18986225 is an odd 8-digits composite number following 18986224
and preceding 18986226 . In scientific notation, it is written as 1.8986225 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 14389200 positive integers (up to 18986225) that are relatively prime to 18986225.
18986225 has 12 divisors, whose sum is 24782640
The reverse of 18986225 is 52268981
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million nine hundred eighty-six thousand two hundred twenty-five
Scientific notation
1.8986225 × 10^7
Engineering notation
1.8986225 × 10^6
Prime Factorization
5 × 5 × 19 × 39971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3797245
Product of the distinct prime numbers
The prime factorization of 18986225 is 5 × 5 × 19 × 39971.
Since it has a total of 4 prime factors.
3 , 9 , 62 , 68 , 752 , 996 , 1109 , 1072 , 17728 , 63558 , 924639 , 763666 , 9352899 , 4952184 , 77285440 , 88578526 , 947884533 , 390597003 , 570904719 , 2125693336
n×2
37972450
n×3
56958675
n×4
75944900
n×5
94931125
n÷2
9493112.5
n÷3
6328741.6666667
n÷3
4746556.25
n÷5
3797245
n2
360476739750625
n3
6.8440924881718E+21
n4
1.2994347990124E+29
n5
2.4671361466879E+36
2 √n
4357.3185561765
3 √n
266.77566290853
4 √n
66.009988306138
5 √n
28.55536558405
1 , 5 , 19 , 25 , 95 , 475 , 39971 , 199855 , 759449 , 999275 , 3797245 , 18986225
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18986224
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18986225 can be divided by 12 positive divisors.
The sum of these divisors (counting 18986225) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011011010011110001
3
Ternary
1022201121012112
4
Quaternary
1020123103301
5
Quinary
14330024400
6
Senary
1514535105
8
Octal
110332361
10
Decimal
18986225
12
Duodecimal
6437495
16
Hexadecimal
121b4f1
20
Vigesimal
5id5b5
36
Base36
baxv5
md5
642dd8b94b812dce509cb53ca35e8d02
sha1
017c6254bda0615cfcb7837de1762d6ec66e8572
sha256
08895af3e12c50c50c17ffc7d6bb922b16d335d3b9872fb9074861852a59faa9
sha512
62aecd178194b8a41c150832181c0b149a06b1e3a01cac1fe9683b2fb7aa205cfdb8ac482529b84a6a1419666a5daf8c726adf1488a7148126d6dff17fe9dc86
ripemd-160
899736a1ec9284e73e99a575822591f00f23589f
Diameter
37972450
Circumference
119293969.95881
Area
1.1324710773906E+15
Volume
2.8668467575106E+22
Surface area
4.5298843095623E+15
Circumference
119293969.95881
Perimeter
75944900
Area
360476739750625
Diagonal
26850576.893267
Surface area
2162860438503750
Volume
6.8440924881718E+21
Space diagonal
32885106.343934
Perimeter
56958675
Area
1.5609100704872E+14
Altitude
16442553.171967
Surface area
1.5609100704872E+14
Volume
8.0658403490903E+20
Height
8950192.2977557