42390405981
42,390,405,981 is an odd composite number composed of eight prime numbers multiplied together.
What does the number 42390405981 look like?
This visualization shows the relationship between its 8 prime factors (large circles) and 384 divisors.
42390405981 is an odd composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 42390405981:
32 × 7 × 11 × 17 × 19 × 31 × 41 × 149
(3 × 3 × 7 × 11 × 17 × 19 × 31 × 41 × 149)See below for interesting mathematical facts about the number 42390405981 from the Numbermatics database.
Names of 42390405981
- Cardinal: 42390405981 can be written as Forty-two billion, three hundred ninety million, four hundred five thousand, nine hundred eighty-one.
Scientific notation
- Scientific notation: 4.2390405981 × 1010
Factors of 42390405981
Divisors of 42390405981
- Number of divisors d(n): 384
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Complete list of divisors:
1 3 7 9 11 17 19 21 31 33 41 51 57 63 77 93 99 119 123 133 149 153 171 187 209 217 231 279 287 323 341 357 369 399 447 451 527 561 589 627 651 693 697 779 861 969 1023 1043 1071 1197 1271 1309 1341 1353 1463 1581 1639 1683 1767 1881 1953 2091 2261 2337 2387 2533 2583 2831 2907 3069 3129 3157 3553 3689 3813 3927 4059 4123 4389 4619 4743 4879 4917 5301 5453 5797 6109 6273 6479 6783 7011 7161 7599 7667 8493 8569 8897 9387 9471 10013 10659 11067 11439 11473 11781 12369 13167 13243 13857 13981 14637 14751 16359 17391 17731 18327 19437 19817 20349 21483 21607 22797 23001 24149 24871 25479 25707 26691 27863 28413 30039 31141 31977 32333 33201 34419 37107 39729 40579 41571 41943 42763 43911 45353 48127 49077 50809 52173 53193 53669 54981 58311 59451 59983 64821 67199 69003 70091 72447 74613 77121 78523 80073 83589 87761 90117 92701 93423 96999 97867 103257 103853 110143 116071 119187 121737 125829 128289 136059 144381 145673 151249 152427 159579 161007 169043 178353 179949 189379 194463 195041 201597 210273 217341 217987 223839 235569 237677 250767 263283 265639 278103 280269 290997 293601 311559 330429 336889 348213 355663 365211 384867 408177 410533 433143 437019 453747 457281 470393 483021 507129 529397 539847 549661 568137 585123 604791 614327 630819 653961 706707 713031 726971 771001 789849 796917 812497 834309 863753 880803 934677 965371 991287 1010667 1019711 1044639 1066989 1142383 1231599 1276781 1311057 1325653 1361241 1411179 1491937 1521387 1588191 1648983 1663739 1704411 1755369 1842981 1859473 1961883 1973207 2083169 2139093 2180913 2313003 2390751 2437491 2591259 2873731 2896113 3032001 3059133 3200967 3219443 3427149 3598201 3694797 3705779 3830343 3976959 4233537 4475811 4515863 4764573 4946949 4991217 5528943 5578419 5919621 6046271 6249507 6542739 6757597 6939009 7312473 7773777 7996681 8621193 8688339 8937467 9177399 9658329 10281447 10443559 10794603 11117337 11491029 11930877 13427433 13547589 13812449 14582183 14973651 16411307 16735257 17758863 18138813 18748521 20272791 21705277 22536101 23990043 25187407 25863579 26812401 28974987 31330677 31611041 32383809 33352011 35413873 39580211 40642767 41437347 43746549 49233921 54416439 60818373 61169417 65115831 67608303 71970129 75562221 80437203 93992031 94833123 106241619 114879149 118740633 124312041 131239647 147701763 151936939 183508251 195347493 202824909 226686663 247897111 277061477 284499369 318724857 344637447 356221899 428185919 455810817 550524753 672863587 743691333 831184431 1033912341 1284557757 1367432451 2018590761 2231073999 2493553293 3853673271 4710045109 6055772283 14130135327 42390405981
- Sum of all divisors σ(n): 90574848000
- Sum of proper divisors (its aliquot sum) s(n): 48184442019
- 42390405981 is an abundant number, because the sum of its proper divisors (48184442019) is greater than itself. Its abundance is 5794036038
Bases of 42390405981
- Binary: 1001110111101010101001000011010111012
- Hexadecimal: 0x9DEAA435D
- Base-36: JH25IL9
Squares and roots of 42390405981
- 42390405981 squared (423904059812) is 1796946519234000572361
- 42390405981 cubed (423904059813) is 76173292476474109401169157691141
-
The
square root of 42390405981 is 205889.3051642071 -
The
cube root of 42390405981 is 3486.7637748179
Scales and comparisons
How big is 42390405981?- 42,390,405,981 seconds is equal to 1,347 years, 45 weeks, 6 days, 16 hours, 46 minutes, 21 seconds.
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To count from 1 to 42,390,405,981 would take you about two thousand, six hundred ninety-five 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 42390405981 cubic inches would be around 290.6 feet tall.
Recreational maths with 42390405981
- 42390405981 backwards is 18950409324
- The number of decimal digits it has is: 11
- The sum of 42390405981's digits is 45
- More coming soon!
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