18320813 is an odd 8-digits composite number following 18320812
and preceding 18320814 . In scientific notation, it is written as 1.8320813 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 15703548 positive integers (up to 18320813) that are relatively prime to 18320813.
18320813 has 4 divisors, whose sum is 20938080
The reverse of 18320813 is 31802381
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighteen million three hundred twenty thousand eight hundred thirteen
Scientific notation
1.8320813 × 10^7
Engineering notation
1.8320813 × 10^6
Prime Factorization
7 × 2617259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18320813
Product of the distinct prime numbers
The prime factorization of 18320813 is 7 × 2617259.
Since it has a total of 2 prime factors.
9 , 5 , 10 , 67 , 931 , 58 , 2266 , 1438 , 81525 , 92958 , 183288 , 229719 , 9327267 , 3968081 , 16105445 , 81413732 , 641526806 , 669472849 , 9140876746 , 1782093174
n×2
36641626
n×3
54962439
n×4
73283252
n×5
91604065
n÷2
9160406.5
n÷3
6106937.6666667
n÷3
4580203.25
n÷5
3664162.6
n2
335652188980969
n3
6.149420987361E+21
n4
1.1266239196772E+29
n5
2.0640666153732E+36
2 √n
4280.2818832409
3 √n
263.62195757047
4 √n
65.423863255244
5 √n
28.35234261808
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
-18320812
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 18320813 can be divided by 4 positive divisors.
The sum of these divisors (counting 18320813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101111000110110101101
3
Ternary
1021110210102122
4
Quaternary
1011320312231
5
Quinary
14142231223
6
Senary
1452402325
8
Octal
105706655
10
Decimal
18320813
12
Duodecimal
61763a5
16
Hexadecimal
1178dad
20
Vigesimal
5ea20d
36
Base36
awofh
md5
5fe8917f23f2c610dcc2bd2899c0d4ff
sha1
8cd93bb2325483715b91e41b15870cd497477349
sha256
8ecd37e8685ee4a33011082db05c264c11c1d1a9bba7b4c916866070fd4be878
sha512
416c030a14210a2f9695495edfefca61fa4f4a00d568bc70db851317c83f9f2e80e8e05f4588bddc799c6ad5b712ca42ee0b3656abbf8c540874cb0c90d6fb68
ripemd-160
9379b779debc1549716359cd3f17b2c6c7a99e5b
Diameter
36641626
Circumference
115113063.05718
Area
1.0544824510639E+15
Volume
2.5758634396966E+22
Surface area
4.2179298042558E+15
Circumference
115113063.05718
Perimeter
73283252
Area
335652188980969
Diagonal
25909542.218301
Surface area
2013913133885814
Volume
6.149420987361E+21
Space diagonal
31732578.951968
Perimeter
54962439
Area
1.4534166124669E+14
Altitude
15866289.475984
Surface area
1.4534166124669E+14
Volume
7.2471621342231E+20
Height
8636514.0727671