12789987 (number)

12789987 is an odd 8-digits composite number following 12789986 and preceding 12789988. In scientific notation, it is written as 1.2789987 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 7308552 positive integers (up to 12789987) that are relatively prime to 12789987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2789987 × 10^7
Engineering notation 1.2789987 × 10^6

Prime Factorization of 12789987

Prime Factorization 3 × 7 × 609047

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12789987
Product of the distinct prime numbers

The prime factorization of 12789987 is 3 × 7 × 609047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12789987)

Multiplication

n×y
n×2 25579974
n×3 38369961
n×4 51159948
n×5 63949935

Division

n÷y
n÷2 6394993.5
n÷3 4263329
n÷3 3197496.75
n÷5 2557997.4

Exponentiation

ny
n2 163583767460169
n3 2.0922342592266E+21
n4 2.6759648976463E+28
n5 3.4225556253352E+35

Nth Root

y√n
2√n 3576.3091309337
3√n 233.86040691667
4√n 59.802250216307
5√n 26.386028100195

Divisors of 12789987

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 -12789986
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 12789987 can be divided by 8 positive divisors. The sum of these divisors (counting 12789987) is 1, the average is 0.125.

Base conversion 12789987

Base System Value
2 Binary 110000110010100011100011
3 Ternary 220001210120020
4 Quaternary 300302203203
5 Quinary 11233234422
6 Senary 1134044523
8 Octal 60624343
10 Decimal 12789987
12 Duodecimal 4349743
16 Hexadecimal c328e3
20 Vigesimal 3jiej7
36 Base36 7m4tf

Cryptographic Hash Functions

md5 84632ab3e95b68a17a0116aa50d5c57c
sha1 e403d8c12e2064dcc25287467bc36ab4605d0560
sha256 18c71d5a49fda40ea3fed4630567cc65f3d1634223905d2760afb1dc2510a549
sha512 791cdd8c8705ed53fc784f64f818499f2b3bd888f52763719363d89e7e7b2e681249de1c126e1be592a2acb9e8cf389e406ec2d8cc9e02288decef0d694c5c6c
ripemd-160 525276cf4efefd56d7dd97973beccb3a00a2b8ab

12789987 as geometric shapes

Circle

Radius = n
Diameter 25579974
Circumference 80361858.397418
Area 5.1391356209941E+14

Sphere

Radius = n
Volume 8.7639303711668E+21
Surface area 2.0556542483976E+15
Circumference 80361858.397418

Square

Length = n
Perimeter 51159948
Area 163583767460169
Diagonal 18087773.077976

Cube

Length = n
Surface area 981502604761014
Volume 2.0922342592266E+21
Space diagonal 22152907.312145

Equilateral Triangle

Length = n
Perimeter 38369961
Area 70833849133636
Altitude 11076453.656073

Triangular Pyramid

Length = n
Surface area 70833849133636
Volume 2.4657217208832E+20
Height 6029257.6926585