928576 is a deficient number, because the sum of its proper divisors (157420601595507) is less than itself. Its deficiency is 18909120669951618333069

Bases of 18909120827372219928576

• Binary: 100000000010001000011000100001101111010110111011101101001000001000000000000₂
• Hexadecimal: 0x40110C437ADDDA41000
• Base-36: 32UMMV99KLGXS00

Squares and roots of 18909120827372219928576

• 18909120827372219928576 squared (18909120827372219928576²) is 357554850464161867136460335779933122541387776
• 18909120827372219928576 cubed (18909120827372219928576³) is 6761047869839842819871021676988982763943962448771222765586639486976
• 18909120827372219928576 is a perfect square number. Its square root is 137510438976
• The cube root of 18909120827372219928576 is 26641404.2410352223

Scales and comparisons

• 18,909,120,827,372,219,928,576 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,909,120,827,372,219,928,576 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18909120827372219928576 cubic inches would be around 2220117 feet tall.

Recreational maths with 18909120827372219928576

• 18909120827372219928576 backwards is 67582991227372802190981
• 18909120827372219928576 is a Harshad number.
• The number of decimal digits it has is: 23
• The sum of 18909120827372219928576's digits is 108
• More coming soon!