21087536 is an even 8-digits composite number following 21087535
and preceding 21087537 . In scientific notation, it is written as 2.1087536 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors.
There are 10543760 positive integers (up to 21087536) that are relatively prime to 21087536.
21087536 has 10 divisors, whose sum is 40857132
The reverse of 21087536 is 63578012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-seven thousand five hundred thirty-six
Scientific notation
2.1087536 × 10^7
Engineering notation
2.1087536 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1317971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2635942
Product of the distinct prime numbers
The prime factorization of 21087536 is 2 × 2 × 2 × 2 × 1317971.
Since it has a total of 5 prime factors.
1 , 10 , 58 , 75 , 974 , 798 , 1289 , 1978 , 83895 , 30387 , 54567 , 535390 , 822933 , 1580766 , 84888234 , 92510209 , 988020540 , 719788082 , 3959542558 , 5877469845
n×2
42175072
n×3
63262608
n×4
84350144
n×5
105437680
n÷2
10543768
n÷3
7029178.6666667
n÷3
5271884
n÷5
4217507.2
n2
444684174551296
n3
9.3772935394807E+21
n4
1.9774401509637E+29
n5
4.1699340371292E+36
2 √n
4592.1167232552
3 √n
276.27522779646
4 √n
67.765158623405
5 √n
29.161184954119
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21087535
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21087536 can be divided by 10 positive divisors.
The sum of these divisors (counting 21087536) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010000011100010100110000
3
Ternary
1110200100122212
4
Quaternary
1100130110300
5
Quinary
20344300121
6
Senary
2031551252
8
Octal
120342460
10
Decimal
21087536
12
Duodecimal
708b528
16
Hexadecimal
141c530
20
Vigesimal
6bfigg
36
Base36
cjz8w
md5
c91c7b1314778c7e08a994b7bfda9121
sha1
5634bc5bbc7fb27ca46ead2d8c78cb6edadbe7ff
sha256
903c1ae350e6e9f9c566c065495970351907f52228c352639a7518be19b8d8dd
sha512
6ac875a28a4c03a5f1340b4983d02467d5b9708b2fdc6f6f289ae9cb8039d0f9484e742363d4864ff3e66201a26b87bdf6c9aa3de33f7ccb3754e7939a62b291
ripemd-160
1ea0662057c9b7dbc6d4828d1a20b8a0201a4b23
Diameter
42175072
Circumference
132496896.35982
Area
1.397016535938E+15
Volume
3.9279515325584E+22
Surface area
5.588066143752E+15
Circumference
132496896.35982
Perimeter
84350144
Area
444684174551296
Diagonal
29822279.408231
Surface area
2668105047307776
Volume
9.3772935394807E+21
Space diagonal
36524683.758438
Perimeter
63262608
Area
1.9255389591117E+14
Altitude
18262341.879219
Surface area
1.9255389591117E+14
Volume
1.1051246418239E+21
Height
9940759.8027436