18361421 is an odd 8-digits composite number following 18361420
and preceding 18361422 . In scientific notation, it is written as 1.8361421 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 16773120 positive integers (up to 18361421) that are relatively prime to 18361421.
18361421 has 8 divisors, whose sum is 19979064
The reverse of 18361421 is 12416381
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighteen million three hundred sixty-one thousand four hundred twenty-one
Scientific notation
1.8361421 × 10^7
Engineering notation
1.8361421 × 10^6
Prime Factorization
13 × 97 × 14561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18361421
Product of the distinct prime numbers
The prime factorization of 18361421 is 13 × 97 × 14561.
Since it has a total of 3 prime factors.
2 , 7 , 25 , 14 , 626 , 886 , 6644 , 3010 , 27827 , 52950 , 156229 , 310969 , 4409709 , 7756908 , 85608406 , 68244901 , 709287532 , 381860118 , 444602613 , 4747616216
n×2
36722842
n×3
55084263
n×4
73445684
n×5
91807105
n÷2
9180710.5
n÷3
6120473.6666667
n÷3
4590355.25
n÷5
3672284.2
n2
337141781139241
n3
6.1904021801875E+21
n4
1.1366458058974E+29
n5
2.0870432169966E+36
2 √n
4285.0228704174
3 √n
263.81658613971
4 √n
65.460086086236
5 √n
28.364900057705
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
-18361420
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 18361421 can be divided by 8 positive divisors.
The sum of these divisors (counting 18361421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110000010110001001101
3
Ternary
1021112212010122
4
Quaternary
1012002301031
5
Quinary
14200031141
6
Senary
1453314325
8
Octal
106026115
10
Decimal
18361421
12
Duodecimal
61959a5
16
Hexadecimal
1182c4d
20
Vigesimal
5ef3b1
36
Base36
axjrh
md5
3d23ed380f4c8d34081bbc8df4cd2e49
sha1
3922a0d3936f4f7de893da64e4ad9d4f9bd10ea7
sha256
30a334716e03d4dc17f82d881b8ec321e295140d7a3599dfc2c0aea24791b548
sha512
42b6a04369686f94e00d9e67ff5270c686c468fe235c350f72bd01b578e68e4f15fdc9a49aedd74204ea87678b7863cbfd3e8f227b84fa48aeafc1345151056c
ripemd-160
57547c37f1068bca1ae66ba175fe108c0f4ce126
Diameter
36722842
Circumference
115368210.64614
Area
1.0591621428452E+15
Volume
2.5930296016058E+22
Surface area
4.2366485713809E+15
Circumference
115368210.64614
Perimeter
73445684
Area
337141781139241
Diagonal
25966970.602642
Surface area
2022850686835446
Volume
6.1904021801875E+21
Space diagonal
31802914.071162
Perimeter
55084263
Area
1.4598667357186E+14
Altitude
15901457.035581
Surface area
1.4598667357186E+14
Volume
7.2954589331376E+20
Height
8655656.8675474