18393421 is an odd 8-digits prime number following 18393420
and preceding 18393422 . In scientific notation, it is written as 1.8393421 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 18393420 positive integers (up to 18393421) that are relatively prime to 18393421.
18393421 has 2 divisors, whose sum is 18393422
The reverse of 18393421 is 12439381
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million three hundred ninety-three thousand four hundred twenty-one
Scientific notation
1.8393421 × 10^7
Engineering notation
1.8393421 × 10^6
Prime Factorization
18393421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18393421
Product of the distinct prime numbers
The prime factorization of 18393421 is 18393421.
Since it has a total of 1 prime factors.
1 , 4 , 45 , 69 , 112 , 168 , 1671 , 353 , 20412 , 32832 , 508717 , 504570 , 5736771 , 296727 , 91766406 , 42263814 , 790561111 , 156134774 , 3244274247 , 4857775444
n×2
36786842
n×3
55180263
n×4
73573684
n×5
91967105
n÷2
9196710.5
n÷3
6131140.3333333
n÷3
4598355.25
n÷5
3678684.2
n2
338317936083241
n3
6.2228242302301E+21
n4
1.1445902587562E+29
n5
2.1052930501802E+36
2 √n
4288.7551807022
3 √n
263.96975567976
4 √n
65.488588171545
5 √n
28.37477995435
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18393422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9196711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4288.7552972861
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998912655
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18393421 can be divided by 2 positive divisors.
The sum of these divisors (counting 18393421) is 18393422, the average is 9196711.
Base
System
Value
2
Binary
1000110001010100101001101
3
Ternary
1021121111000211
4
Quaternary
1012022211031
5
Quinary
14202042141
6
Senary
1454122421
8
Octal
106124515
10
Decimal
18393421
12
Duodecimal
61b0411
16
Hexadecimal
118a94d
20
Vigesimal
5ej3b1
36
Base36
ay8gd
md5
bac1cff6b517c604336ddb1b51ca75ce
sha1
7f7f5db97432d01e053bb4bc89efe7f591293a1e
sha256
7376b6cf3f149c6b0536450b71975b60231b063b80fc79c8115b9dc90b575b6d
sha512
baee57ae86ee987f41d30704c69e7cc1105ab609cc07dcab62b10bb408b2ae23b23b1b8393c32f2daef22b748e32f900e80666b7e04575b6f23c57b54ce64f55
ripemd-160
8bd655ab270fc11b10b620f45d388d682d168516
Diameter
36786842
Circumference
115569272.57597
Area
1.0628571425768E+15
Volume
2.6066105181695E+22
Surface area
4.2514285703071E+15
Circumference
115569272.57597
Perimeter
73573684
Area
338317936083241
Diagonal
26012225.436638
Surface area
2029907616499446
Volume
6.2228242302301E+21
Space diagonal
31858339.697004
Perimeter
55180263
Area
1.46495963602E+14
Altitude
15929169.848502
Surface area
1.46495963602E+14
Volume
7.3336686855462E+20
Height
8670741.8122127