12389945 is an odd 8-digits composite number following 12389944
and preceding 12389946 . In scientific notation, it is written as 1.2389945 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 9879424 positive integers (up to 12389945) that are relatively prime to 12389945.
12389945 has 8 divisors, whose sum is 14916744
The reverse of 12389945 is 54998321
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million three hundred eighty-nine thousand nine hundred forty-five
Scientific notation
1.2389945 × 10^7
Engineering notation
1.2389945 × 10^6
Prime Factorization
5 × 317 × 7817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12389945
Product of the distinct prime numbers
The prime factorization of 12389945 is 5 × 317 × 7817.
Since it has a total of 3 prime factors.
5 , 5 , 62 , 82 , 889 , 496 , 7210 , 3220 , 52329 , 65179 , 382087 , 941414 , 1336116 , 2710608 , 68749082 , 37782262 , 379993778 , 263794367 , 9398682649 , 3472379620
n×2
24779890
n×3
37169835
n×4
49559780
n×5
61949725
n÷2
6194972.5
n÷3
4129981.6666667
n÷3
3097486.25
n÷5
2477989
n2
153510737103025
n3
1.9019895896159E+21
n4
2.3565546405914E+28
n5
2.9197582386422E+35
2 √n
3519.9353687248
3 √n
231.39632618801
4 √n
59.329043214305
5 √n
26.218864294043
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12389944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12389945 can be divided by 8 positive divisors.
The sum of these divisors (counting 12389945) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111010000111000111001
3
Ternary
212022110210212
4
Quaternary
233100320321
5
Quinary
11132434240
6
Senary
1121320505
8
Octal
57207071
10
Decimal
12389945
12
Duodecimal
4196135
16
Hexadecimal
bd0e39
20
Vigesimal
3h8eh5
36
Base36
7dk55
md5
00a30900ae85e5cfc9961b90b6f4b793
sha1
54e2b47f4588ddd057ca9838ec8e05abb24c1531
sha256
8acd614c59a2afd5f2f0b7b5996f89071be88129e95de655766853f48cbc136c
sha512
25949a77b53186d5a2d198a401bd2b560d469930d95e7b085884e424e8c6f9aa8b8fc004e7b4f3333bd8414a74a87069dd0eafaa8e46229a9ce7466d1481a05f
ripemd-160
638d0552cb3e5a78697b001acc1be9b7727bf065
Diameter
24779890
Circumference
77848320.380763
Area
4.8226820393002E+14
Volume
7.9670353625889E+21
Surface area
1.9290728157201E+15
Circumference
77848320.380763
Perimeter
49559780
Area
153510737103025
Diagonal
17522028.256057
Surface area
921064422618150
Volume
1.9019895896159E+21
Space diagonal
21460014.242984
Perimeter
37169835
Area
66472099042447
Altitude
10730007.121492
Surface area
66472099042447
Volume
2.2415162276061E+20
Height
5840676.0853522