21037538 is an even 8-digits composite number following 21037537
and preceding 21037539 . In scientific notation, it is written as 2.1037538 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10495296 positive integers (up to 21037538) that are relatively prime to 21037538.
21037538 has 8 divisors, whose sum is 31626732
The reverse of 21037538 is 83573012
Previous prime number is 457
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million thirty-seven thousand five hundred thirty-eight
Scientific notation
2.1037538 × 10^7
Engineering notation
2.1037538 × 10^6
Prime Factorization
2 × 457 × 23017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21037538
Product of the distinct prime numbers
The prime factorization of 21037538 is 2 × 457 × 23017.
Since it has a total of 3 prime factors.
9 , 8 , 32 , 96 , 237 , 944 , 759 , 9869 , 67598 , 72620 , 444485 , 453877 , 3893522 , 7785775 , 38083083 , 34453000 , 904339439 , 717252655 , 5694010878 , 8943777021
n×2
42075076
n×3
63112614
n×4
84150152
n×5
105187690
n÷2
10518769
n÷3
7012512.6666667
n÷3
5259384.5
n÷5
4207507.6
n2
442578005101444
n3
9.3107516002858E+21
n4
1.9587529059957E+29
n5
4.1207338692496E+36
2 √n
4586.6695978673
3 √n
276.05670787452
4 √n
67.724955502882
5 √n
29.147343738639
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21037537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21037538 can be divided by 8 positive divisors.
The sum of these divisors (counting 21037538) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010000000111100010
3
Ternary
1110120211002002
4
Quaternary
1100100013202
5
Quinary
20341200123
6
Senary
2030524002
8
Octal
120200742
10
Decimal
21037538
12
Duodecimal
7066602
16
Hexadecimal
14101e2
20
Vigesimal
6b9dgi
36
Base36
ciwo2
md5
2b81b52c0b3c5a9376698631688eb54a
sha1
f216394735b644e7e9ad73e99c54133297021902
sha256
860df82ad3fa68afb3f194d2c710f51d67b8c9da5c2239c659e709e2f4e66eec
sha512
872924e342b7a9b30aee2b6954b9e3fd5e9be2b00c64f9aae7d94cfb522f5350f148ce47c5357a4e32d3f36638bc024ac4a05e074feb6f2f7ca94fa0551f04ad
ripemd-160
5186fb8906ed878edcf9b48dd7d5a4796947a6d7
Diameter
42075076
Circumference
132182749.66083
Area
1.3903998094671E+15
Volume
3.9000785102476E+22
Surface area
5.5615992378685E+15
Circumference
132182749.66083
Perimeter
84150152
Area
442578005101444
Diagonal
29751571.558539
Surface area
2655468030608664
Volume
9.3107516002858E+21
Space diagonal
36438084.682161
Perimeter
63112614
Area
1.9164189778704E+14
Altitude
18219042.34108
Surface area
1.9164189778704E+14
Volume
1.0972825990843E+21
Height
9917190.5195131