18090969 is an odd 8-digits composite number following 18090968
and preceding 18090970 . In scientific notation, it is written as 1.8090969 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 11044800 positive integers (up to 18090969) that are relatively prime to 18090969.
18090969 has 16 divisors, whose sum is 26182464
The reverse of 18090969 is 96909081
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million ninety thousand nine hundred sixty-nine
Scientific notation
1.8090969 × 10^7
Engineering notation
1.8090969 × 10^6
Prime Factorization
3 × 13 × 131 × 3541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18090969
Product of the distinct prime numbers
The prime factorization of 18090969 is 3 × 13 × 131 × 3541.
Since it has a total of 4 prime factors.
7 , 1 , 30 , 79 , 239 , 513 , 8608 , 7985 , 86472 , 88230 , 62005 , 171059 , 8710466 , 1875960 , 63405863 , 37123489 , 863115061 , 308756184 , 3228475712 , 4067494511
n×2
36181938
n×3
54272907
n×4
72363876
n×5
90454845
n÷2
9045484.5
n÷3
6030323
n÷3
4522742.25
n÷5
3618193.8
n2
327283159358961
n3
5.920869490185E+21
n4
1.0711426639998E+29
n5
1.9378008728998E+36
2 √n
4253.3479754189
3 √n
262.51489076526
4 √n
65.217696796337
5 √n
28.280843979991
1 , 3 , 13 , 39 , 131 , 393 , 1703 , 3541 , 5109 , 10623 , 46033 , 138099 , 463871 , 1391613 , 6030323 , 18090969
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18090968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18090969 can be divided by 16 positive divisors.
The sum of these divisors (counting 18090969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101000000101111011001
3
Ternary
1021001010010220
4
Quaternary
1011000233121
5
Quinary
14112402334
6
Senary
1443430253
8
Octal
105005731
10
Decimal
18090969
12
Duodecimal
6085389
16
Hexadecimal
1140bd9
20
Vigesimal
5d1789
36
Base36
arr2x
md5
e58d66b63b8c09331496282d06fea44b
sha1
969ee106686032e75869282ff2427554d8e74d3f
sha256
910aa11d0aab478fa9a9e8701b528fbbb2c2ebebfa31ca12923c031578ba2dc1
sha512
1aac33b101e967fce4da54e9ec2fafb54e65b2fc3149e3521a7da5c065fe6054be9f3bd97580ce87d8757c48ab4d033bfbec2ced09a066ab856c0d6ba28fff9c
ripemd-160
19810c1467c6948af71668b7640f907fcacf47df
Diameter
36181938
Circumference
113668910.61344
Area
1.0281903690858E+15
Volume
2.4801280124306E+22
Surface area
4.1127614763431E+15
Circumference
113668910.61344
Perimeter
72363876
Area
327283159358961
Diagonal
25584493.716271
Surface area
1963698956153766
Volume
5.920869490185E+21
Space diagonal
31334477.466154
Perimeter
54272907
Area
1.4171776511785E+14
Altitude
15667238.733077
Surface area
1.4171776511785E+14
Volume
6.9778116117173E+20
Height
8528164.5720904