12945906 (number)

12945906 is an even 8-digits composite number following 12945905 and preceding 12945907. In scientific notation, it is written as 1.2945906 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 40 positive divisors. There are 4279392 positive integers (up to 12945906) that are relatively prime to 12945906.

Interesting facts

Basic properties

Name

Name twelve million nine hundred forty-five thousand nine hundred six

Notation

Scientific notation 1.2945906 × 10^7
Engineering notation 1.2945906 × 10^6

Prime Factorization of 12945906

Prime Factorization 2 × 3 × 3 × 9 × 157 × 509

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4315302
Product of the distinct prime numbers

The prime factorization of 12945906 is 2 × 3 × 3 × 9 × 157 × 509. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12945906)

Multiplication

n×y
n×2 25891812
n×3 38837718
n×4 51783624
n×5 64729530

Division

n÷y
n÷2 6472953
n÷3 4315302
n÷3 3236476.5
n÷5 2589181.2

Exponentiation

ny
n2 167596482160836
n3 2.1696883039849E+21
n4 2.8088580832687E+28
n5 3.6363212713337E+35

Nth Root

y√n
2√n 3598.0419675151
3√n 234.80687921399
4√n 59.983680843335
5√n 26.450049544122

Divisors of 12945906

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12945905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12945906 can be divided by 40 positive divisors. The sum of these divisors (counting 12945906) is 1, the average is 0.025.

Base conversion 12945906

Base System Value
2 Binary 110001011000100111110010
3 Ternary 220100201110000
4 Quaternary 301120213302
5 Quinary 11303232111
6 Senary 1141250430
8 Octal 61304762
10 Decimal 12945906
12 Duodecimal 4403a16
16 Hexadecimal c589f2
20 Vigesimal 40i4f6
36 Base36 7ph4i

Cryptographic Hash Functions

md5 c753b0c5617b5a0aa206aab64d928450
sha1 646b3ec3fbf33a743281bb294ea358995e525e63
sha256 9f4e7c697f153f0369b65f73f2d01a8657e4fb94d9c992bd3a0b960fe66b3707
sha512 37ed2e22d528d9e09e43b71343e847ac1b56cef93b6367a65bf3faa45306588b270cb793488249d5a5ae9afd7f1ded344aa2f0e8c81b2063e63dd53362eb3acb
ripemd-160 e08612397da4d7ee2edc0a30872d23da1474f108

12945906 as geometric shapes

Circle

Radius = n
Diameter 25891812
Circumference 81341526.367328
Area 5.2651987712398E+14

Sphere

Radius = n
Volume 9.0883691151714E+21
Surface area 2.1060795084959E+15
Circumference 81341526.367328

Square

Length = n
Perimeter 51783624
Area 167596482160836
Diagonal 18308275.842407

Cube

Length = n
Surface area 1005578892965016
Volume 2.1696883039849E+21
Space diagonal 22422966.942011

Equilateral Triangle

Length = n
Perimeter 38837718
Area 72571405568095
Altitude 11211483.471005

Triangular Pyramid

Length = n
Surface area 72571405568095
Volume 2.5570021880147E+20
Height 6102758.6141357