18180830 is an even 8-digits composite number following 18180829
and preceding 18180831 . In scientific notation, it is written as 1.8180830 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 7103040 positive integers (up to 18180830) that are relatively prime to 18180830.
18180830 has 16 divisors, whose sum is 33487344
The reverse of 18180830 is 03808181
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million one hundred eighty thousand eight hundred thirty
Scientific notation
1.8180830 × 10^7
Engineering notation
1.8180830 × 10^6
Prime Factorization
2 × 5 × 43 × 42281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18180830
Product of the distinct prime numbers
The prime factorization of 18180830 is 2 × 5 × 43 × 42281.
Since it has a total of 4 prime factors.
9 , 8 , 91 , 38 , 268 , 550 , 9731 , 8329 , 23278 , 56847 , 503357 , 941890 , 9277869 , 1318612 , 37000 , 72358186 , 413798892 , 656296452 , 4171281821 , 644198922
n×2
36361660
n×3
54542490
n×4
72723320
n×5
90904150
n÷2
9090415
n÷3
6060276.6666667
n÷3
4545207.5
n÷5
3636166
n2
330542579488900
n3
6.0095384454492E+21
n4
1.0925839685518E+29
n5
1.9864083392965E+36
2 √n
4263.8984509484
3 √n
262.94882550409
4 √n
65.2985332986
5 √n
28.308883501763
1 , 2 , 5 , 10 , 43 , 86 , 215 , 430 , 42281 , 84562 , 211405 , 422810 , 1818083 , 3636166 , 9090415 , 18180830
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
-18180829
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 18180830 can be divided by 16 positive divisors.
The sum of these divisors (counting 18180830) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010110101011011110
3
Ternary
1021012200102002
4
Quaternary
1011112223132
5
Quinary
14123241310
6
Senary
1445402302
8
Octal
105265336
10
Decimal
18180830
12
Duodecimal
6109392
16
Hexadecimal
1156ade
20
Vigesimal
5dcc1a
36
Base36
atof2
md5
29fd12398fa9b6621a9ea031a8221547
sha1
21e01b2d6433e92c45c913c5e120303978e29288
sha256
ad9e7193560f9c589b6c6a4833f45cc2976b6c90b226a7e9b98d9590672b27f0
sha512
5030f1ce1a6cba58370bd73da181a5bde59828aebd7424ced7d0cc4ac30cf9e091e14c1d75f2f5bdedef74648a9bffc3e506020d36dcc78c67808f7fda9008a5
ripemd-160
501dd04145f97dcffde252a580ffb23f2384282a
Diameter
36361660
Circumference
114233523.92833
Area
1.0384301394209E+15
Volume
2.5172695775585E+22
Surface area
4.1537205576838E+15
Circumference
114233523.92833
Perimeter
72723320
Area
330542579488900
Diagonal
25711576.3612
Surface area
1983255476933400
Volume
6.0095384454492E+21
Space diagonal
31490121.283772
Perimeter
54542490
Area
1.4312913543491E+14
Altitude
15745060.641886
Surface area
1.4312913543491E+14
Volume
7.0823089776306E+20
Height
8570525.4537332