8161022142
8,161,022,142 is an even composite number composed of seven prime numbers multiplied together.
8161022142 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 8161022142:
2 × 32 × 7 × 13 × 17 × 37 × 892
(2 × 3 × 3 × 7 × 13 × 17 × 37 × 89 × 89)See below for interesting mathematical facts about the number 8161022142 from the Numbermatics database.
Names of 8161022142
- Cardinal: 8161022142 can be written as Eight billion, one hundred sixty-one million, twenty-two thousand, one hundred forty-two.
Scientific notation
- Scientific notation: 8.161022142 × 109
Factors of 8161022142
Divisors of 8161022142
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 7 9 13 14 17 18 21 26 34 37 39 42 51 63 74 78 89 91 102 111 117 119 126 153 178 182 221 222 234 238 259 267 273 306 333 357 442 481 518 534 546 623 629 663 666 714 777 801 819 962 1071 1157 1246 1258 1326 1443 1513 1547 1554 1602 1638 1869 1887 1989 2142 2314 2331 2886 3026 3094 3293 3367 3471 3738 3774 3978 4329 4403 4539 4641 4662 5607 5661 6586 6734 6942 7921 8099 8177 8658 8806 9078 9282 9879 10101 10413 10591 11214 11322 13209 13617 13923 15842 16198 16354 19669 19758 20202 20826 21182 23051 23763 24297 24531 26418 27234 27846 29637 30303 31773 39338 39627 42809 46102 47526 48594 49062 55447 55981 57239 59007 59274 60606 63546 69153 71289 72891 73593 79254 85618 95319 102973 110894 111962 114478 118014 128427 134657 137683 138306 142578 145782 147186 166341 167943 171717 177021 190638 205946 207459 256854 269314 275366 293077 299663 308919 332682 335886 343434 354042 385281 391867 403971 413049 414918 499023 503829 515151 586154 599326 617838 720811 727753 770562 783734 807942 826098 879231 898989 926757 942599 998046 1007658 1030302 1175601 1211913 1239147 1441622 1455506 1750541 1758462 1797978 1853514 1885198 2051539 2162433 2183259 2351202 2423826 2478294 2637693 2696967 2827797 3501082 3526803 3810001 4103078 4324866 4366518 4982309 5094271 5251623 5275386 5393934 5655594 6154617 6487299 6549777 7053606 7620002 8483391 9964618 10188542 10503246 11430003 12253787 12309234 12974598 13099554 14946927 15282813 15754869 16966782 18463851 22860006 24507574 26670007 29893854 30565626 31509738 34290009 34876163 36761361 36927702 44840781 45848439 53340014 64770017 68580018 69752326 73522722 80010021 89681562 91696878 104628489 110284083 129540034 160020042 194310051 209256978 220568166 240030063 313885467 388620102 453390119 480060126 582930153 627770934 906780238 1165860306 1360170357 2720340714 4080511071 8161022142
- Sum of all divisors σ(n): 23934560832
- Sum of proper divisors (its aliquot sum) s(n): 15773538690
- 8161022142 is an abundant number, because the sum of its proper divisors (15773538690) is greater than itself. Its abundance is 7612516548
Bases of 8161022142
- Binary: 1111001100110111101010000101111102
- Hexadecimal: 0x1E66F50BE
- Base-36: 3QYV0ZI
Squares and roots of 8161022142
- 8161022142 squared (81610221422) is 66602282402214268164
- 8161022142 cubed (81610221423) is 543542701392207592314729687288
-
The
square root of 8161022142 is 90338.3757989925 -
The
cube root of 8161022142 is 2013.3294769953
Scales and comparisons
How big is 8161022142?- 8,161,022,142 seconds is equal to 259 years, 25 weeks, 5 days, 6 hours, 35 minutes, 42 seconds.
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To count from 1 to 8,161,022,142 would take you about five hundred eighteen 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 8161022142 cubic inches would be around 167.8 feet tall.
Recreational maths with 8161022142
- 8161022142 backwards is 2412201618
- The number of decimal digits it has is: 10
- The sum of 8161022142's digits is 27
- More coming soon!
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