21132911 is an odd 8-digits composite number following 21132910
and preceding 21132912 . In scientific notation, it is written as 2.1132911 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 21119952 positive integers (up to 21132911) that are relatively prime to 21132911.
21132911 has 4 divisors, whose sum is 21145872
The reverse of 21132911 is 11923112
Previous prime number is 1913
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred thirty-two thousand nine hundred eleven
Scientific notation
2.1132911 × 10^7
Engineering notation
2.1132911 × 10^6
Prime Factorization
1913 × 11047
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21132911
Product of the distinct prime numbers
The prime factorization of 21132911 is 1913 × 11047.
Since it has a total of 2 prime factors.
6 , 6 , 28 , 47 , 506 , 934 , 7116 , 7113 , 45924 , 19193 , 748872 , 573290 , 1042407 , 2061911 , 84111833 , 81363211 , 194311906 , 50801184 , 6343634860 , 6545662418
n×2
42265822
n×3
63398733
n×4
84531644
n×5
105664555
n÷2
10566455.5
n÷3
7044303.6666667
n÷3
5283227.75
n÷5
4226582.2
n2
446599927333921
n3
9.4379565169542E+21
n4
1.9945149509466E+29
n5
4.2149906946525E+36
2 √n
4597.0546005024
3 √n
276.47324378369
4 √n
67.801582581105
5 √n
29.173723653467
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
-21132910
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 21132911 can be divided by 4 positive divisors.
The sum of these divisors (counting 21132911) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111011001101111
3
Ternary
1110202122220102
4
Quaternary
1100213121233
5
Quinary
20402223121
6
Senary
2032541315
8
Octal
120473157
10
Decimal
21132911
12
Duodecimal
70b183b
16
Hexadecimal
142766f
20
Vigesimal
6c1c5b
36
Base36
cky9b
md5
7b4ffb85d6a7b920ec025b799baa96e4
sha1
3b11ea9f2315e9646278f35ad418914a208c0ae8
sha256
fd10af5c88d1e79275284039c40c6b9a1135098a735339e7e03631fb37af0272
sha512
d3961579f3515bae8bb2f662740fbf1d1006717f7a18a158ec458f7758a178c4b29d73933c60215e6c35ca8c3bac007b84db215e5f986906c5c67d6cb2ce3734
ripemd-160
d9b5e5f366621140a3d2ef450e4bba987f643388
Diameter
42265822
Circumference
132781995.89313
Area
1.403035050806E+15
Volume
3.9533619811418E+22
Surface area
5.6121402032239E+15
Circumference
132781995.89313
Perimeter
84531644
Area
446599927333921
Diagonal
29886449.348624
Surface area
2679599564003526
Volume
9.4379565169542E+21
Space diagonal
36603275.563831
Perimeter
63398733
Area
1.9338344119973E+14
Altitude
18301637.781916
Surface area
1.9338344119973E+14
Volume
1.1122738422803E+21
Height
9962149.7828745