18442018 is an even 8-digits composite number following 18442017
and preceding 18442019 . In scientific notation, it is written as 1.8442018 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 7785360 positive integers (up to 18442018) that are relatively prime to 18442018.
18442018 has 16 divisors, whose sum is 32088384
The reverse of 18442018 is 81024481
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million four hundred forty-two thousand eighteen
Scientific notation
1.8442018 × 10^7
Engineering notation
1.8442018 × 10^6
Prime Factorization
2 × 7 × 67 × 19661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18442018
Product of the distinct prime numbers
The prime factorization of 18442018 is 2 × 7 × 67 × 19661.
Since it has a total of 4 prime factors.
3 , 8 , 75 , 28 , 646 , 621 , 9177 , 2770 , 17299 , 78464 , 888449 , 126873 , 2260595 , 8386684 , 65770621 , 74272965 , 281071511 , 425783843 , 6178838389 , 6811830572
n×2
36884036
n×3
55326054
n×4
73768072
n×5
92210090
n÷2
9221009
n÷3
6147339.3333333
n÷3
4610504.5
n÷5
3688403.6
n2
340108027912324
n3
6.2722783727036E+21
n4
1.1567347065041E+29
n5
2.1332522278573E+36
2 √n
4294.417073364
3 √n
264.20202816982
4 √n
65.531801999975
5 √n
28.389757855281
1 , 2 , 7 , 14 , 67 , 134 , 469 , 938 , 19661 , 39322 , 137627 , 275254 , 1317287 , 2634574 , 9221009 , 18442018
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
-18442017
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 18442018 can be divided by 16 positive divisors.
The sum of these divisors (counting 18442018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110010110011100100010
3
Ternary
1021200221200201
4
Quaternary
1012112130202
5
Quinary
14210121033
6
Senary
1455135414
8
Octal
106263442
10
Decimal
18442018
12
Duodecimal
621456a
16
Hexadecimal
1196722
20
Vigesimal
5f550i
36
Base36
az9ya
md5
9bb35c8b917e06c5385a3d9c1fcf804d
sha1
bd00b32e6c0e9a309bbf7218bcc5b0e8093bfc5c
sha256
6fbace5a4fa28cf34839d768f6c9aef799c394eed27b91fd831085c8aa04ba6c
sha512
6630d69508a51e512bec3f33427d743b9e6036f252f426ddb63646b31c1b78fb21cd9cc07845dc6bbc06a83e1a120cb0cc7bcc1a4083b3f29f619dfbd3b853c1
ripemd-160
c35644101f8cb44e70e8577003feb2f434c01003
Diameter
36884036
Circumference
115874616.53234
Area
1.0684808819163E+15
Volume
2.6273258209274E+22
Surface area
4.2739235276651E+15
Circumference
115874616.53234
Perimeter
73768072
Area
340108027912324
Diagonal
26080951.973129
Surface area
2040648167473944
Volume
6.2722783727036E+21
Space diagonal
31942512.1701
Perimeter
55326054
Area
1.4727109610155E+14
Altitude
15971256.08505
Surface area
1.4727109610155E+14
Volume
7.3919509513807E+20
Height
8693650.6577096