12561645 (number)

12561645 is an odd 8-digits composite number following 12561644 and preceding 12561646. In scientific notation, it is written as 1.2561645 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6639360 positive integers (up to 12561645) that are relatively prime to 12561645.

Interesting facts

Basic properties

Name

Name twelve million five hundred sixty-one thousand six hundred forty-five

Notation

Scientific notation 1.2561645 × 10^7
Engineering notation 1.2561645 × 10^6

Prime Factorization of 12561645

Prime Factorization 3 × 5 × 113 × 7411

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12561645
Product of the distinct prime numbers

The prime factorization of 12561645 is 3 × 5 × 113 × 7411. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561645)

Multiplication

n×y
n×2 25123290
n×3 37684935
n×4 50246580
n×5 62808225

Division

n÷y
n÷2 6280822.5
n÷3 4187215
n÷3 3140411.25
n÷5 2512329

Exponentiation

ny
n2 157794925106025
n3 1.9821638319835E+21
n4 2.4899238389216E+28
n5 3.127753934157E+35

Nth Root

y√n
2√n 3544.2411035368
3√n 232.46032390373
4√n 59.533529238042
5√n 26.291133060619

Divisors of 12561645

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12561644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12561645 can be divided by 16 positive divisors. The sum of these divisors (counting 12561645) is 1, the average is 0.0625.

Base conversion 12561645

Base System Value
2 Binary 101111111010110011101101
3 Ternary 212122012100010
4 Quaternary 233322303231
5 Quinary 11203433040
6 Senary 1125123433
8 Octal 57726355
10 Decimal 12561645
12 Duodecimal 4259579
16 Hexadecimal bfaced
20 Vigesimal 3ia425
36 Base36 7h8ml

Cryptographic Hash Functions

md5 e5197be6138b6360427e11dce8b6c2ad
sha1 b07fcf4f7db662c16ee1ecb9c668e3fd8b90316a
sha256 e63021491ecf9e0874d17f2c865466bf96a27df30ffee37f9257688f9fa50656
sha512 a62c6133201a58dcd9ca74b5fee62401022a3898543899b9fd05a7fc48be9cfa8f80c374833ea7d9a017435c26d43cd40a32fdd7204b8dcfd564770790516d65
ripemd-160 083c10bd5f8e9175027ff6ca767af81d3d7ed896

12561645 as geometric shapes

Circle

Radius = n
Diameter 25123290
Circumference 78927143.298006
Area 4.9572737748684E+14

Sphere

Radius = n
Volume 8.3028684436942E+21
Surface area 1.9829095099474E+15
Circumference 78927143.298006

Square

Length = n
Perimeter 50246580
Area 157794925106025
Diagonal 17764848.724716

Cube

Length = n
Surface area 946769550636150
Volume 1.9821638319835E+21
Space diagonal 21757407.366644

Equilateral Triangle

Length = n
Perimeter 37684935
Area 68327206865040
Altitude 10878703.683322

Triangular Pyramid

Length = n
Surface area 68327206865040
Volume 2.3360024783637E+20
Height 5921616.2415721