12881391 (number)

12881391 is an odd 8-digits composite number following 12881390 and preceding 12881392. In scientific notation, it is written as 1.2881391 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8574552 positive integers (up to 12881391) that are relatively prime to 12881391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2881391 × 10^7
Engineering notation 1.2881391 × 10^6

Prime Factorization of 12881391

Prime Factorization 3 × 743 × 5779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12881391
Product of the distinct prime numbers

The prime factorization of 12881391 is 3 × 743 × 5779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 62, 27, 252, 740, 7902, 6825, 64087, 58719, 167335, 779644, 5026891, 5180125, 8761336, 1737034, 676514657, 676820390, 6872713147, 5688412635

Basic calculations (n = 12881391)

Multiplication

n×y
n×2 25762782
n×3 38644173
n×4 51525564
n×5 64406955

Division

n÷y
n÷2 6440695.5
n÷3 4293797
n÷3 3220347.75
n÷5 2576278.2

Exponentiation

ny
n2 165930234094881
n3 2.1374122240977E+21
n4 2.7532842586782E+28
n5 3.5466131070179E+35

Nth Root

y√n
2√n 3589.0654772517
3√n 234.41618170582
4√n 59.90880967981
5√n 26.423634449008

Divisors of 12881391

1, 3, 743, 2229, 5779, 17337, 4293797, 12881391

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 -12881390
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 12881391 can be divided by 8 positive divisors. The sum of these divisors (counting 12881391) is 1, the average is 0.125.

Base conversion 12881391

Base System Value
2 Binary 110001001000110111101111
3 Ternary 220020102221120
4 Quaternary 301020313233
5 Quinary 11244201031
6 Senary 1140032023
8 Octal 61106757
10 Decimal 12881391
12 Duodecimal 4392613
16 Hexadecimal c48def
20 Vigesimal 40a39b
36 Base36 7o3cf

Cryptographic Hash Functions

md5 e19abf3226565c168979b16970669af7
sha1 92653b28e8a9bbc654a66ef116c70a97a9177626
sha256 f23ba5ec81b457aa7744b6fc9a5e6b5a07b0068e776bd88702da03299892947a
sha512 89eeff8b5d4cbd6009bbe5e3d6d75324970306690a5db13ac58f0e57abc89fe2494f506e4be9eeab6890a965f7b123b054193105da98ee4af1e8761c2699fcc9
ripemd-160 865065551f474d8b71f794df9d42a93b70299848

12881391 as geometric shapes

Circle

Radius = n
Diameter 25762782
Circumference 80936166.667235
Area 5.2128520444091E+14

Sphere

Radius = n
Volume 8.9531713878911E+21
Surface area 2.0851408177637E+15
Circumference 80936166.667235

Square

Length = n
Perimeter 51525564
Area 165930234094881
Diagonal 18217037.854431

Cube

Length = n
Surface area 995581404569286
Volume 2.1374122240977E+21
Space diagonal 22311223.68416

Equilateral Triangle

Length = n
Perimeter 38644173
Area 71849898991033
Altitude 11155611.84208

Triangular Pyramid

Length = n
Surface area 71849898991033
Volume 2.5189644630842E+20
Height 6072345.9514769