18389919 is an odd 8-digits composite number following 18389918
and preceding 18389920 . In scientific notation, it is written as 1.8389919 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 12259944 positive integers (up to 18389919) that are relatively prime to 18389919.
18389919 has 4 divisors, whose sum is 24519896
The reverse of 18389919 is 91998381
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million three hundred eighty-nine thousand nine hundred nineteen
Scientific notation
1.8389919 × 10^7
Engineering notation
1.8389919 × 10^6
Prime Factorization
3 × 6129973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18389919
Product of the distinct prime numbers
The prime factorization of 18389919 is 3 × 6129973.
Since it has a total of 2 prime factors.
2 , 3 , 98 , 38 , 51 , 946 , 9583 , 1054 , 58788 , 84413 , 565919 , 166620 , 9920410 , 8681241 , 24514417 , 40397747 , 838594626 , 909356929 , 9359073414 , 5220838413
n×2
36779838
n×3
55169757
n×4
73559676
n×5
91949595
n÷2
9194959.5
n÷3
6129973
n÷3
4597479.75
n÷5
3677983.8
n2
338189120826561
n3
6.2192705386817E+21
n4
1.1437188144544E+29
n5
2.1032896356593E+36
2 √n
4288.34688429
3 √n
263.95300184952
4 √n
65.485470787725
5 √n
28.373699393557
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389919 can be divided by 4 positive divisors.
The sum of these divisors (counting 18389919) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001001101110011111
3
Ternary
1021121022020010
4
Quaternary
1012021232133
5
Quinary
14201434134
6
Senary
1454054303
8
Octal
106115637
10
Decimal
18389919
12
Duodecimal
61aa393
16
Hexadecimal
1189b9f
20
Vigesimal
5eiefj
36
Base36
ay5r3
md5
3f998eeeb10dd16bbe3d730de8ad48ea
sha1
cd75e33752ab97e369c321f87ba2b1956dc2333c
sha256
e27c660f0add08ee162df1a71c67a69198107549a28b44766faa4d2329a4bd6d
sha512
b5c81d36c33bc76adf961e75f5031bc9679536583aef77a190e26e45efe859f48851746fdad2cfc27b9af245f4d29f9ac1d5fc114d23f52b2a00216daff0baac
ripemd-160
e93c962e5311df751a297c07bda396896a92c574
Diameter
36779838
Circumference
115547268.86102
Area
1.0624524575127E+15
Volume
2.6051219513346E+22
Surface area
4.2498098300509E+15
Circumference
115547268.86102
Perimeter
73559676
Area
338189120826561
Diagonal
26007272.860743
Surface area
2029134724959366
Volume
6.2192705386817E+21
Space diagonal
31852274.055076
Perimeter
55169757
Area
1.4644018495966E+14
Altitude
15926137.027538
Surface area
1.4644018495966E+14
Volume
7.3294806198925E+20
Height
8669090.9535809