18042 is an even 5-digits composite number following 18041
and preceding 18043 . In scientific notation, it is written as 1.8042 × 10^4.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 5760 positive integers (up to 18042) that are relatively prime to 18042.
18042 has 16 divisors, whose sum is 37632
The reverse of 18042 is 24081
Previous prime number is 31
Is Prime? no
Number parity even
Number length 5
Sum of Digits 15
Digital Root 6
Name
eighteen thousand forty-two
Scientific notation
1.8042 × 10^4
Engineering notation
1.8042 × 10^3
Prime Factorization
2 × 3 × 31 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18042
Product of the distinct prime numbers
The prime factorization of 18042 is 2 × 3 × 31 × 97.
Since it has a total of 4 prime factors.
10 , 5 , 2 , 71 , 406 , 429 , 6009 , 6590 , 87862 , 77867 , 571392 , 822990 , 808510 , 2581830 , 70621851 , 94543105 , 744951421 , 401939927 , 4235120101 , 5164223890
n×2
36084
n×3
54126
n×4
72168
n×5
90210
n÷2
9021
n÷3
6014
n÷3
4510.5
n÷5
3608.4
n2
325513764
n3
5872919330088
n4
105959210553447696
n5
1.9117160768053E+21
2 √n
134.32051220867
3 √n
26.227781652918
4 √n
11.589672653215
5 √n
7.0999768994495
1 , 2 , 3 , 6 , 31 , 62 , 93 , 97 , 186 , 194 , 291 , 582 , 3007 , 6014 , 9021 , 18042
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
-18041
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 18042 can be divided by 16 positive divisors.
The sum of these divisors (counting 18042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100011001111010
3
Ternary
220202020
4
Quaternary
10121322
5
Quinary
1034132
6
Senary
215310
8
Octal
43172
10
Decimal
18042
12
Duodecimal
a536
16
Hexadecimal
467a
20
Vigesimal
2522
36
Base36
dx6
md5
7e132d103ce54fda527e88a13a3d1540
sha1
1a7bc46ca5569e76187988cf66cf30119d149083
sha256
ba58134acee1f86aca905e619813fdb63d3303b89ec2c9e572263a3a1b424134
sha512
81a8216ca529b69120fcef6afc5c6634e2813848042029ee6378d879796960bb4c8d9d2f13d239cb02a0ef35cd114b7d28507d08285de14873a03d71af7bef45
ripemd-160
3b12f4d3059d8aa45f5128fa498f43c184e819ea
Diameter
36084
Circumference
113361.22931213
Area
1022631649.6248
Volume
24600426963373
Surface area
4090526598.499
Circumference
113361.22931213
Perimeter
72168
Area
325513764
Diagonal
25515.241092335
Surface area
1953082584
Volume
5872919330088
Space diagonal
31249.660670158
Perimeter
54126
Area
140951594.45275
Altitude
15624.830335079
Surface area
140951594.45275
Volume
692130180611.13
Height
8505.0803641118