21468 is an even 5-digits composite number following 21467
and preceding 21469 . In scientific notation, it is written as 2.1468 × 10^4.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 7152 positive integers (up to 21468) that are relatively prime to 21468.
21468 has 12 divisors, whose sum is 50120
The reverse of 21468 is 86412
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 21
Digital Root 3
Name
twenty-one thousand four hundred sixty-eight
Scientific notation
2.1468 × 10^4
Engineering notation
2.1468 × 10^3
Prime Factorization
2 × 2 × 3 × 1789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10734
Product of the distinct prime numbers
The prime factorization of 21468 is 2 × 2 × 3 × 1789.
Since it has a total of 4 prime factors.
5 , 9 , 17 , 28 , 185 , 234 , 9129 , 6663 , 48997 , 63577 , 157246 , 266462 , 9309401 , 6157050 , 40993195 , 69048012 , 976723649 , 411586807 , 5681686339 , 6557115492
n×2
42936
n×3
64404
n×4
85872
n×5
107340
n÷2
10734
n÷3
7156
n÷3
5367
n÷5
4293.6
n2
460875024
n3
9894065015232
n4
212405787747000576
n5
4.5599274513526E+21
2 √n
146.51962325914
3 √n
27.792686515351
4 √n
12.10452903913
5 √n
7.3512013339107
1 , 2 , 3 , 4 , 6 , 12 , 1789 , 3578 , 5367 , 7156 , 10734 , 21468
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
-21467
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 21468 can be divided by 12 positive divisors.
The sum of these divisors (counting 21468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001111011100
3
Ternary
1002110010
4
Quaternary
11033130
5
Quinary
1141333
6
Senary
243220
8
Octal
51734
10
Decimal
21468
12
Duodecimal
10510
16
Hexadecimal
53dc
20
Vigesimal
2dd8
36
Base36
gkc
md5
d196f1cdf8a30b4002133f8ca0fa5ba5
sha1
26f28703803ad8cf13a1e2233fbe0e3f1d149c11
sha256
7868a7bc92a6669464723153d6c982e2326339492872228434ab7bae01511b97
sha512
8df2c82615267520ac80d6d2a6edece691adcc9b64e0b420415de2e219966d04f08b32801329a0612e13cb1e3eabbcd387915a4c76736958189549970e3ac364
ripemd-160
b0ce85ec7e72c14f942cee168c0a156635235e97
Diameter
42936
Circumference
134887.42217453
Area
1447881589.6214
Volume
41444162621324
Surface area
5791526358.4857
Circumference
134887.42217453
Perimeter
85872
Area
460875024
Diagonal
30360.336757026
Surface area
2765250144
Volume
9894065015232
Space diagonal
37183.666736889
Perimeter
64404
Area
199564739.37688
Altitude
18591.833368444
Surface area
199564739.37688
Volume
1166026744295.2
Height
10120.112252342