12981395 (number)

12981395 is an odd 8-digits composite number following 12981394 and preceding 12981396. In scientific notation, it is written as 1.2981395 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 8901504 positive integers (up to 12981395) that are relatively prime to 12981395.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981395 × 10^7
Engineering notation 1.2981395 × 10^6

Prime Factorization of 12981395

Prime Factorization 5 × 7 × 370897

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981395
Product of the distinct prime numbers

The prime factorization of 12981395 is 5 × 7 × 370897. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981395)

Multiplication

n×y
n×2 25962790
n×3 38944185
n×4 51925580
n×5 64906975

Division

n÷y
n÷2 6490697.5
n÷3 4327131.6666667
n÷3 3245348.75
n÷5 2596279

Exponentiation

ny
n2 168516616146025
n3 2.1875807582549E+21
n4 2.8397849917307E+28
n5 3.6864370692728E+35

Nth Root

y√n
2√n 3602.9703024033
3√n 235.02124449557
4√n 60.024747416406
5√n 26.46453533135

Divisors of 12981395

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 -12981394
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 12981395 can be divided by 8 positive divisors. The sum of these divisors (counting 12981395) is 1, the average is 0.125.

Base conversion 12981395

Base System Value
2 Binary 110001100001010010010011
3 Ternary 220102112010102
4 Quaternary 301201102103
5 Quinary 11310401040
6 Senary 1142123015
8 Octal 61412223
10 Decimal 12981395
12 Duodecimal 442046b
16 Hexadecimal c61493
20 Vigesimal 412d9f
36 Base36 7q8ib

Cryptographic Hash Functions

md5 d05c0400f1cf3a115be8c0488cd5dfe9
sha1 16a91dfc9d5894c55159dc13595e46dba30f08bd
sha256 9f2f139bb8bd93e15e05d1f044e6c85095fe78ef0fb089fba11577e151a82b86
sha512 d531d368e7b388409bd0b512a7d96103438b45ea9346fe2ef813ae63c4c23c050d26ba790007a6138d636a9368e8dc37d818b333254e2b82e6a58b8b02bee12d
ripemd-160 7e162ba3d9394b3faaae1ffa9b05b7205d51c577

12981395 as geometric shapes

Circle

Radius = n
Diameter 25962790
Circumference 81564510.330695
Area 5.2941056329216E+14

Sphere

Radius = n
Volume 9.1633168523574E+21
Surface area 2.1176422531687E+15
Circumference 81564510.330695

Square

Length = n
Perimeter 51925580
Area 168516616146025
Diagonal 18358464.867522

Cube

Length = n
Surface area 1011099696876150
Volume 2.1875807582549E+21
Space diagonal 22484435.693121

Equilateral Triangle

Length = n
Perimeter 38944185
Area 72969835271124
Altitude 11242217.84656

Triangular Pyramid

Length = n
Surface area 72969835271124
Volume 2.5780886475921E+20
Height 6119488.2891741