18442668 is an even 8-digits composite number following 18442667
and preceding 18442669 . In scientific notation, it is written as 1.8442668 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 6147552 positive integers (up to 18442668) that are relatively prime to 18442668.
18442668 has 12 divisors, whose sum is 43032920
The reverse of 18442668 is 86624481
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million four hundred forty-two thousand six hundred sixty-eight
Scientific notation
1.8442668 × 10^7
Engineering notation
1.8442668 × 10^6
Prime Factorization
2 × 2 × 3 × 1536889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9221334
Product of the distinct prime numbers
The prime factorization of 18442668 is 2 × 2 × 3 × 1536889.
Since it has a total of 4 prime factors.
3 , 8 , 40 , 42 , 751 , 184 , 6753 , 5102 , 84702 , 22524 , 871804 , 615844 , 7399360 , 2202221 , 97851119 , 1963551 , 875570497 , 218075947 , 7699986908 , 2938921137
n×2
36885336
n×3
55328004
n×4
73770672
n×5
92213340
n÷2
9221334
n÷3
6147556
n÷3
4610667
n÷5
3688533.6
n2
340132002958224
n3
6.2729416067335E+21
n4
1.1568977943637E+29
n5
2.1336281931383E+36
2 √n
4294.4927523516
3 √n
264.20513211974
4 √n
65.532379419273
5 √n
28.389957975272
1 , 2 , 3 , 4 , 6 , 12 , 1536889 , 3073778 , 4610667 , 6147556 , 9221334 , 18442668
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
-18442667
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 18442668 can be divided by 12 positive divisors.
The sum of these divisors (counting 18442668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110010110100110101100
3
Ternary
1021200222120210
4
Quaternary
1012112212230
5
Quinary
14210131133
6
Senary
1455142420
8
Octal
106264654
10
Decimal
18442668
12
Duodecimal
6214a10
16
Hexadecimal
11969ac
20
Vigesimal
5f56d8
36
Base36
azagc
md5
e7c483fd026b585390a62f6b6dd8b1d5
sha1
4eb6b679dc7df4260b0102a4b25a8c8a9df015f6
sha256
d5c5070f959d39799d9dd9479b743ebeeba1f6b7e797ae974c8c1562dc542f80
sha512
8777e986e945cd3ca16dec3ecf0ab4fef4ae39b94fe715977bf4d35d91493800848d4147272a4083025b5b5fff9e6f4946100b9703888101d44125c28367375e
ripemd-160
d1086b0214b95f77bbfa45dd169004f35cb7ee0f
Diameter
36885336
Circumference
115878700.60279
Area
1.0685562017443E+15
Volume
2.6276036357482E+22
Surface area
4.2742248069774E+15
Circumference
115878700.60279
Perimeter
73770672
Area
340132002958224
Diagonal
26081871.211944
Surface area
2040792017749344
Volume
6.2729416067335E+21
Space diagonal
31943638.003125
Perimeter
55328004
Area
1.4728147760095E+14
Altitude
15971819.001562
Surface area
1.4728147760095E+14
Volume
7.3927325801809E+20
Height
8693957.0706481