16421946142866642
16,421,946,142,866,642 is an even composite number composed of seven prime numbers multiplied together.
16421946142866642 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 16421946142866642:
2 × 32 × 7 × 19 × 97 × 59239 × 1193771
(2 × 3 × 3 × 7 × 19 × 97 × 59239 × 1193771)See below for interesting mathematical facts about the number 16421946142866642 from the Numbermatics database.
Names of 16421946142866642
- Cardinal: 16421946142866642 can be written as Sixteen quadrillion, four hundred twenty-one trillion, nine hundred forty-six billion, one hundred forty-two million, eight hundred sixty-six thousand, six hundred forty-two.
Scientific notation
- Scientific notation: 1.6421946142866642 × 1016
Factors of 16421946142866642
Divisors of 16421946142866642
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 6 7 9 14 18 19 21 38 42 57 63 97 114 126 133 171 194 266 291 342 399 582 679 798 873 1197 1358 1746 1843 2037 2394 3686 4074 5529 6111 11058 12222 12901 16587 25802 33174 38703 59239 77406 116109 118478 177717 232218 355434 414673 533151 829346 1066302 1125541 1193771 1244019 2251082 2387542 2488038 3376623 3581313 3732057 5746183 6753246 7162626 7464114 7878787 8356397 10129869 10743939 11492366 15757574 16712794 17238549 20259738 21487878 22681649 23636361 25069191 34477098 40223281 45363298 47272722 50138382 51715647 68044947 70909083 75207573 80446562 103431294 109177477 115795787 120669843 136089894 141818166 150415146 158771543 204134841 218354954 231591574 241339686 317543086 327532431 347387361 362009529 408269682 476314629 655064862 694774722 724019058 764242339 810570509 952629258 982597293 1042162083 1428943887 1528484678 1621141018 1965194586 2084324166 2200119953 2292727017 2431711527 2857887774 4400239906 4585454034 4863423054 6600359859 6878181051 7295134581 13200719718 13756362102 14590269162 15400839671 19801079577 30801679342 39602159154 46202519013 70717800269 92405038026 138607557039 141435600538 212153400807 277215114078 424306801614 495024601883 636460202421 990049203766 1272920404842 1343638205111 1485073805649 2687276410222 2970147611298 4030914615333 4455221416947 6859626626093 8061829230666 8910442833894 9405467435777 12092743845999 13719253252186 18810934871554 20578879878279 24185487691998 28216402307331 41157759756558 48017386382651 56432804614662 61736639634837 84649206921993 96034772765302 123473279269674 130332905895767 144052159147953 169298413843986 260665811791534 288104318295906 390998717687301 432156477443859 781997435374602 864312954887718 912330341270369 1172996153061903 1824660682540738 2345992306123806 2736991023811107 5473982047622214 8210973071433321 16421946142866642
- Sum of all divisors σ(n): 43246115461785600
- Sum of proper divisors (its aliquot sum) s(n): 26824169318918958
- 16421946142866642 is an abundant number, because the sum of its proper divisors (26824169318918958) is greater than itself. Its abundance is 10402223176052316
Bases of 16421946142866642
- Binary: 1110100101011110101100010010100101110110111100110100102
- Hexadecimal: 0x3A57AC4A5DBCD2
- Base-36: 4HP3DWRDM8I
Squares and roots of 16421946142866642
- 16421946142866642 squared (164219461428666422) is 269680315119212580661541396356164
- 16421946142866642 cubed (164219461428666423) is 4428675610679013596728208170994079816540186681288
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The
square root of 16421946142866642 is 128148141.3945073257 -
The
cube root of 16421946142866642 is 254180.0970384527
Scales and comparisons
How big is 16421946142866642?- 16,421,946,142,866,642 seconds is equal to 522,167,090 years, 48 weeks, 1 day, 23 hours, 50 minutes, 42 seconds.
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To count from 1 to 16,421,946,142,866,642 would take you about one billion, five hundred sixty-six million, five hundred one thousand, two hundred seventy-two 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 16421946142866642 cubic inches would be around 21181.7 feet tall.
Recreational maths with 16421946142866642
- 16421946142866642 backwards is 24666824164912461
- The number of decimal digits it has is: 17
- The sum of 16421946142866642's digits is 72
- More coming soon!
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