28931271 (number)

28931271 is an odd 8-digits composite number following 28931270 and preceding 28931272. In scientific notation, it is written as 2.8931271 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 19262592 positive integers (up to 28931271) that are relatively prime to 28931271.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931271 × 10^7
Engineering notation 2.8931271 × 10^6

Prime Factorization of 28931271

Prime Factorization 3 × 829 × 11633

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28931271
Product of the distinct prime numbers

The prime factorization of 28931271 is 3 × 829 × 11633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931271)

Multiplication

n×y
n×2 57862542
n×3 86793813
n×4 115725084
n×5 144656355

Division

n÷y
n÷2 14465635.5
n÷3 9643757
n÷3 7232817.75
n÷5 5786254.2

Exponentiation

ny
n2 837018441675441
n3 2.421600736811E+22
n4 7.0059987170478E+29
n5 2.0269244750856E+37

Nth Root

y√n
2√n 5378.7796943173
3√n 306.98878108019
4√n 73.340164264319
5√n 31.065153412035

Divisors of 28931271

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 -28931270
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 28931271 can be divided by 8 positive divisors. The sum of these divisors (counting 28931271) is 1, the average is 0.125.

Base conversion 28931271

Base System Value
2 Binary 1101110010111010011000111
3 Ternary 2000102212020120
4 Quaternary 1232113103013
5 Quinary 24401300041
6 Senary 2512033023
8 Octal 156272307
10 Decimal 28931271
12 Duodecimal 9832773
16 Hexadecimal 1b974c7
20 Vigesimal 90g83b
36 Base36 h83if

Cryptographic Hash Functions

md5 087908623736d47a7eed8e096a60dda3
sha1 250f9996e0d9ab1b3fb7fc4704e172f5b3871af9
sha256 572b480a45f54cee70cad296d0d84c6991758523115f7f5bf348d5a25f062450
sha512 7a7d5c65144bfcbbd8599a90e6dd56f1bda3d6dd4252a7a26e808e8dbdbc92e55766e6db4f6784fa83a8e490214d71106faf7b31e029d5e947021fe197e4225f
ripemd-160 558ebcfe8beb2a210af0ca44ee3682dcb71c90a3

28931271 as geometric shapes

Circle

Radius = n
Diameter 57862542
Circumference 181780536.86523
Area 2.6295709872867E+15

Sphere

Radius = n
Volume 1.0143577446257E+23
Surface area 1.0518283949147E+16
Circumference 181780536.86523

Square

Length = n
Perimeter 115725084
Area 837018441675441
Diagonal 40914995.824891

Cube

Length = n
Surface area 5022110650052646
Volume 2.421600736811E+22
Space diagonal 50110431.299544

Equilateral Triangle

Length = n
Perimeter 86793813
Area 3.624396169635E+14
Altitude 25055215.649772

Triangular Pyramid

Length = n
Surface area 3.624396169635E+14
Volume 2.853883837209E+21
Height 13638331.94163