21239916 is an even 8-digits composite number following 21239915
and preceding 21239917 . In scientific notation, it is written as 2.1239916 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 7068672 positive integers (up to 21239916) that are relatively prime to 21239916.
21239916 has 24 divisors, whose sum is 49638960
The reverse of 21239916 is 61993212
Previous prime number is 937
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million two hundred thirty-nine thousand nine hundred sixteen
Scientific notation
2.1239916 × 10^7
Engineering notation
2.1239916 × 10^6
Prime Factorization
2 × 2 × 3 × 937 × 1889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10619958
Product of the distinct prime numbers
The prime factorization of 21239916 is 2 × 2 × 3 × 937 × 1889.
Since it has a total of 5 prime factors.
6 , 4 , 61 , 63 , 271 , 579 , 9403 , 8916 , 75344 , 30112 , 982860 , 209653 , 4584348 , 2450536 , 30533701 , 3244699 , 550030704 , 785750661 , 9820367584 , 7117111497
n×2
42479832
n×3
63719748
n×4
84959664
n×5
106199580
n÷2
10619958
n÷3
7079972
n÷3
5309979
n÷5
4247983.2
n2
451134031687056
n3
9.5820489377744E+21
n4
2.0352191454622E+29
n5
4.3227883691208E+36
2 √n
4608.6783354884
3 √n
276.93909263972
4 √n
67.887247222791
5 √n
29.203207814622
1 , 2 , 3 , 4 , 6 , 12 , 937 , 1874 , 1889 , 2811 , 3748 , 3778 , 5622 , 5667 , 7556 , 11244 , 11334 , 22668 , 1769993 , 3539986 , 5309979 , 7079972 , 10619958 , 21239916
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
-21239915
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 21239916 can be divided by 24 positive divisors.
The sum of these divisors (counting 21239916) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001000001100001101100
3
Ternary
1110222002200120
4
Quaternary
1101001201230
5
Quinary
20414134131
6
Senary
2035124540
8
Octal
121014154
10
Decimal
21239916
12
Duodecimal
7143750
16
Hexadecimal
144186c
20
Vigesimal
6cejfg
36
Base36
cn8to
md5
cb1ef54b53f6b9e6f18aa368c4f631e5
sha1
a26a2da4d65659d2c06d5df428bd0ae41607e30a
sha256
e91002c2263e56935189d981ffca1ec2d6e81e0e965c59eae5f7637c9b2a3252
sha512
d2f8f77383bb1bc3da6104cabd77d1b0f3646de73b134e244116deabac233383a0cee0eeb6204cba81b6d9e7501adf89e577edb5e1574a559931c38f53972645
ripemd-160
a09382bb21d27ac8be6bf7af843183ef651f64d3
Diameter
42479832
Circumference
133454328.13693
Area
1.4172793597324E+15
Volume
4.0137192732333E+22
Surface area
5.6691174389296E+15
Circumference
133454328.13693
Perimeter
84959664
Area
451134031687056
Diagonal
30037777.270865
Surface area
2706804190122336
Volume
9.5820489377744E+21
Space diagonal
36788613.660495
Perimeter
63719748
Area
1.9534676597634E+14
Altitude
18394306.830248
Surface area
1.9534676597634E+14
Volume
1.1292552969269E+21
Height
10012592.423622