12881390 (number)

12881390 is an even 8-digits composite number following 12881389 and preceding 12881391. In scientific notation, it is written as 1.2881390 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 5141760 positive integers (up to 12881390) that are relatively prime to 12881390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2881390 × 10^7
Engineering notation 1.2881390 × 10^6

Prime Factorization of 12881390

Prime Factorization 2 × 5 × 2081 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12881390
Product of the distinct prime numbers

The prime factorization of 12881390 is 2 × 5 × 2081 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 8, 41, 262, 520, 1973, 6645, 91266, 99917, 738511, 391172, 3618584, 5383136, 38036890, 80518453, 569458863, 151039976, 3102214561, 1597295466

Basic calculations (n = 12881390)

Multiplication

n×y
n×2 25762780
n×3 38644170
n×4 51525560
n×5 64406950

Division

n÷y
n÷2 6440695
n÷3 4293796.6666667
n÷3 3220347.5
n÷5 2576278

Exponentiation

ny
n2 165930208332100
n3 2.137411726307E+21
n4 2.7532834037134E+28
n5 3.546611730376E+35

Nth Root

y√n
2√n 3589.0653379397
3√n 234.4161756398
4√n 59.908808517109
5√n 26.423634038748

Divisors of 12881390

1, 2, 5, 10, 619, 1238, 2081, 3095, 4162, 6190, 10405, 20810, 1288139, 2576278, 6440695, 12881390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12881389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12881390 can be divided by 16 positive divisors. The sum of these divisors (counting 12881390) is 1, the average is 0.0625.

Base conversion 12881390

Base System Value
2 Binary 110001001000110111101110
3 Ternary 220020102221112
4 Quaternary 301020313232
5 Quinary 11244201030
6 Senary 1140032022
8 Octal 61106756
10 Decimal 12881390
12 Duodecimal 4392612
16 Hexadecimal c48dee
20 Vigesimal 40a39a
36 Base36 7o3ce

Cryptographic Hash Functions

md5 24e4930a360786c655328b3c43418fbb
sha1 23b15074d0518fe92c4c71c1f0d2c8945519762f
sha256 cfaf60f891f51e1cb220ca74d048447cf5d73b864dd0e6391df2994c64abaac3
sha512 53c0700d626d7e5914eb0471c037a32a05b965d588a9ff673d0b3700dafd00900a72e93eb53832b806da37e3885c74ee3d1609d7d453cdc2dabaf78023f8e1d1
ripemd-160 04f7a810d6a895968a1cd4354c93018f9bab01fb

12881390 as geometric shapes

Circle

Radius = n
Diameter 25762780
Circumference 80936160.38405
Area 5.2128512350475E+14

Sphere

Radius = n
Volume 8.9531693027505E+21
Surface area 2.085140494019E+15
Circumference 80936160.38405

Square

Length = n
Perimeter 51525560
Area 165930208332100
Diagonal 18217036.440217

Cube

Length = n
Surface area 995581249992600
Volume 2.137411726307E+21
Space diagonal 22311221.95211

Equilateral Triangle

Length = n
Perimeter 38644170
Area 71849887835421
Altitude 11155610.976055

Triangular Pyramid

Length = n
Surface area 71849887835421
Volume 2.5189638764322E+20
Height 6072345.4800724