12945897 is an odd 8-digits composite number following 12945896
and preceding 12945898 . In scientific notation, it is written as 1.2945897 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 8176248 positive integers (up to 12945897) that are relatively prime to 12945897.
12945897 has 8 divisors, whose sum is 15141600
The reverse of 12945897 is 79854921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million nine hundred forty-five thousand eight hundred ninety-seven
Scientific notation
1.2945897 × 10^7
Engineering notation
1.2945897 × 10^6
Prime Factorization
9 × 19 × 75707
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12945897
Product of the distinct prime numbers
The prime factorization of 12945897 is 9 × 19 × 75707.
Since it has a total of 3 prime factors.
10 , 3 , 20 , 47 , 432 , 629 , 823 , 7930 , 74678 , 22279 , 528082 , 587571 , 6167691 , 1161782 , 83408179 , 22503927 , 621494955 , 975382243 , 8458795344 , 2410073070
n×2
25891794
n×3
38837691
n×4
51783588
n×5
64729485
n÷2
6472948.5
n÷3
4315299
n÷3
3236474.25
n÷5
2589179.4
n2
167596249134609
n3
2.169683778883E+21
n4
2.808850272399E+28
n5
3.6363086314899E+35
2 √n
3598.0407168346
3 √n
234.80682480136
4 √n
59.983670418162
5 √n
26.450045866503
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
-12945896
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 12945897 can be divided by 8 positive divisors.
The sum of these divisors (counting 12945897) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001011000100111101001
3
Ternary
220100201102200
4
Quaternary
301120213221
5
Quinary
11303232042
6
Senary
1141250413
8
Octal
61304751
10
Decimal
12945897
12
Duodecimal
4403a09
16
Hexadecimal
c589e9
20
Vigesimal
40i4eh
36
Base36
7ph49
md5
8d08e1619d4b7d7886c7ac56aa88c291
sha1
4e7589204074688505f4b1e9fdf8ced86ca2fe6c
sha256
2e0985238fb6e4bd6c23efcfde013ca9404851fd698633f2305442faaf2704d4
sha512
c3c4ab13749b70430c94f4b82fd3669d59e8e99277452657a7d97f26c81c74a2ab6bab5f812306c2f0b7347bf5b3c9725f20265538826b04792e9dd7ee9e459c
ripemd-160
4f964bd98cc21f0f9447df71d290946c892d8a77
Diameter
25891794
Circumference
81341469.81866
Area
5.2651914505049E+14
Volume
9.088350160469E+21
Surface area
2.106076580202E+15
Circumference
81341469.81866
Perimeter
51783588
Area
167596249134609
Diagonal
18308263.114485
Surface area
1005577494807654
Volume
2.169683778883E+21
Space diagonal
22422951.353554
Perimeter
38837691
Area
72571304664779
Altitude
11211475.676777
Surface area
72571304664779
Volume
2.556996855131E+20
Height
6102754.3714951