28508731 (number)

28508731 is an odd 8-digits prime number following 28508730 and preceding 28508732. In scientific notation, it is written as 2.8508731 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 28508730 positive integers (up to 28508731) that are relatively prime to 28508731.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eight thousand seven hundred thirty-one

Notation

Scientific notation 2.8508731 × 10^7
Engineering notation 2.8508731 × 10^6

Prime Factorization of 28508731

Prime Factorization 28508731

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28508731
Product of the distinct prime numbers

The prime factorization of 28508731 is 28508731. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28508731)

Multiplication

n×y
n×2 57017462
n×3 85526193
n×4 114034924
n×5 142543655

Division

n÷y
n÷2 14254365.5
n÷3 9502910.3333333
n÷3 7127182.75
n÷5 5701746.2

Exponentiation

ny
n2 812747743230361
n3 2.3170406782611E+22
n4 6.6055889412604E+29
n5 1.8831695822297E+37

Nth Root

y√n
2√n 5339.356796469
3√n 305.48692624078
4√n 73.070902529454
5√n 30.973877558349

Divisors of 28508731

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28508732
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14254366
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5339.3568901133
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999298461
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28508731 can be divided by 2 positive divisors. The sum of these divisors (counting 28508731) is 28508732, the average is 14254366.

Base conversion 28508731

Base System Value
2 Binary 1101100110000001000111011
3 Ternary 1222122101121221
4 Quaternary 1230300020323
5 Quinary 24244234411
6 Senary 2455012511
8 Octal 154601073
10 Decimal 28508731
12 Duodecimal 966a137
16 Hexadecimal 1b3023b
20 Vigesimal 8i3bgb
36 Base36 gz1h7

Cryptographic Hash Functions

md5 1fa01990d6a8a775f9929bb12af049e4
sha1 3f05ec9defcf72a666d5c84a03de99e284d4e475
sha256 95fd17cc8ad788d2cad934f508b0eae423b34e1394aaa3c9d9b59643baf992f4
sha512 96948213ed3f1319b30197436281966bd935efef29d656e8bd0c050aaebb681bbfb3aa0b60b7e1a21880ff98e9611426a981eafdcc2748fede3aabb76a057b5b
ripemd-160 f40f49a21432c6a964138d513bb7799d8e6720b1

28508731 as geometric shapes

Circle

Radius = n
Diameter 57017462
Circumference 179125639.74554
Area 2.5533223393542E+15

Sphere

Radius = n
Volume 9.7055972971919E+22
Surface area 1.0213289357417E+16
Circumference 179125639.74554

Square

Length = n
Perimeter 114034924
Area 812747743230361
Diagonal 40317434.026246

Cube

Length = n
Surface area 4876486459382166
Volume 2.3170406782611E+22
Space diagonal 49378570.551314

Equilateral Triangle

Length = n
Perimeter 85526193
Area 3.5193009625298E+14
Altitude 24689285.275657

Triangular Pyramid

Length = n
Surface area 3.5193009625298E+14
Volume 2.7306586264726E+21
Height 13439144.675415