18247989 is an odd 8-digits composite number following 18247988
and preceding 18247990 . In scientific notation, it is written as 1.8247989 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 11652480 positive integers (up to 18247989) that are relatively prime to 18247989.
18247989 has 16 divisors, whose sum is 25369920
The reverse of 18247989 is 98974281
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million two hundred forty-seven thousand nine hundred eighty-nine
Scientific notation
1.8247989 × 10^7
Engineering notation
1.8247989 × 10^6
Prime Factorization
3 × 137 × 29 × 1531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18247989
Product of the distinct prime numbers
The prime factorization of 18247989 is 3 × 137 × 29 × 1531.
Since it has a total of 4 prime factors.
2 , 1 , 18 , 7 , 621 , 96 , 5666 , 3755 , 59490 , 36087 , 810051 , 881232 , 5233269 , 2843066 , 3552796 , 91915111 , 261400087 , 969752328 , 4222392528 , 1423469117
n×2
36495978
n×3
54743967
n×4
72991956
n×5
91239945
n÷2
9123994.5
n÷3
6082663
n÷3
4561997.25
n÷5
3649597.8
n2
332989102544121
n3
6.076381480345E+21
n4
1.1088174241314E+29
n5
2.0233688158558E+36
2 √n
4271.7664964274
3 √n
263.27220055392
4 √n
65.358752255742
5 √n
28.329766963638
1 , 3 , 29 , 87 , 137 , 411 , 1531 , 3973 , 4593 , 11919 , 44399 , 133197 , 209747 , 629241 , 6082663 , 18247989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18247988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18247989 can be divided by 16 positive divisors.
The sum of these divisors (counting 18247989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101100111000100110101
3
Ternary
1021100002112110
4
Quaternary
1011213010311
5
Quinary
14132413424
6
Senary
1451041233
8
Octal
105470465
10
Decimal
18247989
12
Duodecimal
6140219
16
Hexadecimal
1167135
20
Vigesimal
5e0jj9
36
Base36
av48l
md5
df270af971bfc016475fdae711cb0237
sha1
2212ea1055abad77742dd647e1984aca97d22b15
sha256
ce30ca256a6f3fe394b28d9e286f3d81aaa1c3b250ef22f9d3145d66da530d64
sha512
f2a3c1603b88b48b694fa72c06f23fc78f71e270c66dd37eb34976262b56dd404db60fd8fae39ec08bc9022f95f303be7654e0701b919079f6605ce32cc10803
ripemd-160
3bf1293a2e1e732d160e8f613838ac3f364ef20b
Diameter
36495978
Circumference
114655496.37037
Area
1.0461161182781E+15
Volume
2.5452687225415E+22
Surface area
4.1844644731123E+15
Circumference
114655496.37037
Perimeter
72991956
Area
332989102544121
Diagonal
25806553.529835
Surface area
1997934615264726
Volume
6.076381480345E+21
Space diagonal
31606444.083958
Perimeter
54743967
Area
1.441885109933E+14
Altitude
15803222.041979
Surface area
1.441885109933E+14
Volume
7.1610842497138E+20
Height
8602184.509945