21132538 is an even 8-digits composite number following 21132537
and preceding 21132539 . In scientific notation, it is written as 2.1132538 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8662896 positive integers (up to 21132538) that are relatively prime to 21132538.
21132538 has 16 divisors, whose sum is 37802880
The reverse of 21132538 is 83523112
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred thirty-two thousand five hundred thirty-eight
Scientific notation
2.1132538 × 10^7
Engineering notation
2.1132538 × 10^6
Prime Factorization
2 × 23 × 7 × 65629
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21132538
Product of the distinct prime numbers
The prime factorization of 21132538 is 2 × 23 × 7 × 65629.
Since it has a total of 4 prime factors.
2 , 8 , 17 , 80 , 357 , 880 , 3931 , 2987 , 90096 , 10543 , 540024 , 316936 , 7889792 , 606245 , 35882086 , 79772898 , 958822171 , 447819270 , 8299523333 , 6149683240
n×2
42265076
n×3
63397614
n×4
84530152
n×5
105662690
n÷2
10566269
n÷3
7044179.3333333
n÷3
5283134.5
n÷5
4226507.6
n2
446584162321444
n3
9.4374567804561E+21
n4
1.9943741403635E+29
n5
4.2146187307448E+36
2 √n
4597.0140308683
3 √n
276.4716171719
4 √n
67.801283401336
5 √n
29.173620668358
1 , 2 , 7 , 14 , 23 , 46 , 161 , 322 , 65629 , 131258 , 459403 , 918806 , 1509467 , 3018934 , 10566269 , 21132538
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
-21132537
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 21132538 can be divided by 16 positive divisors.
The sum of these divisors (counting 21132538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111010011111010
3
Ternary
1110202122101121
4
Quaternary
1100213103322
5
Quinary
20402220123
6
Senary
2032535454
8
Octal
120472372
10
Decimal
21132538
12
Duodecimal
70b158a
16
Hexadecimal
14274fa
20
Vigesimal
6c1b6i
36
Base36
ckxyy
md5
a4b045a8ffacea7f1bebc742386febc2
sha1
0a3039c504923797a251ffd486cb4629b09a4bf6
sha256
88c93c55c24d3d30628468b9c92827a16849b014cb4781d5d47190bb639eee85
sha512
07b94747b5866efbad0c40e12106510eb706903d0c5f516ac0f2285206ee2bb45df083c2d4dd97059d24efe1d698cc1c84b644a3c9b24fa5d8c29e71f06b2778
ripemd-160
0b1ba8e7a81632f7a734c6550fb6280e92b42560
Diameter
42265076
Circumference
132779652.26501
Area
1.4029855235586E+15
Volume
3.9531526520069E+22
Surface area
5.6119420942344E+15
Circumference
132779652.26501
Perimeter
84530152
Area
446584162321444
Diagonal
29885921.846965
Surface area
2679504973928664
Volume
9.4374567804561E+21
Space diagonal
36602629.50888
Perimeter
63397614
Area
1.9337661474908E+14
Altitude
18301314.75444
Surface area
1.9337661474908E+14
Volume
1.1122149477692E+21
Height
9961973.9489883