12886945 (number)

12886945 is an odd 8-digits composite number following 12886944 and preceding 12886946. In scientific notation, it is written as 1.2886945 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 10309552 positive integers (up to 12886945) that are relatively prime to 12886945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2886945 × 10^7
Engineering notation 1.2886945 × 10^6

Prime Factorization of 12886945

Prime Factorization 5 × 2577389

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12886945
Product of the distinct prime numbers

The prime factorization of 12886945 is 5 × 2577389. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12886945)

Multiplication

n×y
n×2 25773890
n×3 38660835
n×4 51547780
n×5 64434725

Division

n÷y
n÷2 6443472.5
n÷3 4295648.3333333
n÷3 3221736.25
n÷5 2577389

Exponentiation

ny
n2 166073351433025
n3 2.1401781458831E+21
n4 2.7580358056197E+28
n5 3.5542655735052E+35

Nth Root

y√n
2√n 3589.839132886
3√n 234.4498675192
4√n 59.915266275683
5√n 26.42591264337

Divisors of 12886945

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 -12886944
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 12886945 can be divided by 4 positive divisors. The sum of these divisors (counting 12886945) is 1, the average is 0.25.

Base conversion 12886945

Base System Value
2 Binary 110001001010001110100001
3 Ternary 220020201120021
4 Quaternary 301022032201
5 Quinary 11244340240
6 Senary 1140113441
8 Octal 61121641
10 Decimal 12886945
12 Duodecimal 4395881
16 Hexadecimal c4a3a1
20 Vigesimal 40ah75
36 Base36 7o7mp

Cryptographic Hash Functions

md5 d3e7c9801536380b08709c719adf17f5
sha1 52d953446c31d5dfe09762a4a50f8d0ed4640218
sha256 cf2c6646f57fc6e740bcd0865db7cb6b6f8883171c18dba97ef4d5a1c6443b74
sha512 ea84b0b22d5378ca248f141ced559b1005b441b7a24a9a6d40e4f6872af93a5a5d61a6cf61f4da8e1f2f0f84d20b0cd0720e2f89d26671062e4528abb9f164e1
ripemd-160 da3f173a7cd883c3cdc167e4b92134124182b2cb

12886945 as geometric shapes

Circle

Radius = n
Diameter 25773890
Circumference 80971063.478431
Area 5.2173482081903E+14

Sphere

Radius = n
Volume 8.9647572539729E+21
Surface area 2.0869392832761E+15
Circumference 80971063.478431

Square

Length = n
Perimeter 51547780
Area 166073351433025
Diagonal 18224892.396556

Cube

Length = n
Surface area 996440108598150
Volume 2.1401781458831E+21
Space diagonal 22320843.494346

Equilateral Triangle

Length = n
Perimeter 38660835
Area 71911870616310
Altitude 11160421.747173

Triangular Pyramid

Length = n
Surface area 71911870616310
Volume 2.5222241331686E+20
Height 6074964.1321854