28291185 is an odd 8-digits composite number following 28291184
and preceding 28291186 . In scientific notation, it is written as 2.8291185 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 13787136 positive integers (up to 28291185) that are relatively prime to 28291185.
28291185 has 32 divisors, whose sum is 41035680
The reverse of 28291185 is 58119282
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million two hundred ninety-one thousand one hundred eighty-five
Scientific notation
2.8291185 × 10^7
Engineering notation
2.8291185 × 10^6
Prime Factorization
5 × 13 × 9 × 353 × 137
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28291185
Product of the distinct prime numbers
The prime factorization of 28291185 is 5 × 13 × 9 × 353 × 137.
Since it has a total of 5 prime factors.
2 , 7 , 47 , 92 , 353 , 353 , 5867 , 3461 , 58867 , 34497 , 143623 , 34908 , 470314 , 3906437 , 76120520 , 9899095 , 504258772 , 787094343 , 2854600004 , 6643454023
n×2
56582370
n×3
84873555
n×4
113164740
n×5
141455925
n÷2
14145592.5
n÷3
9430395
n÷3
7072796.25
n÷5
5658237
n2
800391148704225
n3
2.2644014060354E+22
n4
6.4062599092407E+29
n5
1.8124068425041E+37
2 √n
5318.9458542083
3 √n
304.70789914705
4 √n
72.931103475872
5 √n
30.926461170262
1 , 5 , 9 , 13 , 45 , 65 , 117 , 137 , 353 , 585 , 685 , 1233 , 1765 , 1781 , 3177 , 4589 , 6165 , 8905 , 15885 , 16029 , 22945 , 41301 , 48361 , 80145 , 206505 , 241805 , 435249 , 628693 , 2176245 , 3143465 , 5658237 , 28291185
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291184
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291185 can be divided by 32 positive divisors.
The sum of these divisors (counting 28291185) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011111011000001110001
3
Ternary
1222020100012200
4
Quaternary
1223323001301
5
Quinary
24220304220
6
Senary
2450213413
8
Octal
153730161
10
Decimal
28291185
12
Duodecimal
9584269
16
Hexadecimal
1afb071
20
Vigesimal
8gg7j5
36
Base36
gudm9
md5
575e1d2b56e670afa55a7ead2034e93f
sha1
e4d9ef0a7db481681b53c09fdf4a459962d25f7f
sha256
5ea863c8b0c5cbef9cf207d8e1dd9c7e46260c21a806b495db334e93eb88c668
sha512
cc273e21a276c2c64294727f4ff98534c9213cd105df7550550995487bf9280ff645c5708d2222745fbe8222157f27dcb1bdedc5c1c5437d339ac3e7aa9f35af
ripemd-160
6e715545ee132398a9ece2163e72b3a3e8ed2d65
Diameter
56582370
Circumference
177758757.9147
Area
2.5145029527675E+15
Volume
9.4851024293055E+22
Surface area
1.005801181107E+16
Circumference
177758757.9147
Perimeter
113164740
Area
800391148704225
Diagonal
40009777.522606
Surface area
4802346892225350
Volume
2.2644014060354E+22
Space diagonal
49001769.826331
Perimeter
84873555
Area
3.4657953387103E+14
Altitude
24500884.913165
Surface area
3.4657953387103E+14
Volume
2.6686226492266E+21
Height
13336592.507535