21039968 is an even 8-digits composite number following 21039967
and preceding 21039969 . In scientific notation, it is written as 2.1039968 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 12 positive divisors.
There are 10519968 positive integers (up to 21039968) that are relatively prime to 21039968.
21039968 has 12 divisors, whose sum is 41422500
The reverse of 21039968 is 86993012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million thirty-nine thousand nine hundred sixty-eight
Scientific notation
2.1039968 × 10^7
Engineering notation
2.1039968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 657499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1314998
Product of the distinct prime numbers
The prime factorization of 21039968 is 2 × 2 × 2 × 2 × 2 × 657499.
Since it has a total of 6 prime factors.
9 , 10 , 42 , 41 , 156 , 709 , 6637 , 982 , 32962 , 30916 , 506614 , 484605 , 266000 , 758679 , 18039266 , 87001757 , 52644147 , 337239530 , 8525803247 , 635364546
n×2
42079936
n×3
63119904
n×4
84159872
n×5
105199840
n÷2
10519984
n÷3
7013322.6666667
n÷3
5259992
n÷5
4207993.6
n2
442680253441024
n3
9.313978366631E+21
n4
1.9596580678661E+29
n5
4.1231143038844E+36
2 √n
4586.9344883048
3 √n
276.06733636748
4 √n
67.726911108545
5 √n
29.148017056714
1 , 2 , 4 , 8 , 16 , 32 , 657499 , 1314998 , 2629996 , 5259992 , 10519984 , 21039968
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
-21039967
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 21039968 can be divided by 12 positive divisors.
The sum of these divisors (counting 21039968) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000010000101101100000
3
Ternary
1110120221102002
4
Quaternary
1100100231200
5
Quinary
20341234333
6
Senary
2030543132
8
Octal
120205540
10
Decimal
21039968
12
Duodecimal
7067aa8
16
Hexadecimal
1410b60
20
Vigesimal
6b9ji8
36
Base36
ciyjk
md5
c431fcc9ee2ede3bbce43b8c3a8a7879
sha1
de035f25e53f722f1e76b127162436e0e044d932
sha256
88357c184c53c1a2b3ddee08c20daaa59cebf258a6b0618c7ef0a90af3e67c8f
sha512
770d0592a8654cc6e524eee58651df12cc16445b11cac4ae8a02d3f7f646dd363e196d5cc0946b6943747bb70e0fbd80ec2cd9d27caa0b74a88c99e50591617e
ripemd-160
3a6f7fbb2796c003e8987b5ac0fa34ac6476b6d4
Diameter
42079936
Circumference
132198017.80113
Area
1.3907210320996E+15
Volume
3.9014301349736E+22
Surface area
5.5628841283984E+15
Circumference
132198017.80113
Perimeter
84159872
Area
442680253441024
Diagonal
29755008.097496
Surface area
2656081520646144
Volume
9.313978366631E+21
Space diagonal
36442293.565623
Perimeter
63119904
Area
1.9168617261683E+14
Altitude
18221146.782812
Surface area
1.9168617261683E+14
Volume
1.0976628771449E+21
Height
9918336.0324986