18378 is an even 5-digits composite number following 18377
and preceding 18379 . In scientific notation, it is written as 1.8378 × 10^4.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 6120 positive integers (up to 18378) that are relatively prime to 18378.
18378 has 12 divisors, whose sum is 39858
The reverse of 18378 is 87381
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 27
Digital Root 9
Name
eighteen thousand three hundred seventy-eight
Scientific notation
1.8378 × 10^4
Engineering notation
1.8378 × 10^3
Prime Factorization
2 × 3 × 3 × 1021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6126
Product of the distinct prime numbers
The prime factorization of 18378 is 2 × 3 × 3 × 1021.
Since it has a total of 4 prime factors.
2 , 2 , 76 , 10 , 379 , 838 , 3569 , 6037 , 69445 , 30983 , 297646 , 627279 , 1797187 , 30071 , 50459879 , 59225575 , 787979667 , 144920288 , 5171807449 , 2911273575
n×2
36756
n×3
55134
n×4
73512
n×5
91890
n÷2
9189
n÷3
6126
n÷3
4594.5
n÷5
3675.6
n2
337750884
n3
6207185746152
n4
114075659642781456
n5
2.096482472915E+21
2 √n
135.56548233234
3 √n
26.389596451737
4 √n
11.6432590941
5 √n
7.1262269526652
1 , 2 , 3 , 6 , 9 , 18 , 1021 , 2042 , 3063 , 6126 , 9189 , 18378
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
-18377
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 18378 can be divided by 12 positive divisors.
The sum of these divisors (counting 18378) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100011111001010
3
Ternary
221012200
4
Quaternary
10133022
5
Quinary
1042003
6
Senary
221030
8
Octal
43712
10
Decimal
18378
12
Duodecimal
a776
16
Hexadecimal
47ca
20
Vigesimal
25ii
36
Base36
e6i
md5
3c9501685cdd590f6212d7d7833bddf4
sha1
c5a56c987d3c45958d0abe93bebafab3557bc316
sha256
8547a1013e5a43294bf323a9079e68047822bcfbc836ba242d1c5df2b4648e97
sha512
3e2acdf7b20cfd237e117f9e0456446bc546bcc27a13ef50d6f979f045ab35ac1eb9d7c5a7545d29746d60a2c2ca1b085b3abf0542b5a014f949b21627ddb05e
ripemd-160
21306fec0d4f68542b42c1144259aebb23db119a
Diameter
36756
Circumference
115472.37957535
Area
1061075695.9179
Volume
26000598852771
Surface area
4244302783.6714
Circumference
115472.37957535
Perimeter
73512
Area
337750884
Diagonal
25990.416849293
Surface area
2026505304
Volume
6207185746152
Space diagonal
31831.629741501
Perimeter
55134
Area
146250422.84733
Altitude
15915.81487075
Surface area
146250422.84733
Volume
731523855531.43
Height
8663.4722830976