12881389 (number)

12881389 is an odd 8-digits composite number following 12881388 and preceding 12881390. In scientific notation, it is written as 1.2881389 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 12872224 positive integers (up to 12881389) that are relatively prime to 12881389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2881389 × 10^7
Engineering notation 1.2881389 × 10^6

Prime Factorization of 12881389

Prime Factorization 1733 × 7433

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12881389
Product of the distinct prime numbers

The prime factorization of 12881389 is 1733 × 7433. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12881389)

Multiplication

n×y
n×2 25762778
n×3 38644167
n×4 51525556
n×5 64406945

Division

n÷y
n÷2 6440694.5
n÷3 4293796.3333333
n÷3 3220347.25
n÷5 2576277.8

Exponentiation

ny
n2 165930182569321
n3 2.1374112285164E+21
n4 2.7532825487488E+28
n5 3.5466103537345E+35

Nth Root

y√n
2√n 3589.0651986276
3√n 234.41616957378
4√n 59.908807354409
5√n 26.423633628487

Divisors of 12881389

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 -12881388
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 12881389 can be divided by 4 positive divisors. The sum of these divisors (counting 12881389) is 1, the average is 0.25.

Base conversion 12881389

Base System Value
2 Binary 110001001000110111101101
3 Ternary 220020102221111
4 Quaternary 301020313231
5 Quinary 11244201024
6 Senary 1140032021
8 Octal 61106755
10 Decimal 12881389
12 Duodecimal 4392611
16 Hexadecimal c48ded
20 Vigesimal 40a399
36 Base36 7o3cd

Cryptographic Hash Functions

md5 62987d35d194b3c585f267cc5e7bd249
sha1 b22a212272f4848810ed598a90eed23d5a568c62
sha256 680dc5c10eac12b01d7e16034281b4b12248e6af85305405360e78e8c1f79a19
sha512 9e7c566f7f101cc82faf9e79e7fc8e196e99e35af8f5ca747e608f00724d37e50d7bf528d76e82364504e12d52ebede8d94c19cec4f23ca34617a537814cd653
ripemd-160 93c78a70845dfc9de081f5d0c63af5d4f3e3e8f2

12881389 as geometric shapes

Circle

Radius = n
Diameter 25762778
Circumference 80936154.100865
Area 5.2128504256859E+14

Sphere

Radius = n
Volume 8.9531672176101E+21
Surface area 2.0851401702744E+15
Circumference 80936154.100865

Square

Length = n
Perimeter 51525556
Area 165930182569321
Diagonal 18217035.026004

Cube

Length = n
Surface area 995581095415926
Volume 2.1374112285164E+21
Space diagonal 22311220.220059

Equilateral Triangle

Length = n
Perimeter 38644167
Area 71849876679811
Altitude 11155610.110029

Triangular Pyramid

Length = n
Surface area 71849876679811
Volume 2.5189632897804E+20
Height 6072345.0086679