18297989 is an odd 8-digits composite number following 18297988
and preceding 18297990 . In scientific notation, it is written as 1.8297989 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 18285324 positive integers (up to 18297989) that are relatively prime to 18297989.
18297989 has 4 divisors, whose sum is 18310656
The reverse of 18297989 is 98979281
Previous prime number is 1663
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million two hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
1.8297989 × 10^7
Engineering notation
1.8297989 × 10^6
Prime Factorization
1663 × 11003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18297989
Product of the distinct prime numbers
The prime factorization of 18297989 is 1663 × 11003.
Since it has a total of 2 prime factors.
5 , 10 , 49 , 33 , 852 , 945 , 2871 , 3191 , 20130 , 17631 , 570475 , 167747 , 9807331 , 554863 , 80192840 , 73540210 , 44627701 , 118844226 , 8096686818 , 3805226064
n×2
36595978
n×3
54893967
n×4
73191956
n×5
91489945
n÷2
9148994.5
n÷3
6099329.6666667
n÷3
4574497.25
n÷5
3659597.8
n2
334816401444121
n3
6.1264668306441E+21
n4
1.1210202267599E+29
n5
2.051241577803E+36
2 √n
4277.6148728
3 √n
263.51243899718
4 √n
65.40347752834
5 √n
28.345274846819
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18297988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18297989 can be divided by 4 positive divisors.
The sum of these divisors (counting 18297989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101110011010010000101
3
Ternary
1021102122010022
4
Quaternary
1011303102011
5
Quinary
14141013424
6
Senary
1452104525
8
Octal
105632205
10
Decimal
18297989
12
Duodecimal
6165145
16
Hexadecimal
1173485
20
Vigesimal
5e74j9
36
Base36
aw6th
md5
9a7c75354e38b5e22538684cb8e77466
sha1
d8dc129ddea96a131e051d22c7fd168422ac195b
sha256
1b507a90727eeaf78a38a6f35df0d83dba705d0cf2dd5bbebc24f7b55c085e2d
sha512
67ffaf8aa6e04d32c56d8ccb9ce0299969f675fe8291868db13daa9e2011a007ab37695cf6e5d90da997862087e0aa57153592d39cd64cebd42148e40c5a0878
ripemd-160
312b382af33340a41f9eff1a226ef8e2598b9043
Diameter
36595978
Circumference
114969655.63573
Area
1.0518567470782E+15
Volume
2.5662484250151E+22
Surface area
4.2074269883129E+15
Circumference
114969655.63573
Perimeter
73191956
Area
334816401444121
Diagonal
25877264.207954
Surface area
2008898408664726
Volume
6.1264668306441E+21
Space diagonal
31693046.624336
Perimeter
54893967
Area
1.4497975462715E+14
Altitude
15846523.312168
Surface area
1.4497975462715E+14
Volume
7.2201104011048E+20
Height
8625754.7359846