12887939 (number)

12887939 is an odd 8-digits composite number following 12887938 and preceding 12887940. In scientific notation, it is written as 1.2887939 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 12852456 positive integers (up to 12887939) that are relatively prime to 12887939.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-seven thousand nine hundred thirty-nine

Notation

Scientific notation 1.2887939 × 10^7
Engineering notation 1.2887939 × 10^6

Prime Factorization of 12887939

Prime Factorization 35117 × 367

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12887939
Product of the distinct prime numbers

The prime factorization of 12887939 is 35117 × 367. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12887939)

Multiplication

n×y
n×2 25775878
n×3 38663817
n×4 51551756
n×5 64439695

Division

n÷y
n÷2 6443969.5
n÷3 4295979.6666667
n÷3 3221984.75
n÷5 2577587.8

Exponentiation

ny
n2 166098971667721
n3 2.1406734148163E+21
n4 2.7588868389074E+28
n5 3.5556365287742E+35

Nth Root

y√n
2√n 3589.9775765316
3√n 234.45589525184
4√n 59.91642159318
5√n 26.426320289197

Divisors of 12887939

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 -12887938
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 12887939 can be divided by 4 positive divisors. The sum of these divisors (counting 12887939) is 1, the average is 0.25.

Base conversion 12887939

Base System Value
2 Binary 110001001010011110000011
3 Ternary 220020202221002
4 Quaternary 301022132003
5 Quinary 11244403224
6 Senary 1140122215
8 Octal 61123603
10 Decimal 12887939
12 Duodecimal 439636b
16 Hexadecimal c4a783
20 Vigesimal 40ajgj
36 Base36 7o8eb

Cryptographic Hash Functions

md5 b68b68ffdb745eb00bcecc3d25e01bff
sha1 91447bbe190717c28c5e5fdf054c3e0fc1fb931a
sha256 faf4c13d7f1a237816892170cd2d6dbe1657a07466ad7adab2acafa4477b2b0b
sha512 d38a9c1e190631d37be3da02a42072963eca86bec52c380f258d782a01a8669b30de4fd114920c5794e51d5b4874713f9d3e00c8397e2506009c1c2e7acd6c6f
ripemd-160 d17f0ab42eaae8c99c6759006283fd52c2a3249c

12887939 as geometric shapes

Circle

Radius = n
Diameter 25775878
Circumference 80977308.964627
Area 5.2181530916013E+14

Sphere

Radius = n
Volume 8.9668318316292E+21
Surface area 2.0872612366405E+15
Circumference 80977308.964627

Square

Length = n
Perimeter 51551756
Area 166098971667721
Diagonal 18226298.124837

Cube

Length = n
Surface area 996593830006326
Volume 2.1406734148163E+21
Space diagonal 22322565.152848

Equilateral Triangle

Length = n
Perimeter 38663817
Area 71922964503359
Altitude 11161282.576424

Triangular Pyramid

Length = n
Surface area 71922964503359
Volume 2.522807813204E+20
Height 6075432.708279