12185215 is an odd 8-digits composite number following 12185214
and preceding 12185216 . In scientific notation, it is written as 1.2185215 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 8355552 positive integers (up to 12185215) that are relatively prime to 12185215.
12185215 has 8 divisors, whose sum is 16711200
The reverse of 12185215 is 51258121
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million one hundred eighty-five thousand two hundred fifteen
Scientific notation
1.2185215 × 10^7
Engineering notation
1.2185215 × 10^6
Prime Factorization
5 × 7 × 348149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12185215
Product of the distinct prime numbers
The prime factorization of 12185215 is 5 × 7 × 348149.
Since it has a total of 3 prime factors.
10 , 4 , 74 , 71 , 942 , 551 , 1356 , 3852 , 23772 , 20387 , 913768 , 756902 , 729338 , 5987800 , 74591883 , 45311380 , 531575415 , 973390028 , 3460699091 , 5902251337
n×2
24370430
n×3
36555645
n×4
48740860
n×5
60926075
n÷2
6092607.5
n÷3
4061738.3333333
n÷3
3046303.75
n÷5
2437043
n2
148479464596225
n3
1.8092541991899E+21
n4
2.2046151406782E+28
n5
2.6863709481419E+35
2 √n
3490.7327311039
3 √n
230.11471907856
4 √n
59.082423199323
5 √n
26.131638359864
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12185214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12185215 can be divided by 8 positive divisors.
The sum of these divisors (counting 12185215) is 1, the average is 0.125.
Base
System
Value
2
Binary
101110011110111001111111
3
Ternary
211221001222021
4
Quaternary
232132321333
5
Quinary
11104411330
6
Senary
1113101011
8
Octal
56367177
10
Decimal
12185215
12
Duodecimal
40b7767
16
Hexadecimal
b9ee7f
20
Vigesimal
3g330f
36
Base36
79667
md5
1095b9e7664a3126863f56d66c272d37
sha1
3df0fda0686862426a3a8bf32d5fe9ba67e33a8a
sha256
c87235adf9be2c686f2b505b409406113002eed3a2270bc711a87a8bb64d37ae
sha512
2c94d2d1fb824d51b8cc537a0386918680d7ecb7d25639bde8744e3f695631f5de8e3deaded9d7ad630c574046cad444b66986b9df249d3cac116326dbe6a698
ripemd-160
c681e6ea004b42c8b21bdf3a2bf003e3cef215fb
Diameter
24370430
Circumference
76561963.852824
Area
4.6646199518445E+14
Volume
7.5785862675353E+21
Surface area
1.8658479807378E+15
Circumference
76561963.852824
Perimeter
48740860
Area
148479464596225
Diagonal
17232496.313432
Surface area
890876787577350
Volume
1.8092541991899E+21
Space diagonal
21105411.48115
Perimeter
36555645
Area
64293494140322
Altitude
10552705.740575
Surface area
64293494140322
Volume
2.1322265218957E+20
Height
5744165.4378107