20528215 is an odd 8-digits composite number following 20528214
and preceding 20528216 . In scientific notation, it is written as 2.0528215 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16303872 positive integers (up to 20528215) that are relatively prime to 20528215.
20528215 has 8 divisors, whose sum is 24811920
The reverse of 20528215 is 51282502
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million five hundred twenty-eight thousand two hundred fifteen
Scientific notation
2.0528215 × 10^7
Engineering notation
2.0528215 × 10^6
Prime Factorization
5 × 139 × 29537
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20528215
Product of the distinct prime numbers
The prime factorization of 20528215 is 5 × 139 × 29537.
Since it has a total of 3 prime factors.
5 , 9 , 22 , 31 , 839 , 479 , 416 , 3186 , 47266 , 91868 , 863162 , 630213 , 3316139 , 8758033 , 74336048 , 37720861 , 462037012 , 56682187 , 9211654888 , 4953148046
n×2
41056430
n×3
61584645
n×4
82112860
n×5
102641075
n÷2
10264107.5
n÷3
6842738.3333333
n÷3
5132053.75
n÷5
4105643
n2
421407611086225
n3
8.6507460430144E+21
n4
1.775843746814E+29
n5
3.6454902241003E+36
2 √n
4530.8073232041
3 √n
273.8106876009
4 √n
67.311271888177
5 √n
29.004824199442
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
-20528214
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 20528215 can be divided by 8 positive divisors.
The sum of these divisors (counting 20528215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010011110001010111
3
Ternary
1102121221102021
4
Quaternary
1032103301113
5
Quinary
20223400330
6
Senary
2011554011
8
Octal
116236127
10
Decimal
20528215
12
Duodecimal
6a5b907
16
Hexadecimal
1393c57
20
Vigesimal
6860af
36
Base36
c7zo7
md5
b98f456f05f6a354b38006d41e8432b6
sha1
b3309578d79d100caf716a4406a9b0566382a3e8
sha256
4a258a6dfb9002f7b7905ac87a037a1f776184ce76005b352d94f5110ed7844e
sha512
92de19486b56bea7e5e7707930396f5af7386482800b7002b398e29368d7fca95fded082e6d3acdabdcfdf053673859f5a509a26416b2d130ffb0b6491dbe1a8
ripemd-160
5f68ce460048522498d432279441edb97a8063a1
Diameter
41056430
Circumference
128982578.87062
Area
1.3238910551553E+15
Volume
3.6236160289073E+22
Surface area
5.2955642206212E+15
Circumference
128982578.87062
Perimeter
82112860
Area
421407611086225
Diagonal
29031280.064311
Surface area
2528445666517350
Volume
8.6507460430144E+21
Space diagonal
35555911.368698
Perimeter
61584645
Area
1.8247484827439E+14
Altitude
17777955.684349
Surface area
1.8247484827439E+14
Volume
1.019500198223E+21
Height
9677093.3547703