12561639 (number)

12561639 is an odd 8-digits composite number following 12561638 and preceding 12561640. In scientific notation, it is written as 1.2561639 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 8374424 positive integers (up to 12561639) that are relatively prime to 12561639.

Interesting facts

Basic properties

Name

Name twelve million five hundred sixty-one thousand six hundred thirty-nine

Notation

Scientific notation 1.2561639 × 10^7
Engineering notation 1.2561639 × 10^6

Prime Factorization of 12561639

Prime Factorization 3 × 4187213

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12561639
Product of the distinct prime numbers

The prime factorization of 12561639 is 3 × 4187213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561639)

Multiplication

n×y
n×2 25123278
n×3 37684917
n×4 50246556
n×5 62808195

Division

n÷y
n÷2 6280819.5
n÷3 4187213
n÷3 3140409.75
n÷5 2512327.8

Exponentiation

ny
n2 157794774366321
n3 1.9821609916762E+21
n4 2.4899190817318E+28
n5 3.1277464643927E+35

Nth Root

y√n
2√n 3544.2402570932
3√n 232.4602868926
4√n 59.533522129076
5√n 26.291130549056

Divisors of 12561639

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 -12561638
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 12561639 can be divided by 4 positive divisors. The sum of these divisors (counting 12561639) is 1, the average is 0.25.

Base conversion 12561639

Base System Value
2 Binary 101111111010110011100111
3 Ternary 212122012022220
4 Quaternary 233322303213
5 Quinary 11203433024
6 Senary 1125123423
8 Octal 57726347
10 Decimal 12561639
12 Duodecimal 4259573
16 Hexadecimal bface7
20 Vigesimal 3ia41j
36 Base36 7h8mf

Cryptographic Hash Functions

md5 9cf4fbd03a0bb455cb52690b1b67c3af
sha1 052d6deaf63794b16901dfda4057fa1d910f84cf
sha256 4f75e9f7d2bf7e94298888279de8bf0a1d5a9b297b60caac864c4ad7eb1c3000
sha512 19b997380708d070beacd4d922549223de51232d13a938d9661fe40382522ab75dfb49d683159d41d3d31836674633c662dd51e58ae48f05871f928a3fb1fd3f
ripemd-160 77ee365d4f0a319729c857bec95774cb055616ac

12561639 as geometric shapes

Circle

Radius = n
Diameter 25123278
Circumference 78927105.598894
Area 4.9572690392409E+14

Sphere

Radius = n
Volume 8.3028565462429E+21
Surface area 1.9829076156964E+15
Circumference 78927105.598894

Square

Length = n
Perimeter 50246556
Area 157794774366321
Diagonal 17764840.239435

Cube

Length = n
Surface area 946768646197926
Volume 1.9821609916762E+21
Space diagonal 21757396.974339

Equilateral Triangle

Length = n
Perimeter 37684917
Area 68327141592834
Altitude 10878698.487169

Triangular Pyramid

Length = n
Surface area 68327141592834
Volume 2.3359991310295E+20
Height 5921613.4131449