28291238 is an even 8-digits composite number following 28291237
and preceding 28291239 . In scientific notation, it is written as 2.8291238 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 14117320 positive integers (up to 28291238) that are relatively prime to 28291238.
28291238 has 8 divisors, whose sum is 42521760
The reverse of 28291238 is 83219282
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million two hundred ninety-one thousand two hundred thirty-eight
Scientific notation
2.8291238 × 10^7
Engineering notation
2.8291238 × 10^6
Prime Factorization
2 × 509 × 27791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28291238
Product of the distinct prime numbers
The prime factorization of 28291238 is 2 × 509 × 27791.
Since it has a total of 3 prime factors.
1 , 10 , 86 , 74 , 646 , 847 , 7626 , 2648 , 14496 , 82955 , 567536 , 154217 , 3767783 , 4989450 , 10565849 , 57786866 , 135366068 , 237197547 , 9233425802 , 843416745
n×2
56582476
n×3
84873714
n×4
113164952
n×5
141456190
n÷2
14145619
n÷3
9430412.6666667
n÷3
7072809.5
n÷5
5658247.6
n2
800394147572644
n3
2.2644141322785E+22
n4
6.4063079146854E+29
n5
1.8124238191565E+37
2 √n
5318.9508363962
3 √n
304.70808942432
4 √n
72.931137632675
5 √n
30.926472757626
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
-28291237
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 28291238 can be divided by 8 positive divisors.
The sum of these divisors (counting 28291238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011000010100110
3
Ternary
1222020100021122
4
Quaternary
1223323002212
5
Quinary
24220304423
6
Senary
2450213542
8
Octal
153730246
10
Decimal
28291238
12
Duodecimal
95842b2
16
Hexadecimal
1afb0a6
20
Vigesimal
8gg81i
36
Base36
gudnq
md5
4626759c84b8fb90135f1d68bb1dbbd2
sha1
9c02bca61f7d2337e006869e53dba5372ec7b2a3
sha256
05ec60b6954347a4cb660822976658eaf6a18a4e545c44e41bfa238c22be6a59
sha512
962331bdcd53150f5cf41ba16aa0144ce58d84f10c39b5271ae35ae4855c7b8c0b22c3ad526346a67ede7786f60ad073602d859829ee389071800146875e7f85
ripemd-160
f2ac21c1538d42dfa4e3a93b48eceb9c5862c86e
Diameter
56582476
Circumference
177759090.92352
Area
2.5145123739905E+15
Volume
9.485155736868E+22
Surface area
1.0058049495962E+16
Circumference
177759090.92352
Perimeter
113164952
Area
800394147572644
Diagonal
40009852.475925
Surface area
4802364885435864
Volume
2.2644141322785E+22
Space diagonal
49001861.625023
Perimeter
84873714
Area
3.4658083241915E+14
Altitude
24500930.812512
Surface area
3.4658083241915E+14
Volume
2.6686376472479E+21
Height
13336617.491975