18266988 is an even 8-digits composite number following 18266987
and preceding 18266989 . In scientific notation, it is written as 1.8266988 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 6088992 positive integers (up to 18266988) that are relatively prime to 18266988.
18266988 has 12 divisors, whose sum is 42623000
The reverse of 18266988 is 88966281
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million two hundred sixty-six thousand nine hundred eighty-eight
Scientific notation
1.8266988 × 10^7
Engineering notation
1.8266988 × 10^6
Prime Factorization
2 × 2 × 3 × 1522249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9133494
Product of the distinct prime numbers
The prime factorization of 18266988 is 2 × 2 × 3 × 1522249.
Since it has a total of 4 prime factors.
9 , 4 , 32 , 44 , 180 , 905 , 61 , 8223 , 24636 , 25603 , 273429 , 435456 , 4696606 , 9085752 , 17553640 , 93416176 , 910066166 , 158589260 , 2840170733 , 2333660703
n×2
36533976
n×3
54800964
n×4
73067952
n×5
91334940
n÷2
9133494
n÷3
6088996
n÷3
4566747
n÷5
3653397.6
n2
333682850592144
n3
6.0953806275725E+21
n4
1.113442447793E+29
n5
2.0339239832525E+36
2 √n
4273.9897051818
3 √n
263.36353799061
4 √n
65.375757779025
5 √n
28.335663648768
1 , 2 , 3 , 4 , 6 , 12 , 1522249 , 3044498 , 4566747 , 6088996 , 9133494 , 18266988
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
-18266987
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 18266988 can be divided by 12 positive divisors.
The sum of these divisors (counting 18266988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101101011101101101100
3
Ternary
1021101001121010
4
Quaternary
1011223231230
5
Quinary
14134020423
6
Senary
1451305220
8
Octal
105535554
10
Decimal
18266988
12
Duodecimal
614b210
16
Hexadecimal
116bb6c
20
Vigesimal
5e3798
36
Base36
aviwc
md5
d4413cf85c7c202ae1b4bb07a7376411
sha1
2474dc05e597ec36a35a41e933c5731b61541bf4
sha256
7a69099ca956368c0c5d9a761a7e8295d68b73ef88515b1401169a6411e429a1
sha512
1d73bc492a41d30057506f89eb5e80f5e45ed156162852debdb70c004550910a48fc6ee22609862840f64c729e4b595c2e328e384678c0b5110b7fc4cc290cf5
ripemd-160
14dbf743769a395a9475c445f9f34791b79346bf
Diameter
36533976
Circumference
114774870.60803
Area
1.0482955920492E+15
Volume
2.553227066722E+22
Surface area
4.1931823681967E+15
Circumference
114774870.60803
Perimeter
73067952
Area
333682850592144
Diagonal
25833422.173307
Surface area
2002097103552864
Volume
6.0953806275725E+21
Space diagonal
31639351.317251
Perimeter
54800964
Area
1.4448891271E+14
Altitude
15819675.658625
Surface area
1.4448891271E+14
Volume
7.1834749594494E+20
Height
8611140.7244355