18389948 is an even 8-digits composite number following 18389947
and preceding 18389949 . In scientific notation, it is written as 1.8389948 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 8710992 positive integers (up to 18389948) that are relatively prime to 18389948.
18389948 has 12 divisors, whose sum is 33876360
The reverse of 18389948 is 84998381
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million three hundred eighty-nine thousand nine hundred forty-eight
Scientific notation
1.8389948 × 10^7
Engineering notation
1.8389948 × 10^6
Prime Factorization
2 × 2 × 19 × 241973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9194974
Product of the distinct prime numbers
The prime factorization of 18389948 is 2 × 2 × 19 × 241973.
Since it has a total of 4 prime factors.
8 , 10 , 64 , 50 , 839 , 322 , 9589 , 8128 , 98340 , 5795 , 917922 , 130867 , 3416104 , 3266514 , 36117552 , 12281784 , 57715539 , 519581162 , 859141273 , 1509597529
n×2
36779896
n×3
55169844
n×4
73559792
n×5
91949740
n÷2
9194974
n÷3
6129982.6666667
n÷3
4597487
n÷5
3677989.6
n2
338190187442704
n3
6.2192999611816E+21
n4
1.1437260288253E+29
n5
2.1033062196344E+36
2 √n
4288.350265545
3 √n
263.95314059643
4 √n
65.485496604554
5 √n
28.373708342337
1 , 2 , 4 , 19 , 38 , 76 , 241973 , 483946 , 967892 , 4597487 , 9194974 , 18389948
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
-18389947
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 18389948 can be divided by 12 positive divisors.
The sum of these divisors (counting 18389948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110001001101110111100
3
Ternary
1021121022021012
4
Quaternary
1012021232330
5
Quinary
14201434243
6
Senary
1454054352
8
Octal
106115674
10
Decimal
18389948
12
Duodecimal
61aa3b8
16
Hexadecimal
1189bbc
20
Vigesimal
5eieh8
36
Base36
ay5rw
md5
5b7934aa6c5d083fed4cc35c51941d62
sha1
bc1d5176dd1d272dd642ad0e616d73b8d880bbae
sha256
588167df7cd33a4e17fae712f6d1614aeb2b3c19e61eae81dabff8752454ca28
sha512
6553ed103446d297e536af3c0db74a3bf4139bf184df24a00b654dbf791a79d9dc6bac650d75ed1b6d4fcf3fd728a1e4e8b1987fe3b2bb5a1ac2c33c431411d8
ripemd-160
0dda5623814fb248c99dc3b5977081c73940a62c
Diameter
36779896
Circumference
115547451.0734
Area
1.0624558083862E+15
Volume
2.6051342758026E+22
Surface area
4.2498232335446E+15
Circumference
115547451.0734
Perimeter
73559792
Area
338190187442704
Diagonal
26007313.872936
Surface area
2029141124656224
Volume
6.2192999611816E+21
Space diagonal
31852324.28455
Perimeter
55169844
Area
1.46440646818E+14
Altitude
15926162.142275
Surface area
1.46440646818E+14
Volume
7.3295152946412E+20
Height
8669104.624312