12561642 (number)

12561642 is an even 8-digits composite number following 12561641 and preceding 12561643. In scientific notation, it is written as 1.2561642 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 4187052 positive integers (up to 12561642) that are relatively prime to 12561642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561642 × 10^7
Engineering notation 1.2561642 × 10^6

Prime Factorization of 12561642

Prime Factorization 2 × 243 × 25847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12561642
Product of the distinct prime numbers

The prime factorization of 12561642 is 2 × 243 × 25847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561642)

Multiplication

n×y
n×2 25123284
n×3 37684926
n×4 50246568
n×5 62808210

Division

n÷y
n÷2 6280821
n÷3 4187214
n÷3 3140410.5
n÷5 2512328.4

Exponentiation

ny
n2 157794849736164
n3 1.9821624118295E+21
n4 2.4899214603259E+28
n5 3.1277501992731E+35

Nth Root

y√n
2√n 3544.240680315
3√n 232.46030539817
4√n 59.533525683559
5√n 26.291131804838

Divisors of 12561642

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 -12561641
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 12561642 can be divided by 8 positive divisors. The sum of these divisors (counting 12561642) is 1, the average is 0.125.

Base conversion 12561642

Base System Value
2 Binary 101111111010110011101010
3 Ternary 212122012100000
4 Quaternary 233322303222
5 Quinary 11203433032
6 Senary 1125123430
8 Octal 57726352
10 Decimal 12561642
12 Duodecimal 4259576
16 Hexadecimal bfacea
20 Vigesimal 3ia422
36 Base36 7h8mi

Cryptographic Hash Functions

md5 20600ad0ed5ce88090d047ab0e3f1949
sha1 6713ed1fd3f6cfff32afcc261379c82f0a2ce00d
sha256 a3c1c1a7810c99b724693b1c8db61efece074c8224a9b43d9750f8079b1ededc
sha512 68f32dde38f0ca412e0ead593c97d64e74fff0d373b87ab2295e291c70b4a2e419d29063249467001a6e8f0333873be45ff14ea2f3d4ef5f9412eaf9077d0403
ripemd-160 0a890e284b0c67826e39c0162087f92d71cb9c41

12561642 as geometric shapes

Circle

Radius = n
Diameter 25123284
Circumference 78927124.44845
Area 4.9572714070544E+14

Sphere

Radius = n
Volume 8.3028624949671E+21
Surface area 1.9829085628218E+15
Circumference 78927124.44845

Square

Length = n
Perimeter 50246568
Area 157794849736164
Diagonal 17764844.482075

Cube

Length = n
Surface area 946769098416984
Volume 1.9821624118295E+21
Space diagonal 21757402.170491

Equilateral Triangle

Length = n
Perimeter 37684926
Area 68327174228933
Altitude 10878701.085246

Triangular Pyramid

Length = n
Surface area 68327174228933
Volume 2.3360008046962E+20
Height 5921614.8273585