18441421 is an odd 8-digits prime number following 18441420
and preceding 18441422 . In scientific notation, it is written as 1.8441421 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 18441420 positive integers (up to 18441421) that are relatively prime to 18441421.
18441421 has 2 divisors, whose sum is 18441422
The reverse of 18441421 is 12414481
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighteen million four hundred forty-one thousand four hundred twenty-one
Scientific notation
1.8441421 × 10^7
Engineering notation
1.8441421 × 10^6
Prime Factorization
18441421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18441421
Product of the distinct prime numbers
The prime factorization of 18441421 is 18441421.
Since it has a total of 1 prime factors.
4 , 4 , 50 , 86 , 454 , 659 , 2662 , 295 , 27779 , 57911 , 827895 , 60191 , 9078219 , 3600529 , 16337446 , 22188451 , 334526568 , 829321810 , 5188391219 , 8303925756
n×2
36882842
n×3
55324263
n×4
73765684
n×5
92207105
n÷2
9220710.5
n÷3
6147140.3333333
n÷3
4610355.25
n÷5
3688284.2
n2
340086008499241
n3
6.2716692589441E+21
n4
1.1565849317695E+29
n5
2.1329069649017E+36
2 √n
4294.3475639496
3 √n
264.19917724695
4 √n
65.531271649111
5 √n
28.389574047794
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18441422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9220711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4294.3476803817
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998915485
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18441421 can be divided by 2 positive divisors.
The sum of these divisors (counting 18441421) is 18441422, the average is 9220711.
Base
System
Value
2
Binary
1000110010110010011001101
3
Ternary
1021200220212121
4
Quaternary
1012112103031
5
Quinary
14210111141
6
Senary
1455132541
8
Octal
106262315
10
Decimal
18441421
12
Duodecimal
6214151
16
Hexadecimal
11964cd
20
Vigesimal
5f53b1
36
Base36
az9hp
md5
70076f6dbd1cb862b9a27337e751cc98
sha1
f2cd44d7509ec8a2e8269fb5aa49b1f7ac5a1239
sha256
7e5a85477efe0a6af4b5f824dd23814d4314aa17a8636a295fbb75344f079b5d
sha512
5327f5cc2662fc7fc9cef25f971bd3d5e02f5fd7a08468eb36ed62665779ad06ee8afd531e99a8e0d18339853c5a6bf765f57ca70e53c8cb39715ec7eb05df4f
ripemd-160
f5e2e528f52623cae93ac3f9a1ba613664a78b0a
Diameter
36882842
Circumference
115870865.47071
Area
1.0684117058899E+15
Volume
2.6270706759525E+22
Surface area
4.2736468235596E+15
Circumference
115870865.47071
Perimeter
73765684
Area
340086008499241
Diagonal
26080107.687632
Surface area
2040516050995446
Volume
6.2716692589441E+21
Space diagonal
31941478.135768
Perimeter
55324263
Area
1.47261561416E+14
Altitude
15970739.067884
Surface area
1.47261561416E+14
Volume
7.3912331039309E+20
Height
8693369.2292107