18468909 is an odd 8-digits composite number following 18468908
and preceding 18468910 . In scientific notation, it is written as 1.8468909 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 12110400 positive integers (up to 18468909) that are relatively prime to 18468909.
18468909 has 12 divisors, whose sum is 27115452
The reverse of 18468909 is 90986481
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million four hundred sixty-eight thousand nine hundred nine
Scientific notation
1.8468909 × 10^7
Engineering notation
1.8468909 × 10^6
Prime Factorization
61 × 3 × 3 × 33641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6156303
Product of the distinct prime numbers
The prime factorization of 18468909 is 61 × 3 × 3 × 33641.
Since it has a total of 4 prime factors.
9 , 6 , 70 , 7 , 906 , 570 , 2910 , 7135 , 80527 , 55661 , 599591 , 399959 , 9889171 , 8952810 , 76938366 , 64511586 , 492018396 , 678448607 , 4912624250 , 4334034048
n×2
36937818
n×3
55406727
n×4
73875636
n×5
92344545
n÷2
9234454.5
n÷3
6156303
n÷3
4617227.25
n÷5
3693781.8
n2
341100599650281
n3
6.2997559347865E+21
n4
1.1634961908178E+29
n5
2.1488505270061E+36
2 √n
4297.5468583833
3 √n
264.33038010949
4 √n
65.555677544994
5 √n
28.398032265314
1 , 3 , 9 , 61 , 183 , 549 , 33641 , 100923 , 302769 , 2052101 , 6156303 , 18468909
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
-18468908
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 18468909 can be divided by 12 positive divisors.
The sum of these divisors (counting 18468909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110011101000000101101
3
Ternary
1021202022120200
4
Quaternary
1012131000231
5
Quinary
14212001114
6
Senary
1455504113
8
Octal
106350055
10
Decimal
18468909
12
Duodecimal
6228039
16
Hexadecimal
119d02d
20
Vigesimal
5f8c59
36
Base36
azup9
md5
7a34dcb4c206b738ade957e634fef2b5
sha1
101c72587fea2f9700e1e483508d1a61edae1246
sha256
2172ffd8095a27f1fa70f3b98cbbe3fc55048b0d820ceca6023bd546d628aa26
sha512
04aa197a5b9a5c456a9a5c26d7f4c7cd6035e1a9afe8681d3fdbe3f18e8e146951306bb280b4ab88c53df5b990a40d1ffd918012ad81f321b97850fdc8d461e5
ripemd-160
21c05154c0136a68e5baaa4751d7805b6f2de61c
Diameter
36937818
Circumference
116043577.66844
Area
1.0715991379964E+15
Volume
2.6388355952179E+22
Surface area
4.2863965519856E+15
Circumference
116043577.66844
Perimeter
73875636
Area
341100599650281
Diagonal
26118981.590035
Surface area
2046603597901686
Volume
6.2997559347865E+21
Space diagonal
31989088.748366
Perimeter
55406727
Area
1.4770089227162E+14
Altitude
15994544.374183
Surface area
1.4770089227162E+14
Volume
7.4243335688462E+20
Height
8706327.1966782