18081965 is an odd 8-digits composite number following 18081964
and preceding 18081966 . In scientific notation, it is written as 1.8081965 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 12175360 positive integers (up to 18081965) that are relatively prime to 18081965.
18081965 has 8 divisors, whose sum is 19494720
The reverse of 18081965 is 56918081
Previous prime number is 19339
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million eighty-one thousand nine hundred sixty-five
Scientific notation
1.8081965 × 10^7
Engineering notation
1.8081965 × 10^6
Prime Factorization
55 × 19339 × 17
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18081965
Product of the distinct prime numbers
The prime factorization of 18081965 is 55 × 19339 × 17.
Since it has a total of 3 prime factors.
4 , 1 , 58 , 37 , 96 , 471 , 7136 , 3421 , 21769 , 35298 , 508740 , 44359 , 3054875 , 3087712 , 41718145 , 64161139 , 664143505 , 861979281 , 4557854523 , 8458939760
n×2
36163930
n×3
54245895
n×4
72327860
n×5
90409825
n÷2
9040982.5
n÷3
6027321.6666667
n÷3
4520491.25
n÷5
3616393
n2
326957458261225
n3
5.9120333167684E+21
n4
1.0690117951264E+29
n5
1.9329833864063E+36
2 √n
4252.2893833793
3 √n
262.47133171423
4 √n
65.20958045701
5 √n
28.278028305177
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18081964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18081965 can be divided by 8 positive divisors.
The sum of these divisors (counting 18081965) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100111110100010101101
3
Ternary
1021000122210102
4
Quaternary
1010332202231
5
Quinary
14112110330
6
Senary
1443320445
8
Octal
104764255
10
Decimal
18081965
12
Duodecimal
6080125
16
Hexadecimal
113e8ad
20
Vigesimal
5d04i5
36
Base36
ark4t
md5
ed3e4af7d370ba4586e2bb08bff0b55d
sha1
9afc4d017eeb6317c98e77e2079750f0fc93d016
sha256
7cea864a6be11ae5b3943f7086d0e58b1aabd801cbd3c7528c6064fb726440f7
sha512
7c95f04fe3606e04f88cd79aa4ae0dadc755d484fcf09a1b16bfcc29d68f0b1e8d3a48df303d19d547dde1b8c7e3bcf4a8ce3fd38e074fb2abde580692b1e951
ripemd-160
c21e5ee29afcf23d43dc4c83eb2a8e0783b2cfa7
Diameter
36163930
Circumference
113612336.81294
Area
1.0271671489099E+15
Volume
2.476426724765E+22
Surface area
4.1086685956394E+15
Circumference
113612336.81294
Perimeter
72327860
Area
326957458261225
Diagonal
25571760.137356
Surface area
1961744749567350
Volume
5.9120333167684E+21
Space diagonal
31318882.080682
Perimeter
54245895
Area
1.4157673240551E+14
Altitude
15659441.040341
Surface area
1.4157673240551E+14
Volume
6.9673980814796E+20
Height
8523920.0457852