21131268 is an even 8-digits composite number following 21131267
and preceding 21131269 . In scientific notation, it is written as 2.1131268 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 6672960 positive integers (up to 21131268) that are relatively prime to 21131268.
21131268 has 24 divisors, whose sum is 51901920
The reverse of 21131268 is 86213112
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred thirty-one thousand two hundred sixty-eight
Scientific notation
2.1131268 × 10^7
Engineering notation
2.1131268 × 10^6
Prime Factorization
2 × 2 × 3 × 19 × 92681
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10565634
Product of the distinct prime numbers
The prime factorization of 21131268 is 2 × 2 × 3 × 19 × 92681.
Since it has a total of 5 prime factors.
2 , 3 , 41 , 40 , 561 , 754 , 3018 , 4935 , 6475 , 68019 , 127593 , 388833 , 1235694 , 6352322 , 71151625 , 21178445 , 328405670 , 769768244 , 4898579000 , 1246518291
n×2
42262536
n×3
63393804
n×4
84525072
n×5
105656340
n÷2
10565634
n÷3
7043756
n÷3
5282817
n÷5
4226253.6
n2
446530487287824
n3
9.4357553970496E+21
n4
1.993894760775E+29
n5
4.2133524553733E+36
2 √n
4596.8758956491
3 √n
276.46607869867
4 √n
67.80026471666
5 √n
29.173270011102
1 , 2 , 3 , 4 , 6 , 12 , 19 , 38 , 57 , 76 , 114 , 228 , 92681 , 185362 , 278043 , 370724 , 556086 , 1112172 , 1760939 , 3521878 , 5282817 , 7043756 , 10565634 , 21131268
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131268 can be divided by 24 positive divisors.
The sum of these divisors (counting 21131268) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100111000000000100
3
Ternary
1110202120122120
4
Quaternary
1100213000010
5
Quinary
20402200033
6
Senary
2032525540
8
Octal
120470004
10
Decimal
21131268
12
Duodecimal
70b08b0
16
Hexadecimal
1427004
20
Vigesimal
6c1838
36
Base36
ckwzo
md5
3030a2cf61c4bfced07578033a4d8f93
sha1
ba17040ca0619654bf961f8ee55c44e63dc925e3
sha256
9db3aae2a0e14e5474b922a4a4a483886eb42c1f70db6a7611e3c6b77e7f0815
sha512
db3a3d714e145fedd36038d6f0cc06b98474ca8cc3376d561ba3d12411ca9d7a563eb0330f002185a35b429ad4990cbefcfc1a5a5feb0c77a3014f75db7c23f5
ripemd-160
ec88f5bb65b80582681532ff9dea0238d041d18f
Diameter
42262536
Circumference
132771672.61967
Area
1.4028168984673E+15
Volume
3.9524399781922E+22
Surface area
5.6112675938692E+15
Circumference
132771672.61967
Perimeter
84525072
Area
446530487287824
Diagonal
29884125.795741
Surface area
2679182923726944
Volume
9.4357553970496E+21
Space diagonal
36600429.804354
Perimeter
63393804
Area
1.9335337277775E+14
Altitude
18300214.902177
Surface area
1.9335337277775E+14
Volume
1.1120144378119E+21
Height
9961375.2652469