28508730 (number)

28508730 is an even 8-digits composite number following 28508729 and preceding 28508731. In scientific notation, it is written as 2.8508730 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 7166016 positive integers (up to 28508730) that are relatively prime to 28508730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8508730 × 10^7
Engineering notation 2.8508730 × 10^6

Prime Factorization of 28508730

Prime Factorization 2 × 15 × 23 × 79 × 523

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28508730
Product of the distinct prime numbers

The prime factorization of 28508730 is 2 × 15 × 23 × 79 × 523. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28508730)

Multiplication

n×y
n×2 57017460
n×3 85526190
n×4 114034920
n×5 142543650

Division

n÷y
n÷2 14254365
n÷3 9502910
n÷3 7127182.5
n÷5 5701746

Exponentiation

ny
n2 812747686212900
n3 2.3170404344368E+22
n4 6.6055880144442E+29
n5 1.8831692519503E+37

Nth Root

y√n
2√n 5339.3567028248
3√n 305.48692266893
4√n 73.070901888678
5√n 30.973877341055

Divisors of 28508730

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28508729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28508730 can be divided by 32 positive divisors. The sum of these divisors (counting 28508730) is 1, the average is 0.03125.

Base conversion 28508730

Base System Value
2 Binary 1101100110000001000111010
3 Ternary 1222122101121220
4 Quaternary 1230300020322
5 Quinary 24244234410
6 Senary 2455012510
8 Octal 154601072
10 Decimal 28508730
12 Duodecimal 966a136
16 Hexadecimal 1b3023a
20 Vigesimal 8i3bga
36 Base36 gz1h6

Cryptographic Hash Functions

md5 0a502d22ef2da8866dfab981d4030a8b
sha1 f2d88dcb42130a7ae1ca39da3a3e607434c9491a
sha256 6081cfe68a9b8e23e120983050b92f4354c1ee113f2d74d7a05a83d5d5c65340
sha512 eb193e6c2826af97f7e9e4734bcfcacf261e2caa992178d60aa87d8e7ded57a5ca7dd49e7d8a0ac50ec380f6fab7d68877fcc1abaa2ece440a286af3dc560252
ripemd-160 d828be80c47556b2804bfeb69318896e77e1b516

28508730 as geometric shapes

Circle

Radius = n
Diameter 57017460
Circumference 179125633.46235
Area 2.5533221602285E+15

Sphere

Radius = n
Volume 9.705596275863E+22
Surface area 1.0213288640914E+16
Circumference 179125633.46235

Square

Length = n
Perimeter 114034920
Area 812747686212900
Diagonal 40317432.612033

Cube

Length = n
Surface area 4876486117277400
Volume 2.3170404344368E+22
Space diagonal 49378568.819263

Equilateral Triangle

Length = n
Perimeter 85526190
Area 3.519300715637E+14
Altitude 24689284.409632

Triangular Pyramid

Length = n
Surface area 3.519300715637E+14
Volume 2.7306583391228E+21
Height 13439144.204011