12805561 (number)

12805561 is an odd 8-digits composite number following 12805560 and preceding 12805562. In scientific notation, it is written as 1.2805561 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12798324 positive integers (up to 12805561) that are relatively prime to 12805561.

Interesting facts

Basic properties

Name

Name twelve million eight hundred five thousand five hundred sixty-one

Notation

Scientific notation 1.2805561 × 10^7
Engineering notation 1.2805561 × 10^6

Prime Factorization of 12805561

Prime Factorization 4159 × 3079

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12805561
Product of the distinct prime numbers

The prime factorization of 12805561 is 4159 × 3079. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12805561)

Multiplication

n×y
n×2 25611122
n×3 38416683
n×4 51222244
n×5 64027805

Division

n÷y
n÷2 6402780.5
n÷3 4268520.3333333
n÷3 3201390.25
n÷5 2561112.2

Exponentiation

ny
n2 163982392524721
n3 2.0998865304013E+21
n4 2.6890225058132E+28
n5 3.4434441728563E+35

Nth Root

y√n
2√n 3578.4858529831
3√n 233.95529011621
4√n 59.820446780203
5√n 26.392450874413

Divisors of 12805561

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 -12805560
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 12805561 can be divided by 4 positive divisors. The sum of these divisors (counting 12805561) is 1, the average is 0.25.

Base conversion 12805561

Base System Value
2 Binary 110000110110010110111001
3 Ternary 220002120221001
4 Quaternary 300312112321
5 Quinary 11234234221
6 Senary 1134245001
8 Octal 60662671
10 Decimal 12805561
12 Duodecimal 4356761
16 Hexadecimal c365b9
20 Vigesimal 400di1
36 Base36 7mgu1

Cryptographic Hash Functions

md5 3ff5d9db7ad02e29dd67863dc4aa873b
sha1 d4ee95d55edbefd7a277747546fc7ab99c6762b5
sha256 37c9d33619b5cf1d39759a878190dc236d3b87cd7f793b1a03a1c293bd6810f5
sha512 dd9b4cde1be8be78ab5d96fac07cccae0dbd32a92cd4d908e2f7f6b7f4c912b58a2854008fae59690926f05ef6f74274736b03db3d40d378a15d264577710d2a
ripemd-160 94cafd8766d2cc989f7875747b78964d7f0ace12

12805561 as geometric shapes

Circle

Radius = n
Diameter 25611122
Circumference 80459712.725392
Area 5.1516587967374E+14

Sphere

Radius = n
Volume 8.7959841297077E+21
Surface area 2.060663518695E+15
Circumference 80459712.725392

Square

Length = n
Perimeter 51222244
Area 163982392524721
Diagonal 18109798.039996

Cube

Length = n
Surface area 983894355148326
Volume 2.0998865304013E+21
Space diagonal 22179882.271423

Equilateral Triangle

Length = n
Perimeter 38416683
Area 71006458849880
Altitude 11089941.135711

Triangular Pyramid

Length = n
Surface area 71006458849880
Volume 2.4747400089484E+20
Height 6036599.3466653