18308908 is an even 8-digits composite number following 18308907
and preceding 18308909 . In scientific notation, it is written as 1.8308908 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 9143280 positive integers (up to 18308908) that are relatively prime to 18308908.
18308908 has 12 divisors, whose sum is 32079712
The reverse of 18308908 is 80980381
Previous prime number is 997
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million three hundred eight thousand nine hundred eight
Scientific notation
1.8308908 × 10^7
Engineering notation
1.8308908 × 10^6
Prime Factorization
2 × 2 × 997 × 4591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9154454
Product of the distinct prime numbers
The prime factorization of 18308908 is 2 × 2 × 997 × 4591.
Since it has a total of 4 prime factors.
4 , 2 , 33 , 47 , 662 , 359 , 3150 , 5866 , 55304 , 20444 , 428830 , 312063 , 7957716 , 5147344 , 65970313 , 33340508 , 624320701 , 958381346 , 8113369435 , 5712210380
n×2
36617816
n×3
54926724
n×4
73235632
n×5
91544540
n÷2
9154454
n÷3
6102969.3333333
n÷3
4577227
n÷5
3661781.6
n2
335216112152464
n3
6.1374409575171E+21
n4
1.1236984184661E+29
n5
2.0573690963442E+36
2 √n
4278.8909778119
3 √n
263.56484403081
4 √n
65.413232436655
5 √n
28.348656947514
1 , 2 , 4 , 997 , 1994 , 3988 , 4591 , 9182 , 18364 , 4577227 , 9154454 , 18308908
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
-18308907
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 18308908 can be divided by 12 positive divisors.
The sum of these divisors (counting 18308908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101110101111100101100
3
Ternary
1021110012002201
4
Quaternary
1011311330230
5
Quinary
14141341113
6
Senary
1452231244
8
Octal
105657454
10
Decimal
18308908
12
Duodecimal
616b524
16
Hexadecimal
1175f2c
20
Vigesimal
5e8c58
36
Base36
awf8s
md5
bd1d3d608645ad302593e5846a421888
sha1
0ec1149d1e34470433279e294c775d7772b20f91
sha256
32aa6a68a749239cfbbb735a32c533ce4e211bf6a7f827cbdd364ad2d9c1211e
sha512
ae956ebe5214fa8926c4423ac04b494010ef434642d029da442992acaf1adbb1b997bfb6c20093ef77ffbb793576e013b0388d1fd3ff4a2dd0468688b2fe7de9
ripemd-160
762f671824fc252008cc4d786d77e983eb385aff
Diameter
36617816
Circumference
115038261.7361
Area
1.0531124753031E+15
Volume
2.5708452565303E+22
Surface area
4.2124499012125E+15
Circumference
115038261.7361
Perimeter
73235632
Area
335216112152464
Diagonal
25892706.005841
Surface area
2011296672914784
Volume
6.1374409575171E+21
Space diagonal
31711958.887104
Perimeter
54926724
Area
1.4515283444094E+14
Altitude
15855979.443552
Surface area
1.4515283444094E+14
Volume
7.2330435336541E+20
Height
8630902.0019471