18389742 is an even 8-digits composite number following 18389741
and preceding 18389743 . In scientific notation, it is written as 1.8389742 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 5025504 positive integers (up to 18389742) that are relatively prime to 18389742.
18389742 has 32 divisors, whose sum is 43863552
The reverse of 18389742 is 24798381
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million three hundred eighty-nine thousand seven hundred forty-two
Scientific notation
1.8389742 × 10^7
Engineering notation
1.8389742 × 10^6
Prime Factorization
2 × 3 × 7 × 23 × 19037
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18389742
Product of the distinct prime numbers
The prime factorization of 18389742 is 2 × 3 × 7 × 23 × 19037.
Since it has a total of 5 prime factors.
5 , 3 , 64 , 25 , 279 , 234 , 6985 , 384 , 87981 , 30516 , 591073 , 608161 , 5173443 , 1569151 , 24154288 , 91229716 , 794906349 , 643246352 , 5775902042 , 7669666178
n×2
36779484
n×3
55169226
n×4
73558968
n×5
91948710
n÷2
9194871
n÷3
6129914
n÷3
4597435.5
n÷5
3677948.4
n2
338182610826564
n3
6.2190909619869E+21
n4
1.1436747826547E+29
n5
2.1031884184926E+36
2 √n
4288.3262469173
3 √n
263.95215501181
4 √n
65.485313215387
5 √n
28.373644774892
1 , 2 , 3 , 6 , 7 , 14 , 21 , 23 , 42 , 46 , 69 , 138 , 161 , 322 , 483 , 966 , 19037 , 38074 , 57111 , 114222 , 133259 , 266518 , 399777 , 437851 , 799554 , 875702 , 1313553 , 2627106 , 3064957 , 6129914 , 9194871 , 18389742
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389742 can be divided by 32 positive divisors.
The sum of these divisors (counting 18389742) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110001001101011101110
3
Ternary
1021121021222120
4
Quaternary
1012021223232
5
Quinary
14201432432
6
Senary
1454053410
8
Octal
106115356
10
Decimal
18389742
12
Duodecimal
61aa266
16
Hexadecimal
1189aee
20
Vigesimal
5eie72
36
Base36
ay5m6
md5
1fd5bc6b613d3e6dc2bad5f5601fb635
sha1
0c9b1c60926e7f9af57c04a2eef7609385fe2406
sha256
2be6f2a430cce87bb955828902dc7e71924da6f5087ecddb84b1eda96391790f
sha512
fb60cfb9bf88cabf7e449ed32ce3e3ec68f43b9740aa2a13445623fc26a91c703c016883a3fb556e83c4c5dc03edb672e56ccb8e9df64e6d115c8984e2d5e75b
ripemd-160
ceaef2549058bd58fd235ff7f72d5697633c2374
Diameter
36779484
Circumference
115546156.73722
Area
1.0624320057445E+15
Volume
2.6050467304246E+22
Surface area
4.2497280229782E+15
Circumference
115546156.73722
Perimeter
73558968
Area
338182610826564
Diagonal
26007022.544942
Surface area
2029095664959384
Volume
6.2190909619869E+21
Space diagonal
31851967.482083
Perimeter
55169226
Area
1.4643736604698E+14
Altitude
15925983.741042
Surface area
1.4643736604698E+14
Volume
7.3292689867282E+20
Height
8669007.5149807