21054 is an even 5-digits composite number following 21053
and preceding 21055 . In scientific notation, it is written as 2.1054 × 10^4.
The sum of its digits is 12. It has a total of 4 prime factors and 16 positive divisors.
There are 6160 positive integers (up to 21054) that are relatively prime to 21054.
21054 has 16 divisors, whose sum is 36720
The reverse of 21054 is 45012
Previous prime number is 33
Is Prime? no
Number parity even
Number length 5
Sum of Digits 12
Digital Root 3
Name
twenty-one thousand fifty-four
Scientific notation
2.1054 × 10^4
Engineering notation
2.1054 × 10^3
Prime Factorization
2 × 11 × 33 × 29
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21054
Product of the distinct prime numbers
The prime factorization of 21054 is 2 × 11 × 33 × 29.
Since it has a total of 4 prime factors.
9 , 5 , 34 , 89 , 969 , 91 , 8454 , 8435 , 61927 , 57096 , 520768 , 573009 , 4116348 , 2859382 , 55336850 , 45599223 , 266832417 , 820724978 , 3535823705 , 3896858164
n×2
42108
n×3
63162
n×4
84216
n×5
105270
n÷2
10527
n÷3
7018
n÷3
5263.5
n÷5
4210.8
n2
443270916
n3
9332625865464
n4
196489104971479056
n5
4.1368816160695E+21
2 √n
145.099965541
3 √n
27.612869444583
4 √n
12.045744706783
5 √n
7.3226271873828
1 , 2 , 11 , 22 , 29 , 33 , 58 , 66 , 319 , 363 , 638 , 726 , 957 , 1914 , 10527 , 21054
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21053
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21054 can be divided by 16 positive divisors.
The sum of these divisors (counting 21054) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001000111110
3
Ternary
1001212210
4
Quaternary
11020332
5
Quinary
1133204
6
Senary
241250
8
Octal
51076
10
Decimal
21054
12
Duodecimal
10226
16
Hexadecimal
523e
20
Vigesimal
2cce
36
Base36
g8u
md5
79eaddfac4d679d6cc0d9b07456c4ae1
sha1
7e6d102422ec0279f4312add2f3e8ef9a475f5b4
sha256
09639155e71ca4f7306a9b3c10c2574088b07214fedd7b42eb7d06437c41893b
sha512
ba849d8da4f1dcc71006c11e8e9748d03e0bea1aa798c2dc7fd4bf79926e2ef9559c4083fbaef36acfc42eea6a0d3791ae2e91bb365f9ba92b9b6d1e76cf66e2
ripemd-160
cb5724dd80c4704610025bb006f7029c67d4ffa2
Diameter
42108
Circumference
132286.18345736
Area
1392576653.2556
Volume
39092411810192
Surface area
5570306613.0225
Circumference
132286.18345736
Perimeter
84216
Area
443270916
Diagonal
29774.852342203
Surface area
2659625496
Volume
9332625865464
Space diagonal
36466.597702555
Perimeter
63162
Area
191941937.0074
Altitude
18233.298851278
Surface area
191941937.0074
Volume
1099860505957.8
Height
9924.9507807344