28391206 is an even 8-digits composite number following 28391205
and preceding 28391207 . In scientific notation, it is written as 2.8391206 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 13448124 positive integers (up to 28391206) that are relatively prime to 28391206.
28391206 has 12 divisors, whose sum is 44947332
The reverse of 28391206 is 60219382
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million three hundred ninety-one thousand two hundred six
Scientific notation
2.8391206 × 10^7
Engineering notation
2.8391206 × 10^6
Prime Factorization
2 × 19 × 19 × 39323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1494274
Product of the distinct prime numbers
The prime factorization of 28391206 is 2 × 19 × 19 × 39323.
Since it has a total of 4 prime factors.
9 , 4 , 59 , 54 , 874 , 120 , 1828 , 7048 , 26651 , 94463 , 228532 , 972470 , 6588731 , 4165555 , 33969264 , 10363158 , 310751298 , 658931169 , 245274694 , 4130857006
n×2
56782412
n×3
85173618
n×4
113564824
n×5
141956030
n÷2
14195603
n÷3
9463735.3333333
n÷3
7097801.5
n÷5
5678241.2
n2
806060578134436
n3
2.2885031922294E+22
n4
6.4973365562242E+29
n5
1.8446722061909E+37
2 √n
5328.339891561
3 √n
305.06656613919
4 √n
72.995478569299
5 √n
30.94829786886
1 , 2 , 19 , 38 , 361 , 722 , 39323 , 78646 , 747137 , 1494274 , 14195603 , 28391206
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
-28391205
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 28391206 can be divided by 12 positive divisors.
The sum of these divisors (counting 28391206) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100010011011100100110
3
Ternary
1222102102102011
4
Quaternary
1230103130212
5
Quinary
24232004311
6
Senary
2452304434
8
Octal
154233446
10
Decimal
28391206
12
Duodecimal
961211a
16
Hexadecimal
1b13726
20
Vigesimal
8h8i06
36
Base36
gwism
md5
453d06eee3d40cf0295b1b1a5e015cd0
sha1
65614d183a6587fdea83dcc88828f723404ac2e2
sha256
5fec10606ab410198560ef10102c0440275b840fdd89e4559e64383e60a5cb93
sha512
d03dba4b024c02c98eabdaad101a596dab4b8be7c5fb16bc0931e631b59e7a8bb4d136987f6be5cb6ab8b66770d7ce97072acd1229ea8c23ca7f597022c883f8
ripemd-160
adcad15a8c61684c4b6b2f89f0bae872500356ad
Diameter
56782412
Circumference
178387208.39231
Area
2.5323139906155E+15
Volume
9.5860597552328E+22
Surface area
1.0129255962462E+16
Circumference
178387208.39231
Perimeter
113564824
Area
806060578134436
Diagonal
40151228.577328
Surface area
4836363468806616
Volume
2.2885031922294E+22
Space diagonal
49175011.280154
Perimeter
85173618
Area
3.490344688268E+14
Altitude
24587505.640077
Surface area
3.490344688268E+14
Volume
2.6970268766541E+21
Height
13383742.859109