21032812 is an even 8-digits composite number following 21032811
and preceding 21032813 . In scientific notation, it is written as 2.1032812 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 10507136 positive integers (up to 21032812) that are relatively prime to 21032812.
21032812 has 12 divisors, whose sum is 36839880
The reverse of 21032812 is 21823012
Previous prime number is 2657
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-two thousand eight hundred twelve
Scientific notation
2.1032812 × 10^7
Engineering notation
2.1032812 × 10^6
Prime Factorization
2 × 2 × 2657 × 1979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10516406
Product of the distinct prime numbers
The prime factorization of 21032812 is 2 × 2 × 2657 × 1979.
Since it has a total of 4 prime factors.
2 , 2 , 55 , 21 , 945 , 593 , 3558 , 8551 , 85954 , 81963 , 703025 , 353925 , 4059411 , 8197807 , 36534866 , 32689736 , 954596026 , 656955025 , 2018935783 , 3120012485
n×2
42065624
n×3
63098436
n×4
84131248
n×5
105164060
n÷2
10516406
n÷3
7010937.3333333
n÷3
5258203
n÷5
4206562.4
n2
442379180627344
n3
9.304478138849E+21
n4
1.9569933945252E+29
n5
4.116107415229E+36
2 √n
4586.154380306
3 √n
276.03603464258
4 √n
67.721151646336
5 √n
29.146034053768
1 , 2 , 4 , 1979 , 2657 , 3958 , 5314 , 7916 , 10628 , 5258203 , 10516406 , 21032812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21032811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21032812 can be divided by 12 positive divisors.
The sum of these divisors (counting 21032812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001110111101101100
3
Ternary
1110120120121001
4
Quaternary
1100032331230
5
Quinary
20341022222
6
Senary
2030450044
8
Octal
120167554
10
Decimal
21032812
12
Duodecimal
7063924
16
Hexadecimal
140ef6c
20
Vigesimal
6b920c
36
Base36
cit0s
md5
dc24f4aebc45b40a3bfdda2567c01058
sha1
99f626bbbc88929d84bb3d6634c8f33c3823ed62
sha256
b4c0386a7e5051d39bf9643b973af5d0fcb95c549247943362fbf9ea4b42158e
sha512
f833b8d089417d47317fa2df2e8af22bf743448168453281f9607c43f52ab39eacf3a2733e8d44d5b94a2504996642874d40102e6ed11fc1e1f76572ebba9216
ripemd-160
e6cff0c3ea43a531ad27c504f3cee2fd533ce4b0
Diameter
42065624
Circumference
132153055.32707
Area
1.3897751839599E+15
Volume
3.897450688866E+22
Surface area
5.5591007358397E+15
Circumference
132153055.32707
Perimeter
84131248
Area
442379180627344
Diagonal
29744887.985244
Surface area
2654275083764064
Volume
9.304478138849E+21
Space diagonal
36429899.010044
Perimeter
63098436
Area
1.9155580426431E+14
Altitude
18214949.505022
Surface area
1.9155580426431E+14
Volume
1.0965432645637E+21
Height
9914962.6617479