28291288 is an even 8-digits composite number following 28291287
and preceding 28291289 . In scientific notation, it is written as 2.8291288 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 13530528 positive integers (up to 28291288) that are relatively prime to 28291288.
28291288 has 16 divisors, whose sum is 55352880
The reverse of 28291288 is 88219282
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million two hundred ninety-one thousand two hundred eighty-eight
Scientific notation
2.8291288 × 10^7
Engineering notation
2.8291288 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 153757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7072822
Product of the distinct prime numbers
The prime factorization of 28291288 is 2 × 2 × 2 × 23 × 153757.
Since it has a total of 5 prime factors.
9 , 1 , 47 , 100 , 621 , 129 , 5884 , 9929 , 81689 , 4007 , 627600 , 308959 , 5943065 , 3359555 , 73753890 , 60034379 , 735126772 , 714036833 , 8382065036 , 6307348654
n×2
56582576
n×3
84873864
n×4
113165152
n×5
141456440
n÷2
14145644
n÷3
9430429.3333333
n÷3
7072822
n÷5
5658257.6
n2
800396976698944
n3
2.2644261382119E+22
n4
6.4063532030881E+29
n5
1.8124398349829E+37
2 √n
5318.9555365692
3 √n
304.70826893096
4 √n
72.931169856031
5 √n
30.926483689085
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 153757 , 307514 , 615028 , 1230056 , 3536411 , 7072822 , 14145644 , 28291288
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
-28291287
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 28291288 can be divided by 16 positive divisors.
The sum of these divisors (counting 28291288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111011000011011000
3
Ternary
1222020100100111
4
Quaternary
1223323003120
5
Quinary
24220310123
6
Senary
2450214104
8
Octal
153730330
10
Decimal
28291288
12
Duodecimal
9584334
16
Hexadecimal
1afb0d8
20
Vigesimal
8gg848
36
Base36
gudp4
md5
13c68f0a87bff0707f29a7561bc1d651
sha1
98bdc119e4420e24d27e1d185b69b3d8650cdb0d
sha256
e5e6507b2533d881156dc8f08f9e54ecfbf317973fcf7b9d3b63febd9feeaad2
sha512
8dd1c4761021502ae138e646d76a2fcd77cebbd19c0e88a849d44000d55a831c8bd808ecf89a36562857658c394ddbaf6eeb680012ae41d749cffd6809454333
ripemd-160
7b670731ea63c9d73bdf9f9f08e76dd4646c47ee
Diameter
56582576
Circumference
177759405.08279
Area
2.5145212619529E+15
Volume
9.4852060272043E+22
Surface area
1.0058085047812E+16
Circumference
177759405.08279
Perimeter
113165152
Area
800396976698944
Diagonal
40009923.186603
Surface area
4802381860193664
Volume
2.2644261382119E+22
Space diagonal
49001948.227564
Perimeter
84873864
Area
3.4658205746677E+14
Altitude
24500974.113782
Surface area
3.4658205746677E+14
Volume
2.6686517963762E+21
Height
13336641.062201