18839938 is an even 8-digits composite number following 18839937
and preceding 18839939 . In scientific notation, it is written as 1.8839938 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 8641296 positive integers (up to 18839938) that are relatively prime to 18839938.
18839938 has 16 divisors, whose sum is 30623040
The reverse of 18839938 is 83993881
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million eight hundred thirty-nine thousand nine hundred thirty-eight
Scientific notation
1.8839938 × 10^7
Engineering notation
1.8839938 × 10^6
Prime Factorization
2 × 13 × 167 × 4339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18839938
Product of the distinct prime numbers
The prime factorization of 18839938 is 2 × 13 × 167 × 4339.
Since it has a total of 4 prime factors.
1 , 4 , 53 , 25 , 999 , 93 , 9086 , 9189 , 20120 , 76343 , 423162 , 953455 , 892474 , 2598386 , 59826326 , 86615969 , 494542778 , 406921755 , 7961841866 , 5802009900
n×2
37679876
n×3
56519814
n×4
75359752
n×5
94199690
n÷2
9419969
n÷3
6279979.3333333
n÷3
4709984.5
n÷5
3767987.6
n2
354943263843844
n3
6.6871090843357E+21
n4
1.2598472054812E+29
n5
2.3735443240739E+36
2 √n
4340.4997408133
3 √n
266.08873554117
4 √n
65.882469146301
5 √n
28.511226079604
1 , 2 , 13 , 26 , 167 , 334 , 2171 , 4339 , 4342 , 8678 , 56407 , 112814 , 724613 , 1449226 , 9419969 , 18839938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18839937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18839938 can be divided by 16 positive divisors.
The sum of these divisors (counting 18839938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111110111100110000010
3
Ternary
1022110011112111
4
Quaternary
1013313212002
5
Quinary
14310334223
6
Senary
1511445534
8
Octal
107674602
10
Decimal
18839938
12
Duodecimal
63868aa
16
Hexadecimal
11f7982
20
Vigesimal
5hejgi
36
Base36
b7szm
md5
739efcae35be00ea742e218d9b33819e
sha1
67862b101214d3be7e5fc6aa2a90d0eab07113da
sha256
f12f1ab8dc3a440799f005c0ec51e9899605cb25dde2f665a64dd3aa0d21466b
sha512
d77a94f2428ea17344aedbdd8d739b98369d0dfe4fd65c04b97448f340bb71d4f3e967763708d87965249bf28bc8c470a902663ac4ab7f602871d7bb6908af4b
ripemd-160
77a3755e0787aaecca4e6e60275de92cac67d790
Diameter
37679876
Circumference
118374821.62977
Area
1.115087150133E+15
Volume
2.8010897030803E+22
Surface area
4.460348600532E+15
Circumference
118374821.62977
Perimeter
75359752
Area
354943263843844
Diagonal
26643695.833868
Surface area
2129659583063064
Volume
6.6871090843357E+21
Space diagonal
32631729.827448
Perimeter
56519814
Area
1.5369494169547E+14
Altitude
16315864.913724
Surface area
1.5369494169547E+14
Volume
7.8808336334465E+20
Height
8881231.9446227