18442238 is an even 8-digits composite number following 18442237
and preceding 18442239 . In scientific notation, it is written as 1.8442238 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 9197496 positive integers (up to 18442238) that are relatively prime to 18442238.
18442238 has 8 divisors, whose sum is 27734232
The reverse of 18442238 is 83224481
Previous prime number is 397
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million four hundred forty-two thousand two hundred thirty-eight
Scientific notation
1.8442238 × 10^7
Engineering notation
1.8442238 × 10^6
Prime Factorization
2 × 397 × 23227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18442238
Product of the distinct prime numbers
The prime factorization of 18442238 is 2 × 397 × 23227.
Since it has a total of 3 prime factors.
7 , 7 , 9 , 73 , 14 , 806 , 2168 , 3361 , 25056 , 35750 , 397354 , 44386 , 322621 , 5165964 , 82381254 , 56566880 , 449436235 , 885920068 , 9465406520 , 9699204391
n×2
36884476
n×3
55326714
n×4
73768952
n×5
92211190
n÷2
9221119
n÷3
6147412.6666667
n÷3
4610559.5
n÷5
3688447.6
n2
340116142448644
n3
6.2725028466798E+21
n4
1.1567899035415E+29
n5
2.1333794717109E+36
2 √n
4294.4426879398
3 √n
264.20307874565
4 √n
65.531997435908
5 √n
28.389825588833
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18442237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18442238 can be divided by 8 positive divisors.
The sum of these divisors (counting 18442238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110010110011111111110
3
Ternary
1021200221222212
4
Quaternary
1012112133332
5
Quinary
14210122423
6
Senary
1455140422
8
Octal
106263776
10
Decimal
18442238
12
Duodecimal
6214712
16
Hexadecimal
11967fe
20
Vigesimal
5f55bi
36
Base36
aza4e
md5
162cf5a3bc6e067025ee490a21e8430e
sha1
8b1563372043c3493427c7bf5a97149297dec2e0
sha256
f28a34b63cbc89f841b3ff49f408e0fbc01550b247e294fb076705eb5b1917c1
sha512
eac6b50395b29a514651a6829e744ad8e8ae8acf843a699613d3517ac52627f0c8031995f941b9fcfca2491d2952d5e754c43b5cc29bac3218d526a82b4ddb63
ripemd-160
25f6e1c13ff4fde700c084d808124746dfaa8799
Diameter
36884476
Circumference
115875998.83311
Area
1.068506374484E+15
Volume
2.6274198483667E+22
Surface area
4.2740254979358E+15
Circumference
115875998.83311
Perimeter
73768952
Area
340116142448644
Diagonal
26081263.100112
Surface area
2040696854691864
Volume
6.2725028466798E+21
Space diagonal
31942893.221277
Perimeter
55326714
Area
1.4727460979885E+14
Altitude
15971446.610639
Surface area
1.4727460979885E+14
Volume
7.3922154964987E+20
Height
8693754.3667042