28931311 (number)

28931311 is an odd 8-digits prime number following 28931310 and preceding 28931312. In scientific notation, it is written as 2.8931311 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 28931310 positive integers (up to 28931311) that are relatively prime to 28931311.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931311 × 10^7
Engineering notation 2.8931311 × 10^6

Prime Factorization of 28931311

Prime Factorization 28931311

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28931311
Product of the distinct prime numbers

The prime factorization of 28931311 is 28931311. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931311)

Multiplication

n×y
n×2 57862622
n×3 86793933
n×4 115725244
n×5 144656555

Division

n÷y
n÷2 14465655.5
n÷3 9643770.3333333
n÷3 7232827.75
n÷5 5786262.2

Exponentiation

ny
n2 837020756178721
n3 2.4216107810462E+22
n4 7.00603746274E+29
n5 2.0269384871218E+37

Nth Root

y√n
2√n 5378.7834126315
3√n 306.98892255969
4√n 73.340189614096
5√n 31.065162002086

Divisors of 28931311

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28931312
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14465656
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5378.7835055893
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999308707
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931311 can be divided by 2 positive divisors. The sum of these divisors (counting 28931311) is 28931312, the average is 14465656.

Base conversion 28931311

Base System Value
2 Binary 1101110010111010011101111
3 Ternary 2000102212022001
4 Quaternary 1232113103233
5 Quinary 24401300221
6 Senary 2512033131
8 Octal 156272357
10 Decimal 28931311
12 Duodecimal 98327a7
16 Hexadecimal 1b974ef
20 Vigesimal 90g85b
36 Base36 h83jj

Cryptographic Hash Functions

md5 a740695e23e1d6a60798b3aebc1ff609
sha1 4c67127c14751067ba5a77d795ac7fed2eeae49e
sha256 713868035f43fe2a1ae61d6e985ab736c4764c44fff358d5bf9eecab55dd4cd9
sha512 36997e87512c0b3cfc70197604cce08b60ddf24c5d91c8bf248dfa2bd1f358e69bfc1e74a1b59393e504384b0f4f4164a63e8392a4bfa4b6c73d14c6e25a154c
ripemd-160 0964025f3ea3c798bebf54facd58a3184e579a06

28931311 as geometric shapes

Circle

Radius = n
Diameter 57862622
Circumference 181780788.19264
Area 2.6295782585132E+15

Sphere

Radius = n
Volume 1.0143619519451E+23
Surface area 1.0518313034053E+16
Circumference 181780788.19264

Square

Length = n
Perimeter 115725244
Area 837020756178721
Diagonal 40915052.393434

Cube

Length = n
Surface area 5022124537072326
Volume 2.4216107810462E+22
Space diagonal 50110500.581576

Equilateral Triangle

Length = n
Perimeter 86793933
Area 3.6244061917282E+14
Altitude 25055250.290788

Triangular Pyramid

Length = n
Surface area 3.6244061917282E+14
Volume 2.8538956744537E+21
Height 13638350.797811