18821424 is an even 8-digits composite number following 18821423
and preceding 18821425 . In scientific notation, it is written as 1.8821424 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 6273792 positive integers (up to 18821424) that are relatively prime to 18821424.
18821424 has 20 divisors, whose sum is 48622136
The reverse of 18821424 is 42412881
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million eight hundred twenty-one thousand four hundred twenty-four
Scientific notation
1.8821424 × 10^7
Engineering notation
1.8821424 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 392113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2352678
Product of the distinct prime numbers
The prime factorization of 18821424 is 2 × 2 × 2 × 2 × 3 × 392113.
Since it has a total of 6 prime factors.
5 , 8 , 95 , 43 , 340 , 68 , 311 , 7778 , 90613 , 98372 , 102190 , 350327 , 2836787 , 877509 , 85391303 , 17253017 , 251247611 , 173101940 , 4835756276 , 1866807436
n×2
37642848
n×3
56464272
n×4
75285696
n×5
94107120
n÷2
9410712
n÷3
6273808
n÷3
4705356
n÷5
3764284.8
n2
354246001387776
n3
6.6674141924239E+21
n4
1.2549022949923E+29
n5
2.3619048172623E+36
2 √n
4338.3665128709
3 √n
266.00154520745
4 √n
65.866277508836
5 √n
28.505620281412
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 392113 , 784226 , 1176339 , 1568452 , 2352678 , 3136904 , 4705356 , 6273808 , 9410712 , 18821424
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
-18821423
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 18821424 can be divided by 20 positive divisors.
The sum of these divisors (counting 18821424) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000111110011000100110000
3
Ternary
1022102020010210
4
Quaternary
1013303010300
5
Quinary
14304241144
6
Senary
1511224120
8
Octal
107630460
10
Decimal
18821424
12
Duodecimal
6378040
16
Hexadecimal
11f3130
20
Vigesimal
5hcdb4
36
Base36
b7epc
md5
d39429908df012434e35593ca3f5654d
sha1
7eeaa93076622cc9f2d707e3cacfb910c8c5a325
sha256
1f637fde4bba3de99e30ba331b042d385381e429c62601f78d145d103364a5b7
sha512
34e45d6f0230c46bf6ed9e2631b556f34fa8cc00ae1679d5dca80accb18c6f452d731166bdd2fd44924ad468bd37dff9550e68a72561d8ca18a9a35274bfca59
ripemd-160
221b7eb71016a96a707ce9bae5781eb7bd2eaa08
Diameter
37642848
Circumference
118258494.737
Area
1.1128966355234E+15
Volume
2.7928399260479E+22
Surface area
4.4515865420936E+15
Circumference
118258494.737
Perimeter
75285696
Area
354246001387776
Diagonal
26617513.083974
Surface area
2125476008326656
Volume
6.6674141924239E+21
Space diagonal
32599662.638796
Perimeter
56464272
Area
1.5339301819544E+14
Altitude
16299831.319398
Surface area
1.5339301819544E+14
Volume
7.8576229807373E+20
Height
8872504.3613248