12561 (number)

12561 is an odd 5-digits composite number following 12560 and preceding 12562. In scientific notation, it is written as 1.2561 × 10^4. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 8112 positive integers (up to 12561) that are relatively prime to 12561.

Interesting facts

Basic properties

Name

Name twelve thousand five hundred sixty-one

Notation

Scientific notation 1.2561 × 10^4
Engineering notation 1.2561 × 10^3

Prime Factorization of 12561

Prime Factorization 3 × 79 × 53

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12561
Product of the distinct prime numbers

The prime factorization of 12561 is 3 × 79 × 53. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 86, 35, 292, 803, 5107, 625, 90393, 67198, 100959, 262215, 9260081, 7261506, 22705933, 11798925, 352929006, 91517389, 9097696618, 3770070380

Basic calculations (n = 12561)

Multiplication

n×y
n×2 25122
n×3 37683
n×4 50244
n×5 62805

Division

n÷y
n÷2 6280.5
n÷3 4187
n÷3 3140.25
n÷5 2512.2

Exponentiation

ny
n2 157778721
n3 1981858514481
n4 24894124800395841
n5 3.1269510161777E+20

Nth Root

y√n
2√n 112.07586716149
3√n 23.24563451394
4√n 10.586589023925
5√n 6.6039662198311

Divisors of 12561

1, 3, 53, 79, 159, 237, 4187, 12561

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 -12560
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 12561 can be divided by 8 positive divisors. The sum of these divisors (counting 12561) is 1, the average is 0.125.

Base conversion 12561

Base System Value
2 Binary 11000100010001
3 Ternary 122020020
4 Quaternary 3010101
5 Quinary 400221
6 Senary 134053
8 Octal 30421
10 Decimal 12561
12 Duodecimal 7329
16 Hexadecimal 3111
20 Vigesimal 1b81
36 Base36 9ox

Cryptographic Hash Functions

md5 1514f187930072575629709336826443
sha1 11ad37afdc57655ccb3c7ad4d3265e8fed4694ca
sha256 74f936a9cfddbc010d5cdbf5966f48b43a7e62049260ece4b0f64ab54beade0d
sha512 35f570384ce19f6863b48ad0b0b350f2418e4a48584f3dbd270782a45b5140dfb2da762f99a8676a5f56fbe20cc530f6af9063c22562daec8bd9ee5173dbe547
ripemd-160 fbe899e211703dc27390240a74570aa08ad02d08

12561 as geometric shapes

Circle

Radius = n
Diameter 25122
Circumference 78923.090643483
Area 495676470.78639

Sphere

Radius = n
Volume 8301589532730.5
Surface area 1982705883.1456
Circumference 78923.090643483

Square

Length = n
Perimeter 50244
Area 157778721
Diagonal 17763.936556968

Cube

Length = n
Surface area 946672326
Volume 1981858514481
Space diagonal 21756.290193873

Equilateral Triangle

Length = n
Perimeter 37683
Area 68320190.281309
Altitude 10878.145096936

Triangular Pyramid

Length = n
Surface area 68320190.281309
Volume 233564265823.64
Height 5921.3121856561