12561643 (number)

12561643 is an odd 8-digits composite number following 12561642 and preceding 12561644. In scientific notation, it is written as 1.2561643 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 12232320 positive integers (up to 12561643) that are relatively prime to 12561643.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561643 × 10^7
Engineering notation 1.2561643 × 10^6

Prime Factorization of 12561643

Prime Factorization 47 × 241 × 1109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12561643
Product of the distinct prime numbers

The prime factorization of 12561643 is 47 × 241 × 1109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561643)

Multiplication

n×y
n×2 25123286
n×3 37684929
n×4 50246572
n×5 62808215

Division

n÷y
n÷2 6280821.5
n÷3 4187214.3333333
n÷3 3140410.75
n÷5 2512328.6

Exponentiation

ny
n2 157794874859449
n3 1.9821628852141E+21
n4 2.4899222531909E+28
n5 3.127751444234E+35

Nth Root

y√n
2√n 3544.240821389
3√n 232.46031156669
4√n 59.533526868387
5√n 26.291132223432

Divisors of 12561643

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 -12561642
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 12561643 can be divided by 8 positive divisors. The sum of these divisors (counting 12561643) is 1, the average is 0.125.

Base conversion 12561643

Base System Value
2 Binary 101111111010110011101011
3 Ternary 212122012100001
4 Quaternary 233322303223
5 Quinary 11203433033
6 Senary 1125123431
8 Octal 57726353
10 Decimal 12561643
12 Duodecimal 4259577
16 Hexadecimal bfaceb
20 Vigesimal 3ia423
36 Base36 7h8mj

Cryptographic Hash Functions

md5 ea60787ae6b19849f3c5c1a3ae0fa50f
sha1 15961819ab64c1d020acb981fdc050725dda5c79
sha256 79c10b142e6e8edbce779df6a288eb69581072691700593f41bb37b7b7dc0554
sha512 777155eac11941b73e9058d2104571e53e26ad2d25f7d6720361a2fdc56612038ebb0b6d7247cbd1b210e4cc0907439724a6c03ac2b53f6c49adab244cfcab75
ripemd-160 8989029598bbdc4f3bab5820b9d651e67503c998

12561643 as geometric shapes

Circle

Radius = n
Diameter 25123286
Circumference 78927130.731635
Area 4.9572721963257E+14

Sphere

Radius = n
Volume 8.3028644778758E+21
Surface area 1.9829088785303E+15
Circumference 78927130.731635

Square

Length = n
Perimeter 50246572
Area 157794874859449
Diagonal 17764845.896289

Cube

Length = n
Surface area 946769249156694
Volume 1.9821628852141E+21
Space diagonal 21757403.902542

Equilateral Triangle

Length = n
Perimeter 37684929
Area 68327185107635
Altitude 10878701.951271

Triangular Pyramid

Length = n
Surface area 68327185107635
Volume 2.3360013625853E+20
Height 5921615.298763