12779781 (number)

12779781 is an odd 8-digits composite number following 12779780 and preceding 12779782. In scientific notation, it is written as 1.2779781 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 6937920 positive integers (up to 12779781) that are relatively prime to 12779781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2779781 × 10^7
Engineering notation 1.2779781 × 10^6

Prime Factorization of 12779781

Prime Factorization 3 × 67 × 7 × 31 × 293

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12779781
Product of the distinct prime numbers

The prime factorization of 12779781 is 3 × 67 × 7 × 31 × 293. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12779781)

Multiplication

n×y
n×2 25559562
n×3 38339343
n×4 51119124
n×5 63898905

Division

n÷y
n÷2 6389890.5
n÷3 4259927
n÷3 3194945.25
n÷5 2555956.2

Exponentiation

ny
n2 163322802407961
n3 2.08722964708E+21
n4 2.667433778639E+28
n5 3.4089219523009E+35

Nth Root

y√n
2√n 3574.8819560931
3√n 233.79818599201
4√n 59.790316574618
5√n 26.381815714369

Divisors of 12779781

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12779780
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12779781 can be divided by 32 positive divisors. The sum of these divisors (counting 12779781) is 1, the average is 0.03125.

Base conversion 12779781

Base System Value
2 Binary 110000110000000100000101
3 Ternary 220001021120020
4 Quaternary 300300010011
5 Quinary 11232423111
6 Senary 1133525353
8 Octal 60600405
10 Decimal 12779781
12 Duodecimal 4343859
16 Hexadecimal c30105
20 Vigesimal 3jh991
36 Base36 7lwxx

Cryptographic Hash Functions

md5 d6bffca0735483de3515a3b145f3d269
sha1 bf873a95e2ab6e2f387facb270da2d512bc8a169
sha256 11db74053a6bf684cf81c6a0ab67792c2f3ae8de3d37fb7cacd9e52170e8128e
sha512 d821bc2bf3e819c1b67938630befb618f77731016db187638ec67d4b7b54ee04871138705299d780ce50403c590aed58eb0a015920e5ae39f0a823d0630ca794
ripemd-160 df4978677d7f8e07b2ad8b90523ee0312ddf2be2

12779781 as geometric shapes

Circle

Radius = n
Diameter 25559562
Circumference 80297732.208173
Area 5.1309371620855E+14

Sphere

Radius = n
Volume 8.7429671008285E+21
Surface area 2.0523748648342E+15
Circumference 80297732.208173

Square

Length = n
Perimeter 51119124
Area 163322802407961
Diagonal 18073339.614358

Cube

Length = n
Surface area 979936814447766
Volume 2.08722964708E+21
Space diagonal 22135230.001603

Equilateral Triangle

Length = n
Perimeter 38339343
Area 70720847951280
Altitude 11067615.000802

Triangular Pyramid

Length = n
Surface area 70720847951280
Volume 2.4598237289065E+20
Height 6024446.5381193