686142 is an even 6-digits composite number following 686141
and preceding 686143 . In scientific notation, it is written as 6.86142 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 228708 positive integers (up to 686142) that are relatively prime to 686142.
686142 has 12 divisors, whose sum is 1486680
The reverse of 686142 is 241686
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9
Name
six hundred eighty-six thousand one hundred forty-two
Scientific notation
6.86142 × 10^5
Engineering notation
6.86142 × 10^3
Prime Factorization
2 × 3 × 3 × 38119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
228714
Product of the distinct prime numbers
The prime factorization of 686142 is 2 × 3 × 3 × 38119.
Since it has a total of 4 prime factors.
5 , 3 , 8 , 26 , 850 , 902 , 2857 , 5714 , 89447 , 89810 , 398086 , 569688 , 8276257 , 1110801 , 76198304 , 48547865 , 716868954 , 872011770 , 5153463780 , 8395669328
n×2
1372284
n×3
2058426
n×4
2744568
n×5
3430710
n÷2
343071
n÷3
228714
n÷3
171535.5
n÷5
137228.4
n2
470790844164
n3
323029371396375288
n4
2.2164401894865E+23
n5
1.5207927044947E+29
2 √n
828.33688798701
3 √n
88.200558405769
4 √n
28.780842377995
5 √n
14.69883114201
1 , 2 , 3 , 6 , 9 , 18 , 38119 , 76238 , 114357 , 228714 , 343071 , 686142
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686142 can be divided by 12 positive divisors.
The sum of these divisors (counting 686142) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10100111100000111110
3
Ternary
1021212012200
4
Quaternary
2213200332
5
Quinary
133424032
6
Senary
22412330
8
Octal
2474076
10
Decimal
686142
12
Duodecimal
2910a6
16
Hexadecimal
a783e
20
Vigesimal
45f72
36
Base36
epfi
md5
b038f9299b7b2b9272275ba47801ab7e
sha1
74e5607ce536db64650438c6ad9a7bd23379f1ce
sha256
d8f5fc8e4ce74657bd90df063b7907090ff70954cca153f09345a81403aa70fd
sha512
59b6b60865bc41d4660f7d35d81939a34db7bbed1d25ae4d20e3ba8fe0af5ec295dbd4e7aa70c14d9832d7c9e84ea3045ef61362100ad0903ad90da912e400b4
ripemd-160
129837e79de54d6cc0870e3d34eeee495747d4a9
Diameter
1372284
Circumference
4311157.3330388
Area
1479033057403
Volume
1.3531022667634E+18
Surface area
5916132229611.8
Circumference
4311157.3330388
Perimeter
2744568
Area
470790844164
Diagonal
970351.3221138
Surface area
2824745064984
Volume
323029371396375288
Space diagonal
1188432.8052069
Perimeter
2058426
Area
203858415457.57
Altitude
594216.40260346
Surface area
203858415457.57
Volume
3.8069376506134E+16
Height
323450.4407046