28492720 (number)

28492720 is an even 8-digits composite number following 28492719 and preceding 28492721. In scientific notation, it is written as 2.8492720 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 11028480 positive integers (up to 28492720) that are relatively prime to 28492720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8492720 × 10^7
Engineering notation 2.8492720 × 10^6

Prime Factorization of 28492720

Prime Factorization 2 × 2 × 2 × 2 × 155 × 11489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3561590
Product of the distinct prime numbers

The prime factorization of 28492720 is 2 × 2 × 2 × 2 × 155 × 11489. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28492720)

Multiplication

n×y
n×2 56985440
n×3 85478160
n×4 113970880
n×5 142463600

Division

n÷y
n÷2 14246360
n÷3 9497573.3333333
n÷3 7123180
n÷5 5698544

Exponentiation

ny
n2 811835092998400
n3 2.3131389990977E+22
n4 6.5907621822372E+29
n5 1.8778874144507E+37

Nth Root

y√n
2√n 5337.8572479976
3√n 305.42972660472
4√n 73.060640895064
5√n 30.970397682667

Divisors of 28492720

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28492719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28492720 can be divided by 20 positive divisors. The sum of these divisors (counting 28492720) is 1, the average is 0.05.

Base conversion 28492720

Base System Value
2 Binary 1101100101100001110110000
3 Ternary 1222121120122221
4 Quaternary 1230230032300
5 Quinary 24243231340
6 Senary 2454410424
8 Octal 154541660
10 Decimal 28492720
12 Duodecimal 9660a14
16 Hexadecimal 1b2c3b0
20 Vigesimal 8i1bg0
36 Base36 gyp4g

Cryptographic Hash Functions

md5 72ce85cab90f2367e34acc91c3e113b5
sha1 630e843842e7493df9af4ec8ea948933e596b29d
sha256 bc29eeb6d808190a94f4e320ce97a878a549b4038a2700b7432ba2ef73c99257
sha512 ed5e6a99733471aa55135c9bace5a383ce642b8ae650addcfae72bd1eabd97cebd58f1db4b987e1ec91466cd1bdd7fce6cf938429de649af22fbbc63943c7af7
ripemd-160 bf67f9c5058037bee3a5ae2dd8b5bac5e0df5e8a

28492720 as geometric shapes

Circle

Radius = n
Diameter 56985440
Circumference 179025039.66558
Area 2.5504551640902E+15

Sphere

Radius = n
Volume 9.68925398173E+22
Surface area 1.0201820656361E+16
Circumference 179025039.66558

Square

Length = n
Perimeter 113970880
Area 811835092998400
Diagonal 40294791.052899

Cube

Length = n
Surface area 4871010557990400
Volume 2.3131389990977E+22
Space diagonal 49350838.685834

Equilateral Triangle

Length = n
Perimeter 85478160
Area 3.5153490711016E+14
Altitude 24675419.342917

Triangular Pyramid

Length = n
Surface area 3.5153490711016E+14
Volume 2.7260604534818E+21
Height 13431597.017633