12945897 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million nine hundred forty-five thousand eight hundred ninety-seven

Notation

Scientific notation 1.2945897 × 10^7
Engineering notation 1.2945897 × 10^6

Prime Factorization of 12945897

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.

Most popular turbo-numbers

Basic calculations (n = 12945897)

Multiplication

n×y
n×2 25891794
n×3 38837691
n×4 51783588
n×5 64729485

Division

n÷y
n÷2 6472948.5
n÷3 4315299
n÷3 3236474.25
n÷5 2589179.4

Exponentiation

ny
n2 167596249134609
n3 2.169683778883E+21
n4 2.808850272399E+28
n5 3.6363086314899E+35

Nth Root

y√n
2√n 3598.0407168346
3√n 234.80682480136
4√n 59.983670418162
5√n 26.450045866503

Divisors of 12945897

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 conversion 12945897

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

Cryptographic Hash Functions

md5 8d08e1619d4b7d7886c7ac56aa88c291
sha1 4e7589204074688505f4b1e9fdf8ced86ca2fe6c
sha256 2e0985238fb6e4bd6c23efcfde013ca9404851fd698633f2305442faaf2704d4
sha512 c3c4ab13749b70430c94f4b82fd3669d59e8e99277452657a7d97f26c81c74a2ab6bab5f812306c2f0b7347bf5b3c9725f20265538826b04792e9dd7ee9e459c
ripemd-160 4f964bd98cc21f0f9447df71d290946c892d8a77

12945897 as geometric shapes

Circle

Radius = n
Diameter 25891794
Circumference 81341469.81866
Area 5.2651914505049E+14

Sphere

Radius = n
Volume 9.088350160469E+21
Surface area 2.106076580202E+15
Circumference 81341469.81866

Square

Length = n
Perimeter 51783588
Area 167596249134609
Diagonal 18308263.114485

Cube

Length = n
Surface area 1005577494807654
Volume 2.169683778883E+21
Space diagonal 22422951.353554

Equilateral Triangle

Length = n
Perimeter 38837691
Area 72571304664779
Altitude 11211475.676777

Triangular Pyramid

Length = n
Surface area 72571304664779
Volume 2.556996855131E+20
Height 6102754.3714951