21037530 is an even 8-digits composite number following 21037529
and preceding 21037531 . In scientific notation, it is written as 2.1037530 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 5428800 positive integers (up to 21037530) that are relatively prime to 21037530.
21037530 has 32 divisors, whose sum is 52121088
The reverse of 21037530 is 03573012
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million thirty-seven thousand five hundred thirty
Scientific notation
2.1037530 × 10^7
Engineering notation
2.1037530 × 10^6
Prime Factorization
2 × 5 × 3 × 31 × 22621
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21037530
Product of the distinct prime numbers
The prime factorization of 21037530 is 2 × 5 × 3 × 31 × 22621.
Since it has a total of 5 prime factors.
7 , 2 , 8 , 4 , 220 , 255 , 276 , 4118 , 60460 , 46518 , 100569 , 785795 , 8196453 , 4818082 , 59853270 , 14585451 , 935740092 , 977576759 , 9993924330 , 5528579145
n×2
42075060
n×3
63112590
n×4
84150120
n×5
105187650
n÷2
10518765
n÷3
7012510
n÷3
5259382.5
n÷5
4207506
n2
442577668500900
n3
9.3107409784177E+21
n4
1.9587499265569E+29
n5
4.1207260342439E+36
2 √n
4586.6687257747
3 √n
276.05667288225
4 √n
67.724949064394
5 √n
29.147341521851
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 31 , 62 , 93 , 155 , 186 , 310 , 465 , 930 , 22621 , 45242 , 67863 , 113105 , 135726 , 226210 , 339315 , 678630 , 701251 , 1402502 , 2103753 , 3506255 , 4207506 , 7012510 , 10518765 , 21037530
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21037529
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21037530 can be divided by 32 positive divisors.
The sum of these divisors (counting 21037530) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000010000000111011010
3
Ternary
1110120211001210
4
Quaternary
1100100013122
5
Quinary
20341200110
6
Senary
2030523550
8
Octal
120200732
10
Decimal
21037530
12
Duodecimal
70665b6
16
Hexadecimal
14101da
20
Vigesimal
6b9dga
36
Base36
ciwnu
md5
8d9b02408e2c7587bfd395f35f15d7ab
sha1
6db495201d6e535e0c42b94e23a69e2d4d072778
sha256
af01cb902925a5e94afc99cd28b4bb3544c590ade943369f1c277618621dbd74
sha512
083758ced76c4b5f773da3b8c6a41484c1af5a27d5d713ffb256587e5737ac30a5390cc06ce62e0f6dcd2275f7dd458d342a83e1ef50461d5280b41c5f4d211d
ripemd-160
f31c9c941c937a7723d79d1100de14de2d3fa10f
Diameter
42075060
Circumference
132182699.39535
Area
1.3903987520053E+15
Volume
3.9000740609699E+22
Surface area
5.5615950080213E+15
Circumference
132182699.39535
Perimeter
84150120
Area
442577668500900
Diagonal
29751560.244831
Surface area
2655466011005400
Volume
9.3107409784177E+21
Space diagonal
36438070.825754
Perimeter
63112590
Area
1.9164175203473E+14
Altitude
18219035.412877
Surface area
1.9164175203473E+14
Volume
1.0972813472851E+21
Height
9917186.748277