12806987 (number)

12806987 is an odd 8-digits composite number following 12806986 and preceding 12806988. In scientific notation, it is written as 1.2806987 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 12799776 positive integers (up to 12806987) that are relatively prime to 12806987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2806987 × 10^7
Engineering notation 1.2806987 × 10^6

Prime Factorization of 12806987

Prime Factorization 3163 × 4049

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12806987
Product of the distinct prime numbers

The prime factorization of 12806987 is 3163 × 4049. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12806987)

Multiplication

n×y
n×2 25613974
n×3 38420961
n×4 51227948
n×5 64034935

Division

n÷y
n÷2 6403493.5
n÷3 4268995.6666667
n÷3 3201746.75
n÷5 2561397.4

Exponentiation

ny
n2 164018916018169
n3 2.1005881251988E+21
n4 2.6902204811775E+28
n5 3.4453618729574E+35

Nth Root

y√n
2√n 3578.6850937181
3√n 233.96397404816
4√n 59.82211208005
5√n 26.393038649656

Divisors of 12806987

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 -12806986
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 12806987 can be divided by 4 positive divisors. The sum of these divisors (counting 12806987) is 1, the average is 0.25.

Base conversion 12806987

Base System Value
2 Binary 110000110110101101001011
3 Ternary 220002122212212
4 Quaternary 300312231023
5 Quinary 11234310422
6 Senary 1134255335
8 Octal 60665513
10 Decimal 12806987
12 Duodecimal 435754b
16 Hexadecimal c36b4b
20 Vigesimal 400h97
36 Base36 7mhxn

Cryptographic Hash Functions

md5 6c6f2a37927a1d4913e432fcc4efd7b8
sha1 bbc4f6aad6386885c7ed2d7e70999c226d8692a6
sha256 ecca1402d27a9719011200dc1f452b98e10986ac4881b9ee8106aa5ea728ab9a
sha512 1f0d50e3fa72dd6d8abb2c476974383af8a66159ef909b4e2502af270dd9b6e573224406a7ad133533fc7eb8f8cd3ee057757ab51556b011e39c2b1d921f848d
ripemd-160 2b84acd5883d85b6bbcd3e719888905211b7aa60

12806987 as geometric shapes

Circle

Radius = n
Diameter 25613974
Circumference 80468672.54764
Area 5.1528062161244E+14

Sphere

Radius = n
Volume 8.7989229631233E+21
Surface area 2.0611224864498E+15
Circumference 80468672.54764

Square

Length = n
Perimeter 51227948
Area 164018916018169
Diagonal 18111814.708536

Cube

Length = n
Surface area 984113496109014
Volume 2.1005881251988E+21
Space diagonal 22182352.175874

Equilateral Triangle

Length = n
Perimeter 38420961
Area 71022273986460
Altitude 11091176.087937

Triangular Pyramid

Length = n
Surface area 71022273986460
Volume 2.4755668463467E+20
Height 6037271.569512