21131276 is an even 8-digits composite number following 21131275
and preceding 21131277 . In scientific notation, it is written as 2.1131276 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10482192 positive integers (up to 21131276) that are relatively prime to 21131276.
21131276 has 12 divisors, whose sum is 37271808
The reverse of 21131276 is 67213112
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred thirty-one thousand two hundred seventy-six
Scientific notation
2.1131276 × 10^7
Engineering notation
2.1131276 × 10^6
Prime Factorization
2 × 2 × 127 × 41597
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10565638
Product of the distinct prime numbers
The prime factorization of 21131276 is 2 × 2 × 127 × 41597.
Since it has a total of 4 prime factors.
8 , 8 , 40 , 21 , 515 , 606 , 5191 , 8397 , 27012 , 38310 , 945529 , 901241 , 3400525 , 3297081 , 73808420 , 14465464 , 484305999 , 499667748 , 7510266920 , 9704166986
n×2
42262552
n×3
63393828
n×4
84525104
n×5
105656380
n÷2
10565638
n÷3
7043758.6666667
n÷3
5282819
n÷5
4226255.2
n2
446530825388176
n3
9.4357661137854E+21
n4
1.9938977802185E+29
n5
4.2133604309584E+36
2 √n
4596.8767658052
3 √n
276.46611358738
4 √n
67.800271133715
5 √n
29.173272220019
1 , 2 , 4 , 127 , 254 , 508 , 41597 , 83194 , 166388 , 5282819 , 10565638 , 21131276
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
-21131275
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 21131276 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131276) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111000000001100
3
Ternary
1110202120122212
4
Quaternary
1100213000030
5
Quinary
20402200101
6
Senary
2032525552
8
Octal
120470014
10
Decimal
21131276
12
Duodecimal
70b08b8
16
Hexadecimal
142700c
20
Vigesimal
6c183g
36
Base36
ckwzw
md5
4b603f8822720056b5421d7e0609cfa3
sha1
26b7872910eb580d049c3ea7b256dd104328d82d
sha256
864cfbac2c0ffa32c125c6ec8853377daceb4beced4322469ceaaa631c7f5035
sha512
61d327500bc9b1d0165b442f02324066395651be2fe908ee1432bd857cae18ad96d3d2423a08636559eafc7933fba7c4d1d6e1ec0e03dc8487621c8eded7557a
ripemd-160
e47b155c6f5cdd5207e4725dcb786b0b8009f3c2
Diameter
42262552
Circumference
132771722.88516
Area
1.4028179606409E+15
Volume
3.9524444672079E+22
Surface area
5.6112718425635E+15
Circumference
132771722.88516
Perimeter
84525104
Area
446530825388176
Diagonal
29884137.109449
Surface area
2679184952329056
Volume
9.4357661137854E+21
Space diagonal
36600443.660761
Perimeter
63393828
Area
1.933535191795E+14
Altitude
18300221.83038
Surface area
1.933535191795E+14
Volume
1.1120157007913E+21
Height
9961379.036483