18381965 is an odd 8-digits composite number following 18381964
and preceding 18381966 . In scientific notation, it is written as 1.8381965 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 12604752 positive integers (up to 18381965) that are relatively prime to 18381965.
18381965 has 4 divisors, whose sum is 18907200
The reverse of 18381965 is 56918381
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million three hundred eighty-one thousand nine hundred sixty-five
Scientific notation
1.8381965 × 10^7
Engineering notation
1.8381965 × 10^6
Prime Factorization
35 × 525199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18381965
Product of the distinct prime numbers
The prime factorization of 18381965 is 35 × 525199.
Since it has a total of 2 prime factors.
5 , 5 , 89 , 54 , 774 , 192 , 6737 , 6128 , 50308 , 16775 , 608290 , 84383 , 7143778 , 2280402 , 54518154 , 99032992 , 125208388 , 234837050 , 6307024385 , 3618683896
n×2
36763930
n×3
55145895
n×4
73527860
n×5
91909825
n÷2
9190982.5
n÷3
6127321.6666667
n÷3
4595491.25
n÷5
3676393
n2
337896637261225
n3
6.2112041597535E+21
n4
1.1417413747244E+29
n5
2.0987449989237E+36
2 √n
4287.4193869973
3 √n
263.91494141474
4 √n
65.478388701901
5 √n
28.371244532714
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18381964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18381965 can be divided by 4 positive divisors.
The sum of these divisors (counting 18381965) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110000111110010001101
3
Ternary
1021120220022112
4
Quaternary
1012013302031
5
Quinary
14201210330
6
Senary
1453553405
8
Octal
106076215
10
Decimal
18381965
12
Duodecimal
61a5865
16
Hexadecimal
1187c8d
20
Vigesimal
5ehei5
36
Base36
axzm5
md5
6ffb561605d2bdbac589f095abd1cc1d
sha1
ee0f42b8be0f0135d35dded23664e38b81a9aa07
sha256
c4fa0bbae855a3267c3a2a571b0ded90f2a5bba3be6259750b622f59330d4e52
sha512
2dda484c867c51923e0e61db3f9bd458980bcc078d2d032a80f5a429b672a61e62e8ec999386c59d7143b99784a0c2a63b61f70bf5bc69a4a9d3a53200775569
ripemd-160
843ce172dd8ffff898383aff0f8dc02833c9db54
Diameter
36763930
Circumference
115497292.40509
Area
1.0615335932926E+15
Volume
2.6017431144304E+22
Surface area
4.2461343731702E+15
Circumference
115497292.40509
Perimeter
73527860
Area
337896637261225
Diagonal
25996024.206068
Surface area
2027379823567350
Volume
6.2112041597535E+21
Space diagonal
31838497.322953
Perimeter
55145895
Area
1.4631353586078E+14
Altitude
15919248.661476
Surface area
1.4631353586078E+14
Volume
7.3199743011597E+20
Height
8665341.4020225