21297072 is an even 8-digits composite number following 21297071
and preceding 21297073 . In scientific notation, it is written as 2.1297072 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 7099008 positive integers (up to 21297072) that are relatively prime to 21297072.
21297072 has 20 divisors, whose sum is 55017560
The reverse of 21297072 is 27079212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred ninety-seven thousand seventy-two
Scientific notation
2.1297072 × 10^7
Engineering notation
2.1297072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 443689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2662134
Product of the distinct prime numbers
The prime factorization of 21297072 is 2 × 2 × 2 × 2 × 3 × 443689.
Since it has a total of 6 prime factors.
2 , 10 , 42 , 18 , 411 , 242 , 2869 , 7994 , 20933 , 58671 , 934639 , 603895 , 9219049 , 3192571 , 20102059 , 51695461 , 636830936 , 64294219 , 2951663684 , 193059809
n×2
42594144
n×3
63891216
n×4
85188288
n×5
106485360
n÷2
10648536
n÷3
7099024
n÷3
5324268
n÷5
4259414.4
n2
453565275773184
n3
9.6596123348414E+21
n4
2.057214593872E+29
n5
4.3812647325144E+36
2 √n
4614.8750795661
3 √n
277.18728184706
4 √n
67.932871863083
5 √n
29.218907921909
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 443689 , 887378 , 1331067 , 1774756 , 2662134 , 3549512 , 5324268 , 7099024 , 10648536 , 21297072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21297071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21297072 can be divided by 20 positive divisors.
The sum of these divisors (counting 21297072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001001111011110110000
3
Ternary
1111002000002110
4
Quaternary
1101033132300
5
Quinary
20423001242
6
Senary
2040245320
8
Octal
121173660
10
Decimal
21297072
12
Duodecimal
7170840
16
Hexadecimal
144f7b0
20
Vigesimal
6d22dc
36
Base36
cogxc
md5
1cbe269b85f9a48fd0d1b3e62194033c
sha1
9c145aab29a29ac0de21d0c427f0de2e3b66bb1b
sha256
02bc0d81e139ee29ad3381a98cf502df968a734493d3012a14ee7bb68125b63e
sha512
14de4d359fb64c63fabec2d32f039c477729fb7ddfe11d400460c8f8e96a2d76b79688111705e57e1e3367b1cc52d2a9d43b6c93a6d46291262621442b8cc744
ripemd-160
bfc895490fe73d62c6846738f6e40128b3b44af0
Diameter
42594144
Circumference
133813449.87635
Area
1.4249173382925E+15
Volume
4.0462089530217E+22
Surface area
5.6996693531699E+15
Circumference
133813449.87635
Perimeter
85188288
Area
453565275773184
Diagonal
30118608.061236
Surface area
2721391654639104
Volume
9.6596123348414E+21
Space diagonal
36887610.756453
Perimeter
63891216
Area
1.9639952554704E+14
Altitude
18443805.378226
Surface area
1.9639952554704E+14
Volume
1.1383962309333E+21
Height
10039536.020412