28931139 (number)

28931139 is an odd 8-digits composite number following 28931138 and preceding 28931140. In scientific notation, it is written as 2.8931139 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 19287420 positive integers (up to 28931139) that are relatively prime to 28931139.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand one hundred thirty-nine

Notation

Scientific notation 2.8931139 × 10^7
Engineering notation 2.8931139 × 10^6

Prime Factorization of 28931139

Prime Factorization 3 × 3 × 3214571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9643713
Product of the distinct prime numbers

The prime factorization of 28931139 is 3 × 3 × 3214571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931139)

Multiplication

n×y
n×2 57862278
n×3 86793417
n×4 115724556
n×5 144655695

Division

n÷y
n÷2 14465569.5
n÷3 9643713
n÷3 7232784.75
n÷5 5786227.8

Exponentiation

ny
n2 837010803837321
n3 2.4215675910319E+22
n4 7.005870857404E+29
n5 2.026878235916E+37

Nth Root

y√n
2√n 5378.7674238621
3√n 306.9883141969
4√n 73.340080609869
5√n 31.0651250648

Divisors of 28931139

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931138
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931139 can be divided by 6 positive divisors. The sum of these divisors (counting 28931139) is 1, the average is 0.16666666666667.

Base conversion 28931139

Base System Value
2 Binary 1101110010111010001000011
3 Ternary 2000102212001200
4 Quaternary 1232113101003
5 Quinary 24401244024
6 Senary 2512032243
8 Octal 156272103
10 Decimal 28931139
12 Duodecimal 9832683
16 Hexadecimal 1b97443
20 Vigesimal 90g7gj
36 Base36 h83er

Cryptographic Hash Functions

md5 2fa4af635a9d135ae8a904564f8861fb
sha1 2174277d174c85a1f1203b945ded5a3467572f4e
sha256 db24d03f911ac10a65ec9f7b20b8898b3298c08f81cddeacd97df91cccde7565
sha512 1420d5def2e1dda43b158d7ed953ea4cc3ce642423277490d2364eaa4621d1c44adceb4abab2d800f56174d247e0d70e38f57150fe264b164a420e8ef944d9f3
ripemd-160 aee46116044544b108c738ed4b3519555d0f3d61

28931139 as geometric shapes

Circle

Radius = n
Diameter 57862278
Circumference 181779707.48477
Area 2.6295469923106E+15

Sphere

Radius = n
Volume 1.0143438605543E+23
Surface area 1.0518187969242E+16
Circumference 181779707.48477

Square

Length = n
Perimeter 115724556
Area 837010803837321
Diagonal 40914809.148701

Cube

Length = n
Surface area 5022064823023926
Volume 2.4215675910319E+22
Space diagonal 50110202.668837

Equilateral Triangle

Length = n
Perimeter 86793417
Area 3.6243630968258E+14
Altitude 25055101.334419

Triangular Pyramid

Length = n
Surface area 3.6243630968258E+14
Volume 2.8538447745337E+21
Height 13638269.716234