18397842 is an even 8-digits composite number following 18397841
and preceding 18397843 . In scientific notation, it is written as 1.8397842 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 5771840 positive integers (up to 18397842) that are relatively prime to 18397842.
18397842 has 8 divisors, whose sum is 28138032
The reverse of 18397842 is 24879381
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million three hundred ninety-seven thousand eight hundred forty-two
Scientific notation
1.8397842 × 10^7
Engineering notation
1.8397842 × 10^6
Prime Factorization
2 × 51 × 180371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18397842
Product of the distinct prime numbers
The prime factorization of 18397842 is 2 × 51 × 180371.
Since it has a total of 3 prime factors.
3 , 3 , 99 , 65 , 255 , 52 , 5662 , 2829 , 68246 , 52220 , 267533 , 463448 , 5774069 , 646564 , 19424287 , 55544319 , 570440189 , 822611484 , 7093536224 , 8017974506
n×2
36795684
n×3
55193526
n×4
73591368
n×5
91989210
n÷2
9198921
n÷3
6132614
n÷3
4599460.5
n÷5
3679568.4
n2
338480590256964
n3
6.2273124196144E+21
n4
1.145691099807E+29
n5
2.1078243835056E+36
2 √n
4289.2705673576
3 √n
263.99090303824
4 √n
65.492522988182
5 √n
28.376143842484
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18397841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18397842 can be divided by 8 positive divisors.
The sum of these divisors (counting 18397842) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110001011101010010010
3
Ternary
1021121201002120
4
Quaternary
1012023222102
5
Quinary
14202212332
6
Senary
1454155110
8
Octal
106135222
10
Decimal
18397842
12
Duodecimal
61b2a96
16
Hexadecimal
118ba92
20
Vigesimal
5ejec2
36
Base36
aybv6
md5
909fe925858ed0c99dc2304855076f18
sha1
40c1112e1bbdeff646b675b9921718f927b96e4d
sha256
98d1f9e7914294a1ad0a62b5bb47de7d98d73b0559acf90bfa3578e8a48045f0
sha512
eff3ac3155361c15e9249e5c30ce3eb8b2e1c7ea6d17edf125c5e4eab83bbbf92b45dc946f5ec37db49d0727f3488017ebaf5a0bcc0ca08bb488afe1de1b2e1c
ripemd-160
31021afe44665aa5084f869822fd96516b536395
Diameter
36795684
Circumference
115597050.53821
Area
1.063368135734E+15
Volume
2.6084905265425E+22
Surface area
4.2534725429361E+15
Circumference
115597050.53821
Perimeter
73591368
Area
338480590256964
Diagonal
26018477.674797
Surface area
2030883541541784
Volume
6.2273124196144E+21
Space diagonal
31865997.093625
Perimeter
55193526
Area
1.4656639492524E+14
Altitude
15932998.546812
Surface area
1.4656639492524E+14
Volume
7.3389580674609E+20
Height
8672825.8915991