28288520 is an even 8-digits composite number following 28288519
and preceding 28288521 . In scientific notation, it is written as 2.8288520 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors.
There are 10444800 positive integers (up to 28288520) that are relatively prime to 28288520.
28288520 has 32 divisors, whose sum is 68546520
The reverse of 28288520 is 02588282
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million two hundred eighty-eight thousand five hundred twenty
Scientific notation
2.8288520 × 10^7
Engineering notation
2.8288520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 13 × 54401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7072130
Product of the distinct prime numbers
The prime factorization of 28288520 is 2 × 2 × 2 × 5 × 13 × 54401.
Since it has a total of 6 prime factors.
5 , 5 , 85 , 80 , 69 , 144 , 7185 , 5444 , 17791 , 55192 , 854659 , 764495 , 8458026 , 5402813 , 37406016 , 88731557 , 653537606 , 42854457 , 8453140387 , 2619123378
n×2
56577040
n×3
84865560
n×4
113154080
n×5
141442600
n÷2
14144260
n÷3
9429506.6666667
n÷3
7072130
n÷5
5657704
n2
800240363790400
n3
2.2637615535892E+22
n4
6.4038463983939E+29
n5
1.8115533691789E+37
2 √n
5318.6953287437
3 √n
304.69833112494
4 √n
72.929385906805
5 √n
30.925878500256
1 , 2 , 4 , 5 , 8 , 10 , 13 , 20 , 26 , 40 , 52 , 65 , 104 , 130 , 260 , 520 , 54401 , 108802 , 217604 , 272005 , 435208 , 544010 , 707213 , 1088020 , 1414426 , 2176040 , 2828852 , 3536065 , 5657704 , 7072130 , 14144260 , 28288520
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
-28288519
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 28288520 can be divided by 32 positive divisors.
The sum of these divisors (counting 28288520) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011111010011000001000
3
Ternary
1222020012112222
4
Quaternary
1223322120020
5
Quinary
24220213040
6
Senary
2450153212
8
Octal
153723010
10
Decimal
28288520
12
Duodecimal
9582808
16
Hexadecimal
1afa608
20
Vigesimal
8gg160
36
Base36
gubk8
md5
eab72daecba975b237f90d2689d6d68b
sha1
464d2c76bf4fe07995451030a697c4a25571f9dd
sha256
1483c800f5402528c85901821fd3d47979f988a2fe336a5062fb9c67eded4ef2
sha512
cafb381da341b27cc3b20b66ab2ea18bf21c5f1af5f0d1b61601fd11617d058f4ee480344c27b290b85f4d310371e2359dbded46b89a55a5159652a9248c79a7
ripemd-160
673cf83fb3b44357e8f9301bcd90b1e2da41387d
Diameter
56577040
Circumference
177742013.22586
Area
2.5140292479899E+15
Volume
9.4824222216465E+22
Surface area
1.005611699196E+16
Circumference
177742013.22586
Perimeter
113154080
Area
800240363790400
Diagonal
40006008.643463
Surface area
4801442182742400
Volume
2.2637615535892E+22
Space diagonal
48997153.910928
Perimeter
84865560
Area
3.4651424208809E+14
Altitude
24498576.955464
Surface area
3.4651424208809E+14
Volume
2.6678685758872E+21
Height
13335336.214488