18389436 is an even 8-digits composite number following 18389435
and preceding 18389437 . In scientific notation, it is written as 1.8389436 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 5658240 positive integers (up to 18389436) that are relatively prime to 18389436.
18389436 has 12 divisors, whose sum is 33006960
The reverse of 18389436 is 63498381
Previous prime number is 39
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million three hundred eighty-nine thousand four hundred thirty-six
Scientific notation
1.8389436 × 10^7
Engineering notation
1.8389436 × 10^6
Prime Factorization
2 × 2 × 39 × 117881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9194718
Product of the distinct prime numbers
The prime factorization of 18389436 is 2 × 2 × 39 × 117881.
Since it has a total of 4 prime factors.
3 , 1 , 50 , 100 , 719 , 806 , 1436 , 9513 , 37633 , 72634 , 367224 , 840618 , 3262953 , 352308 , 57091137 , 7473683 , 39332225 , 514626437 , 8401730686 , 4889293994
n×2
36778872
n×3
55168308
n×4
73557744
n×5
91947180
n÷2
9194718
n÷3
6129812
n÷3
4597359
n÷5
3677887.2
n2
338171356398096
n3
6.218780515516E+21
n4
1.1435986628813E+29
n5
2.1030134420741E+36
2 √n
4288.2905685133
3 √n
263.95069097446
4 √n
65.485040799508
5 √n
28.373550348411
1 , 2 , 4 , 39 , 78 , 156 , 117881 , 235762 , 471524 , 4597359 , 9194718 , 18389436
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389435
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389436 can be divided by 12 positive divisors.
The sum of these divisors (counting 18389436) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110001001100110111100
3
Ternary
1021121021120020
4
Quaternary
1012021212330
5
Quinary
14201430221
6
Senary
1454052140
8
Octal
106114674
10
Decimal
18389436
12
Duodecimal
61aa050
16
Hexadecimal
11899bc
20
Vigesimal
5eidbg
36
Base36
ay5do
md5
97f6e881cdec6b082c1d05d8405a9913
sha1
ebb7a0a7efe846288c9755c6a30cfebc4feb8a77
sha256
36b35b6541660b9cfe23c92ba30259554df888b972c5d64198940b9ed42f920a
sha512
792b5c789f4e761c851c65e0ec3a61677785d1fc16e2a2281acebd8fd50528c25eafc013decbae618b2da981424c430ea0173bde12abd2d2ccf0de4bc01c6fd9
ripemd-160
8d9b73aa6930a95cffdba6db021dcee0d8edb5c9
Diameter
36778872
Circumference
115544234.08252
Area
1.0623966489148E+15
Volume
2.604916690911E+22
Surface area
4.249586595659E+15
Circumference
115544234.08252
Perimeter
73557744
Area
338171356398096
Diagonal
26006589.795592
Surface area
2029028138388576
Volume
6.218780515516E+21
Space diagonal
31851437.474536
Perimeter
55168308
Area
1.464324927365E+14
Altitude
15925718.737268
Surface area
1.464324927365E+14
Volume
7.3289031220535E+20
Height
8668863.2651973