28231668 is an even 8-digits composite number following 28231667
and preceding 28231669 . In scientific notation, it is written as 2.8231668 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 9410544 positive integers (up to 28231668) that are relatively prime to 28231668.
28231668 has 18 divisors, whose sum is 71363474
The reverse of 28231668 is 86613282
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million two hundred thirty-one thousand six hundred sixty-eight
Scientific notation
2.8231668 × 10^7
Engineering notation
2.8231668 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 784213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4705278
Product of the distinct prime numbers
The prime factorization of 28231668 is 2 × 2 × 3 × 3 × 784213.
Since it has a total of 5 prime factors.
4 , 9 , 97 , 17 , 829 , 652 , 9448 , 4876 , 88677 , 87985 , 885879 , 835496 , 2422716 , 8683714 , 77211997 , 63237455 , 48606730 , 690725585 , 5053431587 , 7161633618
n×2
56463336
n×3
84695004
n×4
112926672
n×5
141158340
n÷2
14115834
n÷3
9410556
n÷3
7057917
n÷5
5646333.6
n2
797027078062224
n3
2.2501403854863E+22
n4
6.3525216316441E+29
n5
1.7934228166739E+37
2 √n
5313.34809701
3 √n
304.49407480361
4 √n
72.892716350881
5 √n
30.913438025142
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 784213 , 1568426 , 2352639 , 3136852 , 4705278 , 7057917 , 9410556 , 14115834 , 28231668
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28231667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28231668 can be divided by 18 positive divisors.
The sum of these divisors (counting 28231668) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1101011101100011111110100
3
Ternary
1222010022120100
4
Quaternary
1223230133310
5
Quinary
24211403133
6
Senary
2445034100
8
Octal
153543764
10
Decimal
28231668
12
Duodecimal
9555930
16
Hexadecimal
1aec7f4
20
Vigesimal
8g8j38
36
Base36
gt3p0
md5
27de3b0080f9cfa92679da963233b996
sha1
9efb8c6265cfad33c02605ecb12558a069b4e80d
sha256
32ff20ccd03b5944307f05c350b34eaab3f2df59bdbd77993649d901c948bba1
sha512
091d2691be7c4920b7650a8e6bd52ad500245fa20b2178a4f893dfbf8ec92412e37a0b92ed33acb479ba31483698155ecb96dde989e49af5ef2c9b089a6475e0
ripemd-160
cfabc1642076291dc983e53265517bfcf232e30a
Diameter
56463336
Circumference
177384801.57477
Area
2.5039344131524E+15
Volume
9.4253660061192E+22
Surface area
1.001573765261E+16
Circumference
177384801.57477
Perimeter
112926672
Area
797027078062224
Diagonal
39925607.774015
Surface area
4782162468373344
Volume
2.2501403854863E+22
Space diagonal
48898683.358416
Perimeter
84695004
Area
3.4512284855298E+14
Altitude
24449341.679208
Surface area
3.4512284855298E+14
Volume
2.6518158753318E+21
Height
13308535.924672