12987730 (number)

12987730 is an even 8-digits composite number following 12987729 and preceding 12987731. In scientific notation, it is written as 1.2987730 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 4452912 positive integers (up to 12987730) that are relatively prime to 12987730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2987730 × 10^7
Engineering notation 1.2987730 × 10^6

Prime Factorization of 12987730

Prime Factorization 2 × 35 × 185539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12987730
Product of the distinct prime numbers

The prime factorization of 12987730 is 2 × 35 × 185539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987730)

Multiplication

n×y
n×2 25975460
n×3 38963190
n×4 51950920
n×5 64938650

Division

n÷y
n÷2 6493865
n÷3 4329243.3333333
n÷3 3246932.5
n÷5 2597546

Exponentiation

ny
n2 168681130552900
n3 2.1907849797158E+21
n4 2.8453323804604E+28
n5 3.6954408717678E+35

Nth Root

y√n
2√n 3603.8493309238
3√n 235.05946887897
4√n 60.032069187425
5√n 26.467117798253

Divisors of 12987730

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 -12987729
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 12987730 can be divided by 8 positive divisors. The sum of these divisors (counting 12987730) is 1, the average is 0.125.

Base conversion 12987730

Base System Value
2 Binary 110001100010110101010010
3 Ternary 220102211211001
4 Quaternary 301202311102
5 Quinary 11311101410
6 Senary 1142212214
8 Octal 61426522
10 Decimal 12987730
12 Duodecimal 442406a
16 Hexadecimal c62d52
20 Vigesimal 41396a
36 Base36 7qdea

Cryptographic Hash Functions

md5 2481b0c1ba63ffc56ddb5e61d0f0bed5
sha1 6a2a3b562975f11dda0aa7f922398df38a58aec6
sha256 a270865b4d7305b32de6d2e950285847160296bb71aedc65f2bab10c8a1b9ad3
sha512 7fd8c09a6c274d2b8517b102508e422af79fafda69ec008247b2e55c3e98e85498350b070cd8e050154c5780231df0b4b4ad80e4fb90351813ed80d3aec579ec
ripemd-160 293ac0ff378da01bbe9b23df4a5f634b1a428f59

12987730 as geometric shapes

Circle

Radius = n
Diameter 25975460
Circumference 81604314.309616
Area 5.2992740054421E+14

Sphere

Radius = n
Volume 9.1767386638268E+21
Surface area 2.1197096021768E+15
Circumference 81604314.309616

Square

Length = n
Perimeter 51950920
Area 168681130552900
Diagonal 18367423.91044

Cube

Length = n
Surface area 1012086783317400
Volume 2.1907849797158E+21
Space diagonal 22495408.234987

Equilateral Triangle

Length = n
Perimeter 38963190
Area 73041072098945
Altitude 11247704.117493

Triangular Pyramid

Length = n
Surface area 73041072098945
Volume 2.5818648587978E+20
Height 6122474.6368133