21388324 is an even 8-digits composite number following 21388323
and preceding 21388325 . In scientific notation, it is written as 2.1388324 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 10442880 positive integers (up to 21388324) that are relatively prime to 21388324.
21388324 has 24 divisors, whose sum is 38320128
The reverse of 21388324 is 42388312
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred eighty-eight thousand three hundred twenty-four
Scientific notation
2.1388324 × 10^7
Engineering notation
2.1388324 × 10^6
Prime Factorization
2 × 2 × 71 × 127 × 593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10694162
Product of the distinct prime numbers
The prime factorization of 21388324 is 2 × 2 × 71 × 127 × 593.
Since it has a total of 5 prime factors.
9 , 2 , 91 , 45 , 400 , 516 , 6283 , 2472 , 52872 , 51831 , 940411 , 614010 , 3349312 , 6302930 , 83157239 , 47995077 , 122239625 , 329126315 , 2408507635 , 1227947972
n×2
42776648
n×3
64164972
n×4
85553296
n×5
106941620
n÷2
10694162
n÷3
7129441.3333333
n÷3
5347081
n÷5
4277664.8
n2
457460403528976
n3
9.7843113278485E+21
n4
2.0927002079689E+29
n5
4.4759350082907E+36
2 √n
4624.7512365532
3 √n
277.5826077685
4 √n
68.005523573848
5 √n
29.243904088389
1 , 2 , 4 , 71 , 127 , 142 , 254 , 284 , 508 , 593 , 1186 , 2372 , 9017 , 18034 , 36068 , 42103 , 75311 , 84206 , 150622 , 168412 , 301244 , 5347081 , 10694162 , 21388324
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
-21388323
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 21388324 can be divided by 24 positive divisors.
The sum of these divisors (counting 21388324) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100101110000100100
3
Ternary
1111020122021011
4
Quaternary
1101211300210
5
Quinary
20433411244
6
Senary
2042232004
8
Octal
121456044
10
Decimal
21388324
12
Duodecimal
71b5604
16
Hexadecimal
1465c24
20
Vigesimal
6ddag4
36
Base36
cqfc4
md5
32fcdb2b81af0447274dfb3bcf3c52db
sha1
dd2c6e4941191b7e6e8157637e6f062e1a30ba84
sha256
e28884283c72964d88dc95c0534b8c1c6b05d84f5a6a935ff7d7a77db0d2904b
sha512
edbfcccbbef5a36c818ccc1c644a2414d481e8bf848889ae1177a2c104db61bf2c3825a5134f3ce25a32765e1370ad808bc0420aa089a890e643c1ecf6aa5171
ripemd-160
a16b576d4bc77230b3e4887803a50860430373c4
Diameter
42776648
Circumference
134386803.102
Area
1.4371542430349E+15
Volume
4.0984427450672E+22
Surface area
5.7486169721394E+15
Circumference
134386803.102
Perimeter
85553296
Area
457460403528976
Diagonal
30247657.87723
Surface area
2744762421173856
Volume
9.7843113278485E+21
Space diagonal
37045663.856745
Perimeter
64164972
Area
1.9808616534079E+14
Altitude
18522831.928372
Surface area
1.9808616534079E+14
Volume
1.1530921481937E+21
Height
10082552.625743