18809904 is an even 8-digits composite number following 18809903
and preceding 18809905 . In scientific notation, it is written as 1.8809904 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 6269952 positive integers (up to 18809904) that are relatively prime to 18809904.
18809904 has 20 divisors, whose sum is 48592376
The reverse of 18809904 is 40990881
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million eight hundred nine thousand nine hundred four
Scientific notation
1.8809904 × 10^7
Engineering notation
1.8809904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 391873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2351238
Product of the distinct prime numbers
The prime factorization of 18809904 is 2 × 2 × 2 × 2 × 3 × 391873.
Since it has a total of 6 prime factors.
2 , 7 , 96 , 49 , 911 , 178 , 6805 , 4360 , 84001 , 17922 , 213831 , 93982 , 4453021 , 506483 , 80114641 , 82302900 , 491582063 , 817862927 , 8026797339 , 2927132710
n×2
37619808
n×3
56429712
n×4
75239616
n×5
94049520
n÷2
9404952
n÷3
6269968
n÷3
4702476
n÷5
3761980.8
n2
353812488489216
n3
6.6551789424833E+21
n4
1.2518327701093E+29
n5
2.354685422981E+36
2 √n
4337.0386209947
3 √n
265.94726374592
4 √n
65.856196526938
5 √n
28.502129948557
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 391873 , 783746 , 1175619 , 1567492 , 2351238 , 3134984 , 4702476 , 6269968 , 9404952 , 18809904
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
-18809903
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 18809904 can be divided by 20 positive divisors.
The sum of these divisors (counting 18809904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000111110000010000110000
3
Ternary
1022101122100010
4
Quaternary
1013300100300
5
Quinary
14303404104
6
Senary
1511054520
8
Octal
107602060
10
Decimal
18809904
12
Duodecimal
6371440
16
Hexadecimal
11f0430
20
Vigesimal
5hb4f4
36
Base36
b75tc
md5
a053b95df6dff6113f53fb4f5f2b828d
sha1
d5c7c67031e8f5ef7eb25f0bf17ae0c394159f6a
sha256
3dd183cd791741ec8d74ff99108c94c0e9392c1592a1558992f288bc1851cb3d
sha512
a276c99910c557329d76b4d2af8630457bb8573b54d0b2b990d7dc75ecb033a5f19007db567f3fd650f00e083bdbd7974e0728b6b1a3505a9e8e1b67162b956d
ripemd-160
418de31d9b03947903eef5c06d841253212b5f98
Diameter
37619808
Circumference
118186112.44226
Area
1.111534714586E+15
Volume
2.7877148365375E+22
Surface area
4.4461388583442E+15
Circumference
118186112.44226
Perimeter
75239616
Area
353812488489216
Diagonal
26601221.343736
Surface area
2122874930935296
Volume
6.6551789424833E+21
Space diagonal
32579709.413493
Perimeter
56429712
Area
1.5320530160393E+14
Altitude
16289854.706747
Surface area
1.5320530160393E+14
Volume
7.8432036003997E+20
Height
8867073.7812453