12389918 is an even 8-digits composite number following 12389917
and preceding 12389919 . In scientific notation, it is written as 1.2389918 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 6194958 positive integers (up to 12389918) that are relatively prime to 12389918.
12389918 has 4 divisors, whose sum is 18584880
The reverse of 12389918 is 81998321
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million three hundred eighty-nine thousand nine hundred eighteen
Scientific notation
1.2389918 × 10^7
Engineering notation
1.2389918 × 10^6
Prime Factorization
2 × 6194959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12389918
Product of the distinct prime numbers
The prime factorization of 12389918 is 2 × 6194959.
Since it has a total of 2 prime factors.
4 , 3 , 9 , 50 , 792 , 464 , 1488 , 8211 , 16831 , 34696 , 90292 , 406927 , 5164459 , 5140447 , 27264695 , 76552379 , 563689341 , 581563403 , 5308604293 , 403910733
n×2
24779836
n×3
37169754
n×4
49559672
n×5
61949590
n÷2
6194959
n÷3
4129972.6666667
n÷3
3097479.5
n÷5
2477983.6
n2
153510068046724
n3
1.9019771552733E+21
n4
2.356534099171E+28
n5
2.9197264252932E+35
2 √n
3519.931533425
3 √n
231.39615810264
4 √n
59.329010892017
5 √n
26.218852866874
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
-12389917
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 12389918 can be divided by 4 positive divisors.
The sum of these divisors (counting 12389918) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111010000111000011110
3
Ternary
212022110202212
4
Quaternary
233100320132
5
Quinary
11132434133
6
Senary
1121320422
8
Octal
57207036
10
Decimal
12389918
12
Duodecimal
4196112
16
Hexadecimal
bd0e1e
20
Vigesimal
3h8efi
36
Base36
7dk4e
md5
4e7c3def0cc025bd2c9bb7814ca5f3b9
sha1
aa0952c63386c7acf078cb2afde61a85351b9cd3
sha256
2e732ccb556eef9e16078434dee93543903c58897bb013e72dfe266d392596d5
sha512
a679e310ec5a38007f641d7ce6e48cfe4040eb332bf90d73b0cb05a7a2278e69f432a703989c3a0aa4c1971660aa3bf75bc63013764dc3045b2ab3cb0627821e
ripemd-160
88b2988d6457745ec780ef90dd35112f255da6d2
Diameter
24779836
Circumference
77848150.73476
Area
4.8226610202766E+14
Volume
7.9669832777364E+21
Surface area
1.9290644081106E+15
Circumference
77848150.73476
Perimeter
49559672
Area
153510068046724
Diagonal
17521990.072291
Surface area
921060408280344
Volume
1.9019771552733E+21
Space diagonal
21459967.477612
Perimeter
37169754
Area
66471809332570
Altitude
10729983.738806
Surface area
66471809332570
Volume
2.2415015735928E+20
Height
5840663.3574302