12895981 (number)

12895981 is an odd 8-digits composite number following 12895980 and preceding 12895982. In scientific notation, it is written as 1.2895981 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 10672368 positive integers (up to 12895981) that are relatively prime to 12895981.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-five thousand nine hundred eighty-one

Notation

Scientific notation 1.2895981 × 10^7
Engineering notation 1.2895981 × 10^6

Prime Factorization of 12895981

Prime Factorization 7 × 29 × 63527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12895981
Product of the distinct prime numbers

The prime factorization of 12895981 is 7 × 29 × 63527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12895981)

Multiplication

n×y
n×2 25791962
n×3 38687943
n×4 51583924
n×5 64479905

Division

n÷y
n÷2 6447990.5
n÷3 4298660.3333333
n÷3 3223995.25
n÷5 2579196.2

Exponentiation

ny
n2 166306325952361
n3 2.1446832196615E+21
n4 2.7657794051773E+28
n5 3.5667438659358E+35

Nth Root

y√n
2√n 3591.0974645643
3√n 234.50465148991
4√n 59.925766282662
5√n 26.42961744079

Divisors of 12895981

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 -12895980
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 12895981 can be divided by 8 positive divisors. The sum of these divisors (counting 12895981) is 1, the average is 0.125.

Base conversion 12895981

Base System Value
2 Binary 110001001100011011101101
3 Ternary 220021011221221
4 Quaternary 301030123231
5 Quinary 11300132411
6 Senary 1140223341
8 Octal 61143355
10 Decimal 12895981
12 Duodecimal 439ab51
16 Hexadecimal c4c6ed
20 Vigesimal 40bjj1
36 Base36 7oelp

Cryptographic Hash Functions

md5 ab75d751a1807d63b559d0bc684dbbf0
sha1 5b8ff5155b78de4399c6f8ad6581f98c8988f9a8
sha256 f0c97d8fc3ca1ef23937950658389c3bd77f4aa064d074a3d2a7f921f973bde2
sha512 e083bc4ed88b977d1aff07e9b2d31e2fb7e33fc155c04f79deac4647e1076b6e7c436df337583400bc2e13f044e1f44a1b5b9bda946f7db7c5a1be5ccc0d3971
ripemd-160 b50cb30459168dbec277fbcc000e18f4a5fb3122

12895981 as geometric shapes

Circle

Radius = n
Diameter 25791962
Circumference 81027838.340867
Area 5.2246673185745E+14

Sphere

Radius = n
Volume 8.9836280628876E+21
Surface area 2.0898669274298E+15
Circumference 81027838.340867

Square

Length = n
Perimeter 51583924
Area 166306325952361
Diagonal 18237671.230306

Cube

Length = n
Surface area 997837955714166
Volume 2.1446832196615E+21
Space diagonal 22336494.305443

Equilateral Triangle

Length = n
Perimeter 38687943
Area 72012751542400
Altitude 11168247.152721

Triangular Pyramid

Length = n
Surface area 72012751542400
Volume 2.5275334135327E+20
Height 6079223.7434353