18984938 is an even 8-digits composite number following 18984937
and preceding 18984939 . In scientific notation, it is written as 1.8984938 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 8136396 positive integers (up to 18984938) that are relatively prime to 18984938.
18984938 has 8 divisors, whose sum is 32545632
The reverse of 18984938 is 83948981
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million nine hundred eighty-four thousand nine hundred thirty-eight
Scientific notation
1.8984938 × 10^7
Engineering notation
1.8984938 × 10^6
Prime Factorization
2 × 7 × 1356067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18984938
Product of the distinct prime numbers
The prime factorization of 18984938 is 2 × 7 × 1356067.
Since it has a total of 3 prime factors.
6 , 2 , 26 , 82 , 146 , 368 , 1067 , 8567 , 63922 , 50076 , 316067 , 487019 , 3696225 , 6192607 , 6932110 , 48587082 , 621509377 , 206692854 , 8032342277 , 3775597333
n×2
37969876
n×3
56954814
n×4
75939752
n×5
94924690
n÷2
9492469
n÷3
6328312.6666667
n÷3
4746234.5
n÷5
3796987.6
n2
360427870863844
n3
6.8427007818221E+21
n4
1.2990825009544E+29
n5
2.4663000737505E+36
2 √n
4357.1708711043
3 √n
266.76963488846
4 √n
66.00886963965
5 √n
28.554978442825
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18984937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18984938 can be divided by 8 positive divisors.
The sum of these divisors (counting 18984938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011010111111101010
3
Ternary
1022201112102212
4
Quaternary
1020122333222
5
Quinary
14330004223
6
Senary
1514525122
8
Octal
110327752
10
Decimal
18984938
12
Duodecimal
64367a2
16
Hexadecimal
121afea
20
Vigesimal
5id26i
36
Base36
bawve
md5
865d9dd930fc964c5d7e7859ae36547b
sha1
e215840f90b5a29c5385c73b32346f04c0623f17
sha256
c34f646560150cc727a7e432e5da87817db4cbbd3b276efcb1d5993173ea22b0
sha512
b7268aff39657e43675d6b022062bc20bd72c1b481e9fff7f200e323af7f0a5cadbd77406b3deb126e8c23bae0887bb44ab7e5fd52aebf3569c754f5130e2a8b
ripemd-160
e6029cf685640c2b68250eea27377f1b20a86cce
Diameter
37969876
Circumference
119285883.49932
Area
1.1323175512549E+15
Volume
2.8662638009181E+22
Surface area
4.5292702050195E+15
Circumference
119285883.49932
Perimeter
75939752
Area
360427870863844
Diagonal
26848756.800412
Surface area
2162567225183064
Volume
6.8427007818221E+21
Space diagonal
32882877.194545
Perimeter
56954814
Area
1.5606984620001E+14
Altitude
16441438.597273
Surface area
1.5606984620001E+14
Volume
8.0642002074281E+20
Height
8949585.6001374