18086945 is an odd 8-digits composite number following 18086944
and preceding 18086946 . In scientific notation, it is written as 1.8086945 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 13933440 positive integers (up to 18086945) that are relatively prime to 18086945.
18086945 has 16 divisors, whose sum is 22522752
The reverse of 18086945 is 54968081
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million eighty-six thousand nine hundred forty-five
Scientific notation
1.8086945 × 10^7
Engineering notation
1.8086945 × 10^6
Prime Factorization
5 × 41 × 83 × 1063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18086945
Product of the distinct prime numbers
The prime factorization of 18086945 is 5 × 41 × 83 × 1063.
Since it has a total of 4 prime factors.
8 , 3 , 24 , 25 , 528 , 650 , 8700 , 4178 , 15343 , 32652 , 437695 , 843320 , 8984193 , 8646940 , 28337021 , 40106391 , 533098825 , 639894002 , 4774782141 , 2659959408
n×2
36173890
n×3
54260835
n×4
72347780
n×5
90434725
n÷2
9043472.5
n÷3
6028981.6666667
n÷3
4521736.25
n÷5
3617389
n2
327137579433025
n3
5.9169194066383E+21
n4
1.070189958773E+29
n5
1.9356466923879E+36
2 √n
4252.8749099874
3 √n
262.49542546828
4 √n
65.214069877499
5 √n
28.279585758358
1 , 5 , 41 , 83 , 205 , 415 , 1063 , 3403 , 5315 , 17015 , 43583 , 88229 , 217915 , 441145 , 3617389 , 18086945
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
-18086944
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 18086945 can be divided by 16 positive divisors.
The sum of these divisors (counting 18086945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100111111110000100001
3
Ternary
1021000220121212
4
Quaternary
1010333300201
5
Quinary
14112240240
6
Senary
1443355505
8
Octal
104776041
10
Decimal
18086945
12
Duodecimal
6082b95
16
Hexadecimal
113fc21
20
Vigesimal
5d0h75
36
Base36
arnz5
md5
5a66db5c672d172cf0494c98038d16a1
sha1
c75ec5af19b56733f66b68e3a45a17bcf5eb4362
sha256
5b450ae8fdb05054d093b884eb60114bd50e77128236d784123a356312071b90
sha512
3e8638a4cdf5a3819b72692e0525e1e40238ade7377f084c1c25253df6ba7fb321c0d441be130dd5f8646a655fed9d9ee781d02b29791ac5eaa9bdf2968d654b
ripemd-160
57c00369e4252c94936847f8f36a3f1e22dcbf40
Diameter
36173890
Circumference
113643627.07577
Area
1.0277330162599E+15
Volume
2.4784734053037E+22
Surface area
4.1109320650398E+15
Circumference
113643627.07577
Perimeter
72347780
Area
327137579433025
Diagonal
25578802.920896
Surface area
1962825476598150
Volume
5.9169194066383E+21
Space diagonal
31327507.693704
Perimeter
54260835
Area
1.4165472716077E+14
Altitude
15663753.846852
Surface area
1.4165472716077E+14
Volume
6.9731563936137E+20
Height
8526267.6402987