18385930 is an even 8-digits composite number following 18385929
and preceding 18385931 . In scientific notation, it is written as 1.8385930 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 7197712 positive integers (up to 18385930) that are relatively prime to 18385930.
18385930 has 16 divisors, whose sum is 33799680
The reverse of 18385930 is 03958381
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million three hundred eighty-five thousand nine hundred thirty
Scientific notation
1.8385930 × 10^7
Engineering notation
1.8385930 × 10^6
Prime Factorization
2 × 5 × 47 × 39119
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18385930
Product of the distinct prime numbers
The prime factorization of 18385930 is 2 × 5 × 47 × 39119.
Since it has a total of 4 prime factors.
6 , 8 , 4 , 20 , 458 , 714 , 4574 , 5436 , 89754 , 29514 , 772145 , 464222 , 6121503 , 1657615 , 11681749 , 54185475 , 542070099 , 411615400 , 7300110744 , 1548464585
n×2
36771860
n×3
55157790
n×4
73543720
n×5
91929650
n÷2
9192965
n÷3
6128643.3333333
n÷3
4596482.5
n÷5
3677186
n2
338042421964900
n3
6.2152243072771E+21
n4
1.142726790479E+29
n5
2.1010094778871E+36
2 √n
4287.8817614295
3 √n
263.93391558342
4 √n
65.481919347477
5 √n
28.372468365748
1 , 2 , 5 , 10 , 47 , 94 , 235 , 470 , 39119 , 78238 , 195595 , 391190 , 1838593 , 3677186 , 9192965 , 18385930
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18385929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18385930 can be divided by 16 positive divisors.
The sum of these divisors (counting 18385930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001000110000001010
3
Ternary
1021121002202101
4
Quaternary
1012020300022
5
Quinary
14201322210
6
Senary
1454024014
8
Octal
106106012
10
Decimal
18385930
12
Duodecimal
61a800a
16
Hexadecimal
1188c0a
20
Vigesimal
5ei4ga
36
Base36
ay2oa
md5
d298f3785d3b195442f21394b0cdc31c
sha1
2cc8234aa38f614dc485d66865a00d5fc38fb065
sha256
349430ba44a3bd62830157253d7ccab2db4614940d5c169175b6ce8488d65c0f
sha512
fa7f82ad62fd8d4dbeb90f8aade231190038a0da795bb4d12bd312a7d2b41cb810c445b1057f6abbfb90253fb24b36926bbf6b106e63ff816feb43cda4f68b3f
ripemd-160
8ef1f2f2c7f6de565400ad0bbf897ac77a506420
Diameter
36771860
Circumference
115522205.23483
Area
1.0619915894466E+15
Volume
2.6034270698873E+22
Surface area
4.2479663577865E+15
Circumference
115522205.23483
Perimeter
73543720
Area
338042421964900
Diagonal
26001631.562842
Surface area
2028254531789400
Volume
6.2152243072771E+21
Space diagonal
31845364.904405
Perimeter
55157790
Area
1.4637666248921E+14
Altitude
15922682.452202
Surface area
1.4637666248921E+14
Volume
7.3247120904519E+20
Height
8667210.5209475