18990412 is an even 8-digits composite number following 18990411
and preceding 18990413 . In scientific notation, it is written as 1.8990412 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 8138736 positive integers (up to 18990412) that are relatively prime to 18990412.
18990412 has 12 divisors, whose sum is 37980880
The reverse of 18990412 is 21409981
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million nine hundred ninety thousand four hundred twelve
Scientific notation
1.8990412 × 10^7
Engineering notation
1.8990412 × 10^6
Prime Factorization
2 × 2 × 7 × 678229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9495206
Product of the distinct prime numbers
The prime factorization of 18990412 is 2 × 2 × 7 × 678229.
Since it has a total of 4 prime factors.
10 , 8 , 89 , 70 , 442 , 633 , 4216 , 4894 , 30150 , 27914 , 59067 , 334377 , 7241965 , 1955189 , 91100264 , 18979508 , 933164690 , 714855511 , 6149949895 , 9194368253
n×2
37980824
n×3
56971236
n×4
75961648
n×5
94952060
n÷2
9495206
n÷3
6330137.3333333
n÷3
4747603
n÷5
3798082.4
n2
360635747929744
n3
6.848621435114E+21
n4
1.3005814268485E+29
n5
2.46985771354E+36
2 √n
4357.7989857266
3 √n
266.79527199532
4 √n
66.01362727291
5 √n
28.556624926235
1 , 2 , 4 , 7 , 14 , 28 , 678229 , 1356458 , 2712916 , 4747603 , 9495206 , 18990412
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
-18990411
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 18990412 can be divided by 12 positive divisors.
The sum of these divisors (counting 18990412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011100010101001100
3
Ternary
1022201210221121
4
Quaternary
1020130111030
5
Quinary
14330143122
6
Senary
1515010324
8
Octal
110342514
10
Decimal
18990412
12
Duodecimal
64399a4
16
Hexadecimal
121c54c
20
Vigesimal
5idg0c
36
Base36
bb13g
md5
59e42e20559b562104f5ea6e02a58fbf
sha1
344dc3753064b1f447a7159c08d3aa9dac40c6a1
sha256
e6668a752ee789b04c7dea4ccefff4341e5d9505ae336184349e5f5d68937560
sha512
c3e82cdd03dec06e6a611f126e1cffb83b029b5bdbf509b85812a8b175f15eafd2bfcecd89e353c31e7fab0408299de10a5064acefce210b026e8f95c74329a3
ripemd-160
b7b776df55ef3f77c6fb1f72b94e939d2412570c
Diameter
37980824
Circumference
119320277.65569
Area
1.1329706163179E+15
Volume
2.8687438383696E+22
Surface area
4.5318824652718E+15
Circumference
119320277.65569
Perimeter
75961648
Area
360635747929744
Diagonal
26856498.205453
Surface area
2163814487578464
Volume
6.848621435114E+21
Space diagonal
32892358.440666
Perimeter
56971236
Area
1.5615985960998E+14
Altitude
16446179.220333
Surface area
1.5615985960998E+14
Volume
8.0711777642477E+20
Height
8952166.0684843