18189968 is an even 8-digits composite number following 18189967
and preceding 18189969 . In scientific notation, it is written as 1.8189968 × 10^7.
The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors.
There are 9075840 positive integers (up to 18189968) that are relatively prime to 18189968.
18189968 has 20 divisors, whose sum is 35317308
The reverse of 18189968 is 86998181
Previous prime number is 653
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million one hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
1.8189968 × 10^7
Engineering notation
1.8189968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 653 × 1741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2273746
Product of the distinct prime numbers
The prime factorization of 18189968 is 2 × 2 × 2 × 2 × 653 × 1741.
Since it has a total of 6 prime factors.
7 , 2 , 47 , 26 , 520 , 172 , 6280 , 1041 , 21800 , 21127 , 124046 , 781911 , 4861408 , 7572902 , 7656476 , 57409263 , 279367828 , 35669393 , 3742492245 , 8023568624
n×2
36379936
n×3
54569904
n×4
72759872
n×5
90949840
n÷2
9094984
n÷3
6063322.6666667
n÷3
4547492
n÷5
3637993.6
n2
330874935841024
n3
6.0186044949503E+21
n4
1.094782231678E+29
n5
1.9914053761192E+36
2 √n
4264.969870937
3 √n
262.99287233643
4 √n
65.306736795961
5 √n
28.311728636831
1 , 2 , 4 , 8 , 16 , 653 , 1306 , 1741 , 2612 , 3482 , 5224 , 6964 , 10448 , 13928 , 27856 , 1136873 , 2273746 , 4547492 , 9094984 , 18189968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18189967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18189968 can be divided by 20 positive divisors.
The sum of these divisors (counting 18189968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000101011000111010010000
3
Ternary
1021020010221112
4
Quaternary
1011120322100
5
Quinary
14124034333
6
Senary
1445512452
8
Octal
105307220
10
Decimal
18189968
12
Duodecimal
6112728
16
Hexadecimal
1158e90
20
Vigesimal
5ddei8
36
Base36
atvgw
md5
1e7bc66a5cf85aa871143f4311a927e1
sha1
0c180e37412c72348669ed959189d53a280ae6a0
sha256
711f382ec448fe27c9d5b96c34f491e0b6bfc6bc6ac5738c9c6cabcb4aabcf15
sha512
8d204dd2f24d569b5bb18306028c6eb9278ebf4287d673df08ae838bf6b3259f66ba937a0f63aa5671f9d698ec3ca6a5e834a858b4cd65c61fb78c5bf5d802ee
ripemd-160
fdb99078b026af3802d25d2d0523edd56f94edfe
Diameter
36379936
Circumference
114290939.67567
Area
1.0394742676952E+15
Volume
2.5210671554931E+22
Surface area
4.1578970707806E+15
Circumference
114290939.67567
Perimeter
72759872
Area
330874935841024
Diagonal
25724499.444733
Surface area
1985249615046144
Volume
6.0186044949503E+21
Space diagonal
31505948.764052
Perimeter
54569904
Area
1.4327304995694E+14
Altitude
15752974.382026
Surface area
1.4327304995694E+14
Volume
7.092993419432E+20
Height
8574833.1482442