12987718 (number)

12987718 is an even 8-digits composite number following 12987717 and preceding 12987719. In scientific notation, it is written as 1.2987718 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 6426816 positive integers (up to 12987718) that are relatively prime to 12987718.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2987718 × 10^7
Engineering notation 1.2987718 × 10^6

Prime Factorization of 12987718

Prime Factorization 2 × 97 × 66947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12987718
Product of the distinct prime numbers

The prime factorization of 12987718 is 2 × 97 × 66947. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987718)

Multiplication

n×y
n×2 25975436
n×3 38963154
n×4 51950872
n×5 64938590

Division

n÷y
n÷2 6493859
n÷3 4329239.3333333
n÷3 3246929.5
n÷5 2597543.6

Exponentiation

ny
n2 168680818847524
n3 2.1907789072007E+21
n4 2.8453218647071E+28
n5 3.695423799805E+35

Nth Root

y√n
2√n 3603.847666037
3√n 235.05939648463
4√n 60.032055320778
5√n 26.467112907398

Divisors of 12987718

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 -12987717
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 12987718 can be divided by 8 positive divisors. The sum of these divisors (counting 12987718) is 1, the average is 0.125.

Base conversion 12987718

Base System Value
2 Binary 110001100010110101000110
3 Ternary 220102211210121
4 Quaternary 301202311012
5 Quinary 11311101333
6 Senary 1142212154
8 Octal 61426506
10 Decimal 12987718
12 Duodecimal 442405a
16 Hexadecimal c62d46
20 Vigesimal 41395i
36 Base36 7qddy

Cryptographic Hash Functions

md5 28241ebb4ef1e4bc386998e5923dcde1
sha1 b9d8c9263346fdfc853f99755d331b90a1ab70e0
sha256 c84ab80ee764c7675bc8aa4a0a116e4df90f191a5fbebe7092f4eadd953b4428
sha512 ef86a1e8fdc61c08cb7abf0a7f7857177819fab701969b88032fedf67a24c7b3bee41e606f6b922562e58617acd729648185085ca93ad335165273b7c5995dc9
ripemd-160 3c819576229d3b5945779d51a691cfbfeaa9c5af

12987718 as geometric shapes

Circle

Radius = n
Diameter 25975436
Circumference 81604238.911392
Area 5.2992642129289E+14

Sphere

Radius = n
Volume 9.176713227335E+21
Surface area 2.1197056851716E+15
Circumference 81604238.911392

Square

Length = n
Perimeter 51950872
Area 168680818847524
Diagonal 18367406.939877

Cube

Length = n
Surface area 1012084913085144
Volume 2.1907789072007E+21
Space diagonal 22495387.450377

Equilateral Triangle

Length = n
Perimeter 38963154
Area 73040937126558
Altitude 11247693.725188

Triangular Pyramid

Length = n
Surface area 73040937126558
Volume 2.5818577022701E+20
Height 6122468.9799591