21037531 is an odd 8-digits composite number following 21037530
and preceding 21037532 . In scientific notation, it is written as 2.1037531 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20723472 positive integers (up to 21037531) that are relatively prime to 21037531.
21037531 has 4 divisors, whose sum is 21351592
The reverse of 21037531 is 13573012
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million thirty-seven thousand five hundred thirty-one
Scientific notation
2.1037531 × 10^7
Engineering notation
2.1037531 × 10^6
Prime Factorization
67 × 313993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21037531
Product of the distinct prime numbers
The prime factorization of 21037531 is 67 × 313993.
Since it has a total of 2 prime factors.
5 , 6 , 16 , 36 , 742 , 282 , 9903 , 4010 , 53032 , 61368 , 550853 , 299658 , 9436880 , 5539980 , 44898504 , 905219 , 407125109 , 375075945 , 9721810821 , 5113813432
n×2
42075062
n×3
63112593
n×4
84150124
n×5
105187655
n÷2
10518765.5
n÷3
7012510.3333333
n÷3
5259382.75
n÷5
4207506.2
n2
442577710575961
n3
9.3107423061508E+21
n4
1.9587502989866E+29
n5
4.120727013619E+36
2 √n
4586.6688347863
3 √n
276.05667725628
4 √n
67.724949869205
5 √n
29.147341798949
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21037530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21037531 can be divided by 4 positive divisors.
The sum of these divisors (counting 21037531) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010000000111011011
3
Ternary
1110120211001211
4
Quaternary
1100100013123
5
Quinary
20341200111
6
Senary
2030523551
8
Octal
120200733
10
Decimal
21037531
12
Duodecimal
70665b7
16
Hexadecimal
14101db
20
Vigesimal
6b9dgb
36
Base36
ciwnv
md5
7bc9398cafb541023eebf89db9939c39
sha1
09683f607f469787ba0f0e176d6ff799a8956a4a
sha256
637c47442cad3d4ed525ca1ac8eb61f8786116cd9cc445ab937444dc811f04e2
sha512
58c7b3afedf5b85ba58a77b7c8283dc49a9d07004388517c36cc70332f1ccc528aca7603f8070c5dc25dc117bb3bd5f6e6374aec7e450f8fcf3555c0edff979a
ripemd-160
b34419a6771f6f601abd370fcfe7b05c50a2e962
Diameter
42075062
Circumference
132182705.67854
Area
1.390398884188E+15
Volume
3.9000746171295E+22
Surface area
5.5615955367521E+15
Circumference
132182705.67854
Perimeter
84150124
Area
442577710575961
Diagonal
29751561.659044
Surface area
2655466263455766
Volume
9.3107423061508E+21
Space diagonal
36438072.557805
Perimeter
63112593
Area
1.9164177025377E+14
Altitude
18219036.278903
Surface area
1.9164177025377E+14
Volume
1.09728150376E+21
Height
9917187.2196815