28492731 (number)

28492731 is an odd 8-digits composite number following 28492730 and preceding 28492732. In scientific notation, it is written as 2.8492731 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 17877696 positive integers (up to 28492731) that are relatively prime to 28492731.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-two thousand seven hundred thirty-one

Notation

Scientific notation 2.8492731 × 10^7
Engineering notation 2.8492731 × 10^6

Prime Factorization of 28492731

Prime Factorization 3 × 51 × 186227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28492731
Product of the distinct prime numbers

The prime factorization of 28492731 is 3 × 51 × 186227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28492731)

Multiplication

n×y
n×2 56985462
n×3 85478193
n×4 113970924
n×5 142463655

Division

n÷y
n÷2 14246365.5
n÷3 9497577
n÷3 7123182.75
n÷5 5698546.2

Exponentiation

ny
n2 811835719838361
n3 2.3131416781546E+22
n4 6.5907723600547E+29
n5 1.8778910393727E+37

Nth Root

y√n
2√n 5337.8582783735
3√n 305.4297659098
4√n 73.060647946576
5√n 30.970400073975

Divisors of 28492731

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 -28492730
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 28492731 can be divided by 8 positive divisors. The sum of these divisors (counting 28492731) is 1, the average is 0.125.

Base conversion 28492731

Base System Value
2 Binary 1101100101100001110111011
3 Ternary 1222121120200100
4 Quaternary 1230230032323
5 Quinary 24243231411
6 Senary 2454410443
8 Octal 154541673
10 Decimal 28492731
12 Duodecimal 9660a23
16 Hexadecimal 1b2c3bb
20 Vigesimal 8i1bgb
36 Base36 gyp4r

Cryptographic Hash Functions

md5 6689281e326f65b418711d331ae7aaf8
sha1 e3a4813e8f54b20289f2a09b6851a3addd08f924
sha256 3dcaead72059ce964c39a1f3f3381e443854cc0c7fce713a81b550040d87f0be
sha512 c7e2ec35b821d790c5bd936223a29d48fc4022b6fa0af84eb3ce520ebdbab1e2543db199f4d4b4e38d66e713ee6c907c1d9e67fefbab299eff9aa897cc491144
ripemd-160 68d163ec5fb75bba0c58d285b61d176de7c42964

28492731 as geometric shapes

Circle

Radius = n
Diameter 56985462
Circumference 179025108.78062
Area 2.550457133366E+15

Sphere

Radius = n
Volume 9.6892652037371E+22
Surface area 1.0201828533464E+16
Circumference 179025108.78062

Square

Length = n
Perimeter 113970924
Area 811835719838361
Diagonal 40294806.609248

Cube

Length = n
Surface area 4871014319030166
Volume 2.3131416781546E+22
Space diagonal 49350857.738393

Equilateral Triangle

Length = n
Perimeter 85478193
Area 3.5153517853982E+14
Altitude 24675428.869196

Triangular Pyramid

Length = n
Surface area 3.5153517853982E+14
Volume 2.7260636107806E+21
Height 13431602.203083