21018137471172
21,018,137,471,172 is an even composite number composed of six prime numbers multiplied together.
21018137471172 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21018137471172:
22 × 32 × 17 × 232 × 3532 × 521
(2 × 2 × 3 × 3 × 17 × 23 × 23 × 353 × 353 × 521)See below for interesting mathematical facts about the number 21018137471172 from the Numbermatics database.
Names of 21018137471172
- Cardinal: 21018137471172 can be written as Twenty-one trillion, eighteen billion, one hundred thirty-seven million, four hundred seventy-one thousand, one hundred seventy-two.
Scientific notation
- Scientific notation: 2.1018137471172 × 1013
Factors of 21018137471172
Divisors of 21018137471172
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 4 6 9 12 17 18 23 34 36 46 51 68 69 92 102 138 153 204 207 276 306 353 391 414 521 529 612 706 782 828 1042 1058 1059 1173 1412 1563 1564 1587 2084 2116 2118 2346 3126 3174 3177 3519 4236 4689 4692 4761 6001 6252 6348 6354 7038 8119 8857 8993 9378 9522 11983 12002 12708 14076 16238 17714 17986 18003 18756 19044 23966 24004 24357 26571 26979 32476 35428 35949 35972 36006 47932 48714 53142 53958 54009 71898 72012 73071 79713 80937 97428 106284 107847 107916 108018 124609 138023 143796 146142 159426 161874 183913 186737 203711 215694 216036 249218 275609 276046 292284 318852 323748 367826 373474 373827 407422 414069 431388 498436 551218 551739 552092 560211 611133 735652 746948 747654 814844 826827 828138 1102436 1103478 1120422 1121481 1222266 1242207 1495308 1653654 1655217 1656276 1680633 1833399 2118353 2206956 2240844 2242962 2444532 2480481 2484414 2866007 3126521 3174529 3307308 3310434 3361266 3666798 4229999 4236706 4485924 4685353 4960962 4968828 5732014 6253042 6349058 6355059 6620868 6722532 7333596 8459998 8473412 8598021 9370706 9379563 9523587 9921924 11464028 12506084 12689997 12698116 12710118 14056059 16919996 17196042 18741412 18759126 19047174 19065177 25379994 25420236 25794063 28112118 28138689 28570761 34392084 37518252 38069991 38094348 38130354 42168177 48722119 50759988 51588126 56224236 56277378 57141522 64921289 65918161 71909983 76139982 76260708 84336354 97289977 97444238 103176252 112554756 114283044 129842578 131836322 143819966 146166357 152279964 168672708 194579954 194763867 194888476 197754483 215729949 259685156 263672644 287639932 291869931 292332714 389159908 389527734 395508966 431459898 438499071 583739862 584291601 584665428 593263449 647189847 779055468 791017932 862919796 875609793 876998142 1103661913 1120608737 1167479724 1168583202 1186526898 1294379694 1493189647 1653929609 1751219586 1753996284 2207323826 2241217474 2337166404 2373053796 2588759388 2986379294 3307859218 3310985739 3361826211 3502439172 4414647652 4479568941 4482434948 4961788827 5972758588 6615718436 6621971478 6723652422 8959137882 9923577654 9932957217 10085478633 13243942956 13438706823 13447304844 14885366481 17918275764 19847155308 19865914434 20170957266 25384223999 26877413646 29770732962 34343361881 39731828868 40341914532 50768447998 53754827292 59541465924 68686723762 76152671997 101536895996 103030085643 137373447524 152305343994 206060171286 228458015991 304610687988 309090256929 412120342572 456916031982 583837151977 618180513858 913832063964 1167674303954 1236361027716 1751511455931 2335348607908 3503022911862 5254534367793 7006045823724 10509068735586 21018137471172
- Sum of all divisors σ(n): 59086868608404
- Sum of proper divisors (its aliquot sum) s(n): 38068731137232
- 21018137471172 is an abundant number, because the sum of its proper divisors (38068731137232) is greater than itself. Its abundance is 17050593666060
Bases of 21018137471172
- Binary: 1001100011101101010101001111000101000110001002
- Hexadecimal: 0x131DAA9E28C4
- Base-36: 7G7LKDM10
Squares and roots of 21018137471172
- 21018137471172 squared (210181374711722) is 441762102757084515131053584
- 21018137471172 cubed (210181374711723) is 9285016605302413539864082346181787280448
-
The
square root of 21018137471172 is 4584554.2281853313 -
The
cube root of 21018137471172 is 27597.1823206867
Scales and comparisons
How big is 21018137471172?- 21,018,137,471,172 seconds is equal to 668,311 years, 39 weeks, 2 days, 23 hours, 46 minutes, 12 seconds.
-
To count from 1 to 21,018,137,471,172 would take you about one million, six hundred seventy thousand, seven hundred seventy-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 21018137471172 cubic inches would be around 2299.8 feet tall.
Recreational maths with 21018137471172
- 21018137471172 backwards is 27117473181012
- The number of decimal digits it has is: 14
- The sum of 21018137471172's digits is 45
- More coming soon!
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The information we have on file for 21018137471172 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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