21352585 is an odd 8-digits composite number following 21352584
and preceding 21352586 . In scientific notation, it is written as 2.1352585 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 17082064 positive integers (up to 21352585) that are relatively prime to 21352585.
21352585 has 4 divisors, whose sum is 25623108
The reverse of 21352585 is 58525312
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred fifty-two thousand five hundred eighty-five
Scientific notation
2.1352585 × 10^7
Engineering notation
2.1352585 × 10^6
Prime Factorization
5 × 4270517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21352585
Product of the distinct prime numbers
The prime factorization of 21352585 is 5 × 4270517.
Since it has a total of 2 prime factors.
8 , 9 , 85 , 8 , 902 , 228 , 5303 , 1237 , 66477 , 60906 , 855307 , 22301 , 6871451 , 7298506 , 93159046 , 58649305 , 719595883 , 240495963 , 3875931860 , 7029364343
n×2
42705170
n×3
64057755
n×4
85410340
n×5
106762925
n÷2
10676292.5
n÷3
7117528.3333333
n÷3
5338146.25
n÷5
4270517
n2
455932886182225
n3
9.7353457065013E+21
n4
2.0787479670245E+29
n5
4.4386642659469E+36
2 √n
4620.8857376049
3 √n
277.42791190814
4 √n
67.977097154886
5 √n
29.234124480143
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21352584
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21352585 can be divided by 4 positive divisors.
The sum of these divisors (counting 21352585) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011101000010001001
3
Ternary
1111011211020111
4
Quaternary
1101131002021
5
Quinary
20431240320
6
Senary
2041354321
8
Octal
121350211
10
Decimal
21352585
12
Duodecimal
71989a1
16
Hexadecimal
145d089
20
Vigesimal
6d9195
36
Base36
cpnrd
md5
bfc4856c7280b65e979f3714f453bd25
sha1
cdf54e8fc0853eed8c82791bedb7aa0fbd4ee993
sha256
0b06c27a910062ae66302a817fefc02f0c2b50c339558413491cf38972b46876
sha512
75ee86a509bbd3d08a27aab4e791c4f91e612c95aec9b480c081f3265ac3351233fd3ae4c67fca1eda2000003522d5c5fdf19dcb05c62769adfb497772765158
ripemd-160
9f18cf7df9ddeee6c42b7d74960ab65e02943e34
Diameter
42705170
Circumference
134162248.3423
Area
1.4323554057601E+15
Volume
4.0779320735602E+22
Surface area
5.7294216230403E+15
Circumference
134162248.3423
Perimeter
85410340
Area
455932886182225
Diagonal
30197115.298724
Surface area
2735597317093350
Volume
9.7353457065013E+21
Space diagonal
36983762.092933
Perimeter
64057755
Area
1.9742473092728E+14
Altitude
18491881.046467
Surface area
1.9742473092728E+14
Volume
1.1473214943771E+21
Height
10065705.099575