21089 is an odd 5-digits prime number following 21088
and preceding 21090 . In scientific notation, it is written as 2.1089 × 10^4.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 21088 positive integers (up to 21089) that are relatively prime to 21089.
21089 has 2 divisors, whose sum is 21090
The reverse of 21089 is 98012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
twenty-one thousand eighty-nine
Scientific notation
2.1089 × 10^4
Engineering notation
2.1089 × 10^3
Prime Factorization
21089
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21089
Product of the distinct prime numbers
The prime factorization of 21089 is 21089.
Since it has a total of 1 prime factors.
8 , 4 , 75 , 59 , 326 , 398 , 9620 , 3822 , 61579 , 77375 , 890913 , 558797 , 5317898 , 4294099 , 84850400 , 82746841 , 890922201 , 929055531 , 5615238448 , 5946359036
n×2
42178
n×3
63267
n×4
84356
n×5
105445
n÷2
10544.5
n÷3
7029.6666666667
n÷3
5272.25
n÷5
4217.8
n2
444745921
n3
9379246727969
n4
197798934246138241
n5
4.1713817243168E+21
2 √n
145.22052196573
3 √n
27.628162110819
4 √n
12.050747776206
5 √n
7.3250601853716
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21090
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10545
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
145.22396496446
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999051683262
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21089 can be divided by 2 positive divisors.
The sum of these divisors (counting 21089) is 21090, the average is 10545.
Base
System
Value
2
Binary
101001001100001
3
Ternary
1001221002
4
Quaternary
11021201
5
Quinary
1133324
6
Senary
241345
8
Octal
51141
10
Decimal
21089
12
Duodecimal
10255
16
Hexadecimal
5261
20
Vigesimal
2ce9
36
Base36
g9t
md5
77557109d117fbb70757f8f00d6ed5e4
sha1
f64067615f93daca234dbd8e1fa20f53ee1bbbd3
sha256
c3ced8d88c369e4cf9914660d8ddfc2f012a4cafa183f6565158406d102d3905
sha512
e89c4cc3ed078ec70e9e3d854a852e7364b36dabae3e3fa2430953d58bc560aa41feb98970e9beb58be7917396aa61fbb4314da27729a114e368951ba09171e8
ripemd-160
2ed151eefcad76ad6de43bee361ae80c401086ba
Diameter
42178
Circumference
132506.09494311
Area
1397210518.1276
Volume
39287696822391
Surface area
5588842072.5105
Circumference
132506.09494311
Perimeter
84356
Area
444745921
Diagonal
29824.349816886
Surface area
2668475526
Volume
9379246727969
Space diagonal
36527.21948082
Perimeter
63267
Area
192580632.90775
Altitude
18263.60974041
Surface area
192580632.90775
Volume
1105354827294.8
Height
9941.4499389621