12981609 (number)

12981609 is an odd 8-digits composite number following 12981608 and preceding 12981610. In scientific notation, it is written as 1.2981609 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 9 positive divisors. There are 8647200 positive integers (up to 12981609) that are relatively prime to 12981609.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand six hundred nine

Notation

Scientific notation 1.2981609 × 10^7
Engineering notation 1.2981609 × 10^6

Prime Factorization of 12981609

Prime Factorization 3 × 3 × 1201 × 1201

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3603
Product of the distinct prime numbers

The prime factorization of 12981609 is 3 × 3 × 1201 × 1201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981609)

Multiplication

n×y
n×2 25963218
n×3 38944827
n×4 51926436
n×5 64908045

Division

n÷y
n÷2 6490804.5
n÷3 4327203
n÷3 3245402.25
n÷5 2596321.8

Exponentiation

ny
n2 168522172228881
n3 2.187688947706E+21
n4 2.8399722532741E+28
n5 3.6867409362853E+35

Nth Root

y√n
2√n 3603
3√n 235.02253594049
4√n 60.024994793836
5√n 26.464622585043

Divisors of 12981609

9 divisors

τ Total Divisors 9
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981608
Sum of the proper positive divisors of n
A Arithmetic Mean 0.11111111111111
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 9
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981609 can be divided by 9 positive divisors. The sum of these divisors (counting 12981609) is 1, the average is 0.11111111111111.

Base conversion 12981609

Base System Value
2 Binary 110001100001010101101001
3 Ternary 220102112102100
4 Quaternary 301201111221
5 Quinary 11310402414
6 Senary 1142124013
8 Octal 61412551
10 Decimal 12981609
12 Duodecimal 4420609
16 Hexadecimal c61569
20 Vigesimal 412e09
36 Base36 7q8o9

Cryptographic Hash Functions

md5 4f72f20718250ee935c99ae1833de0ed
sha1 92b262c6a0ddb26cd350e03554cc46659e35f8e6
sha256 f34479b481b2bc4fd14facb2df9e80ff05f1c54c656df0ba81910026e8d8431d
sha512 54230bba8566e1651bdf0ff2a23e8f7ca9fc3f390bd2fea86a0850134637267ca858ddfeaf2d781573c96dda8617af4e13cda800d521229015074c8623e44f9e
ripemd-160 afe3cabdf8afe36dab1ec4ccbfc4ef104a5cc56a

12981609 as geometric shapes

Circle

Radius = n
Diameter 25963218
Circumference 81565854.93235
Area 5.2942801824125E+14

Sphere

Radius = n
Volume 9.1637700352703E+21
Surface area 2.117712072965E+15
Circumference 81565854.93235

Square

Length = n
Perimeter 51926436
Area 168522172228881
Diagonal 18358767.509225

Cube

Length = n
Surface area 1011133033373286
Volume 2.187688947706E+21
Space diagonal 22484806.351993

Equilateral Triangle

Length = n
Perimeter 38944827
Area 72972241125574
Altitude 11242403.175997

Triangular Pyramid

Length = n
Surface area 72972241125574
Volume 2.5782161500829E+20
Height 6119589.1697415