12961881 (number)

12961881 is an odd 8-digits composite number following 12961880 and preceding 12961882. In scientific notation, it is written as 1.2961881 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 8641248 positive integers (up to 12961881) that are relatively prime to 12961881.

Interesting facts

Basic properties

Name

Name twelve million nine hundred sixty-one thousand eight hundred eighty-one

Notation

Scientific notation 1.2961881 × 10^7
Engineering notation 1.2961881 × 10^6

Prime Factorization of 12961881

Prime Factorization 9 × 1440209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12961881
Product of the distinct prime numbers

The prime factorization of 12961881 is 9 × 1440209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12961881)

Multiplication

n×y
n×2 25923762
n×3 38885643
n×4 51847524
n×5 64809405

Division

n÷y
n÷2 6480940.5
n÷3 4320627
n÷3 3240470.25
n÷5 2592376.2

Exponentiation

ny
n2 168010359058161
n3 2.1777302808792E+21
n4 2.8227480750852E+28
n5 3.6588124642234E+35

Nth Root

y√n
2√n 3600.2612405213
3√n 234.90342191118
4√n 60.002176964851
5√n 26.456574095334

Divisors of 12961881

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 -12961880
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 12961881 can be divided by 4 positive divisors. The sum of these divisors (counting 12961881) is 1, the average is 0.25.

Base conversion 12961881

Base System Value
2 Binary 110001011100100001011001
3 Ternary 220101112100200
4 Quaternary 301130201121
5 Quinary 11304240011
6 Senary 1141452413
8 Octal 61344131
10 Decimal 12961881
12 Duodecimal 4411109
16 Hexadecimal c5c859
20 Vigesimal 4104e1
36 Base36 7ptg9

Cryptographic Hash Functions

md5 d88787d3785707a04d22e56b6dfc7364
sha1 dc9cb92803f280a51f2c8d06252df20d1988c792
sha256 e00157ca86938236bfb3273b4b33d707b231a16503b80e1683ab7d9a48ef8548
sha512 ff71a589f68b07e571374c0d7649136ae9e842b5b27b884c37c5d317be20c0e9d0fde9d738b7cfda2399365512cd1705c3884682a821fe7acef021b9105516df
ripemd-160 09bd533bd142e51550680d28654b0269037d49d7

12961881 as geometric shapes

Circle

Radius = n
Diameter 25923762
Circumference 81441900.25261
Area 5.278201097441E+14

Sphere

Radius = n
Volume 9.1220552692133E+21
Surface area 2.1112804389764E+15
Circumference 81441900.25261

Square

Length = n
Perimeter 51847524
Area 168010359058161
Diagonal 18330867.904066

Cube

Length = n
Surface area 1008062154348966
Volume 2.1777302808792E+21
Space diagonal 22450636.453662

Equilateral Triangle

Length = n
Perimeter 38885643
Area 72750619521656
Altitude 11225318.226831

Triangular Pyramid

Length = n
Surface area 72750619521656
Volume 2.5664797486749E+20
Height 6110289.3013554