12981565 (number)

12981565 is an odd 8-digits composite number following 12981564 and preceding 12981566. In scientific notation, it is written as 1.2981565 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10368912 positive integers (up to 12981565) that are relatively prime to 12981565.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981565 × 10^7
Engineering notation 1.2981565 × 10^6

Prime Factorization of 12981565

Prime Factorization 5 × 787 × 3299

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981565
Product of the distinct prime numbers

The prime factorization of 12981565 is 5 × 787 × 3299. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981565)

Multiplication

n×y
n×2 25963130
n×3 38944695
n×4 51926260
n×5 64907825

Division

n÷y
n÷2 6490782.5
n÷3 4327188.3333333
n÷3 3245391.25
n÷5 2596313

Exponentiation

ny
n2 168521029849225
n3 2.1876667028547E+21
n4 2.8399337501443E+28
n5 3.6866784573192E+35

Nth Root

y√n
2√n 3602.9938939721
3√n 235.02227041092
4√n 60.024943931436
5√n 26.464604645125

Divisors of 12981565

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 -12981564
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 12981565 can be divided by 8 positive divisors. The sum of these divisors (counting 12981565) is 1, the average is 0.125.

Base conversion 12981565

Base System Value
2 Binary 110001100001010100111101
3 Ternary 220102112100201
4 Quaternary 301201110331
5 Quinary 11310402230
6 Senary 1142123501
8 Octal 61412475
10 Decimal 12981565
12 Duodecimal 4420591
16 Hexadecimal c6153d
20 Vigesimal 412di5
36 Base36 7q8n1

Cryptographic Hash Functions

md5 d91b382be48596eb4427e4e1ca8e687a
sha1 eddb852bf24a7b7b6ab0fc07c5e8009b890d246a
sha256 ca5782d851147ae2176e540a58da6fdb08c9d080006349651dabfbf714cc748b
sha512 31b1c8cfe2853d36abfa81fa368d813c657aa0d232f39dfa2b05dce28d58d4f2ad6378438268c0fea528102d475717a877d623dae04d887ce51a7c4e351a3bb9
ripemd-160 f83c28e6b6dab9e1eb6a838b615ba4237ea5f5e8

12981565 as geometric shapes

Circle

Radius = n
Diameter 25963130
Circumference 81565578.472197
Area 5.2942442934971E+14

Sphere

Radius = n
Volume 9.1636768562549E+21
Surface area 2.1176977173988E+15
Circumference 81565578.472197

Square

Length = n
Perimeter 51926260
Area 168521029849225
Diagonal 18358705.283828

Cube

Length = n
Surface area 1011126179095350
Volume 2.1876667028547E+21
Space diagonal 22484730.141758

Equilateral Triangle

Length = n
Perimeter 38944695
Area 72971746460672
Altitude 11242365.070879

Triangular Pyramid

Length = n
Surface area 72971746460672
Volume 2.5781899342742E+20
Height 6119568.4279426