21124 is an even 5-digits composite number following 21123
and preceding 21125 . In scientific notation, it is written as 2.1124 × 10^4.
The sum of its digits is 10. It has a total of 3 prime factors and 6 positive divisors.
There are 10560 positive integers (up to 21124) that are relatively prime to 21124.
21124 has 6 divisors, whose sum is 36974
The reverse of 21124 is 42112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 10
Digital Root 1
Name
twenty-one thousand one hundred twenty-four
Scientific notation
2.1124 × 10^4
Engineering notation
2.1124 × 10^3
Prime Factorization
2 × 2 × 5281
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10562
Product of the distinct prime numbers
The prime factorization of 21124 is 2 × 2 × 5281.
Since it has a total of 3 prime factors.
5 , 8 , 62 , 96 , 572 , 226 , 4868 , 6305 , 92170 , 86970 , 904177 , 253992 , 8762022 , 9012469 , 32906 , 65702386 , 750219887 , 45269787 , 5735803027 , 7887548979
n×2
42248
n×3
63372
n×4
84496
n×5
105620
n÷2
10562
n÷3
7041.3333333333
n÷3
5281
n÷5
4224.8
n2
446223376
n3
9426022594624
n4
199115301288837376
n5
4.2061116244254E+21
2 √n
145.34097839219
3 √n
27.64343786626
4 √n
12.055744622054
5 √n
7.3274899551948
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21123
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21124 can be divided by 6 positive divisors.
The sum of these divisors (counting 21124) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101001010000100
3
Ternary
1001222101
4
Quaternary
11022010
5
Quinary
1133444
6
Senary
241444
8
Octal
51204
10
Decimal
21124
12
Duodecimal
10284
16
Hexadecimal
5284
20
Vigesimal
2cg4
36
Base36
gas
md5
6a979d4a9cf85135408529edc8a133d0
sha1
03f80d9a7264e55197d7979d4244ab47728861b2
sha256
1a455b216c6e916943acf3fa4c7e57a7a5cac66d97cc51befca810c223ef9c23
sha512
a1340c27503760b261ed039933ed1d8cab9b5513eff330a2a5dc72ebf5fb679dc72dc2c802ecae2d0b066a31f87be6c81f4de649be3e0ea55c0aac240a282096
ripemd-160
6d1929cd103eb0b00fbc8169b5501122589e0c10
Diameter
42248
Circumference
132726.00642886
Area
1401852079.9016
Volume
39483631114456
Surface area
5607408319.6065
Circumference
132726.00642886
Perimeter
84496
Area
446223376
Diagonal
29873.847291569
Surface area
2677340256
Volume
9426022594624
Space diagonal
36587.841259085
Perimeter
63372
Area
193220389.68923
Altitude
18293.920629542
Surface area
193220389.68923
Volume
1110867416046
Height
9957.9490971898