28291188 is an even 8-digits composite number following 28291187
and preceding 28291189 . In scientific notation, it is written as 2.8291188 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 9252256 positive integers (up to 28291188) that are relatively prime to 28291188.
28291188 has 12 divisors, whose sum is 49822080
The reverse of 28291188 is 88119282
Previous prime number is 159
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million two hundred ninety-one thousand one hundred eighty-eight
Scientific notation
2.8291188 × 10^7
Engineering notation
2.8291188 × 10^6
Prime Factorization
2 × 2 × 159 × 44483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14145594
Product of the distinct prime numbers
The prime factorization of 28291188 is 2 × 2 × 159 × 44483.
Since it has a total of 4 prime factors.
10 , 9 , 55 , 50 , 60 , 63 , 716 , 2893 , 65007 , 3953 , 659986 , 937099 , 4689867 , 7180279 , 21195378 , 80327928 , 469802026 , 69514013 , 1394861360 , 4123286384
n×2
56582376
n×3
84873564
n×4
113164752
n×5
141455940
n÷2
14145594
n÷3
9430396
n÷3
7072797
n÷5
5658237.6
n2
800391318451344
n3
2.2644021263875E+22
n4
6.4062626265228E+29
n5
1.8124078034433E+37
2 √n
5318.9461362191
3 √n
304.70790991746
4 √n
72.931105409277
5 √n
30.926461826151
1 , 2 , 4 , 159 , 318 , 636 , 44483 , 88966 , 177932 , 7072797 , 14145594 , 28291188
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
-28291187
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 28291188 can be divided by 12 positive divisors.
The sum of these divisors (counting 28291188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011111011000001110100
3
Ternary
1222020100012210
4
Quaternary
1223323001310
5
Quinary
24220304223
6
Senary
2450213420
8
Octal
153730164
10
Decimal
28291188
12
Duodecimal
9584270
16
Hexadecimal
1afb074
20
Vigesimal
8gg7j8
36
Base36
gudmc
md5
90051b5f851c64e8530b7de271b336f5
sha1
9984c8cd6411b31f942d74855e1925aa5cc77f8c
sha256
e6b8ae7b0c7966448be8ac829cfaf31e1424b7dd5d31b523b46eb65aa6495664
sha512
4ff19b5c66081dfd4c85f779d0a060e0c91c60f491dcac11b3b32843cf07819179f22c03a1327d370d75db0627362bfb2ffd2a51d3fc40b50855e90c7ba6eab0
ripemd-160
7f73d4ae13cea56abe6e243a4211f1540387b984
Diameter
56582376
Circumference
177758776.76426
Area
2.5145034860438E+15
Volume
9.4851054467094E+22
Surface area
1.0058013944175E+16
Circumference
177758776.76426
Perimeter
113164752
Area
800391318451344
Diagonal
40009781.765247
Surface area
4802347910708064
Volume
2.2644021263875E+22
Space diagonal
49001775.022483
Perimeter
84873564
Area
3.4657960737369E+14
Altitude
24500887.511241
Surface area
3.4657960737369E+14
Volume
2.6686234981697E+21
Height
13336593.921749