21358 is an even 5-digits composite number following 21357
and preceding 21359 . In scientific notation, it is written as 2.1358 × 10^4.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 10440 positive integers (up to 21358) that are relatively prime to 21358.
21358 has 8 divisors, whose sum is 32760
The reverse of 21358 is 85312
Previous prime number is 181
Is Prime? no
Number parity even
Number length 5
Sum of Digits 19
Digital Root 1
Name
twenty-one thousand three hundred fifty-eight
Scientific notation
2.1358 × 10^4
Engineering notation
2.1358 × 10^3
Prime Factorization
2 × 181 × 59
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21358
Product of the distinct prime numbers
The prime factorization of 21358 is 2 × 181 × 59.
Since it has a total of 3 prime factors.
10 , 7 , 96 , 23 , 670 , 209 , 1232 , 7211 , 9382 , 20724 , 296549 , 693452 , 5505412 , 5247182 , 4234361 , 56309253 , 554062883 , 418106980 , 7941212586 , 2353508109
n×2
42716
n×3
64074
n×4
85432
n×5
106790
n÷2
10679
n÷3
7119.3333333333
n÷3
5339.5
n÷5
4271.6
n2
456164164
n3
9742754214712
n4
208085744517818896
n5
4.4442953314116E+21
2 √n
146.14376483449
3 √n
27.745136176474
4 √n
12.088993541006
5 √n
7.3436524741925
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
-21357
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 21358 can be divided by 8 positive divisors.
The sum of these divisors (counting 21358) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001101101110
3
Ternary
1002022001
4
Quaternary
11031232
5
Quinary
1140413
6
Senary
242514
8
Octal
51556
10
Decimal
21358
12
Duodecimal
1043a
16
Hexadecimal
536e
20
Vigesimal
2d7i
36
Base36
gha
md5
cdf8cce6a4faee958d05df52054add74
sha1
f69b5306bcb52aa92b81ab5185baee25965f574a
sha256
ebe6d917ffca806eecdb373803e9e859e0839ebeb9eff2d6fe109eb776ccb515
sha512
09a2972348afd27b9b347f758912805c7697b284270b8b712764dc84e1d43d262a72d69c9cd1dc44379ac98d611f6d80db2abace34a0cc2f6d1499dd5065a71c
ripemd-160
c06a2c28d897be5f9be7ad1388c165f5f9bad6f5
Diameter
42716
Circumference
134196.27179074
Area
1433081986.4533
Volume
40810353422227
Surface area
5732327945.8133
Circumference
134196.27179074
Perimeter
85432
Area
456164164
Diagonal
30204.773265165
Surface area
2736984984
Volume
9742754214712
Space diagonal
36993.141148056
Perimeter
64074
Area
197524877.16005
Altitude
18496.570574028
Surface area
197524877.16005
Volume
1148194595442.8
Height
10068.257755055