21088 is an even 5-digits composite number following 21087
and preceding 21089 . In scientific notation, it is written as 2.1088 × 10^4.
The sum of its digits is 19. It has a total of 6 prime factors and 12 positive divisors.
There are 10528 positive integers (up to 21088) that are relatively prime to 21088.
21088 has 12 divisors, whose sum is 41580
The reverse of 21088 is 88012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 19
Digital Root 1
Name
twenty-one thousand eighty-eight
Scientific notation
2.1088 × 10^4
Engineering notation
2.1088 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 659
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1318
Product of the distinct prime numbers
The prime factorization of 21088 is 2 × 2 × 2 × 2 × 2 × 659.
Since it has a total of 6 prime factors.
1 , 9 , 81 , 29 , 158 , 856 , 8070 , 8498 , 92900 , 79226 , 502269 , 435191 , 6585036 , 7244249 , 95069631 , 23654056 , 783305848 , 301977314 , 6676321449 , 8246424640
n×2
42176
n×3
63264
n×4
84352
n×5
105440
n÷2
10544
n÷3
7029.3333333333
n÷3
5272
n÷5
4217.6
n2
444703744
n3
9377912553472
n4
197761419927617536
n5
4.1703928234336E+21
2 √n
145.21707888537
3 √n
27.627725412401
4 √n
12.050604917819
5 √n
7.3249907159882
1 , 2 , 4 , 8 , 16 , 32 , 659 , 1318 , 2636 , 5272 , 10544 , 21088
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21087
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21088 can be divided by 12 positive divisors.
The sum of these divisors (counting 21088) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001001100000
3
Ternary
1001221001
4
Quaternary
11021200
5
Quinary
1133323
6
Senary
241344
8
Octal
51140
10
Decimal
21088
12
Duodecimal
10254
16
Hexadecimal
5260
20
Vigesimal
2ce8
36
Base36
g9s
md5
b9cf16c6bc32c1f73bd7a762c6dc43e0
sha1
88e28953ec5073309afa8421586e626552535f0c
sha256
e4601657db43de263e21fa346d3f48b2bcaa887a16967456028f6f041526b665
sha512
80bc6bd3f966a42eb5cc07342b98482dee117ca9c58685755ad35032cad7670e15a8e9ab087f58f881265a924f477adfcbec2967f3ddab80a3b20aed323d22fc
ripemd-160
a4620ad60abf43d0757ee55dfb2c49e8be3aada6
Diameter
42176
Circumference
132499.8117578
Area
1397078015.1743
Volume
39282108245327
Surface area
5588312060.6971
Circumference
132499.8117578
Perimeter
84352
Area
444703744
Diagonal
29822.935603324
Surface area
2668222464
Volume
9377912553472
Space diagonal
36525.487430012
Perimeter
63264
Area
192562369.73103
Altitude
18262.743715006
Surface area
192562369.73103
Volume
1105197593322.4
Height
9940.9785344413