28509871 (number)

28509871 is an odd 8-digits composite number following 28509870 and preceding 28509872. In scientific notation, it is written as 2.8509871 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 24853248 positive integers (up to 28509871) that are relatively prime to 28509871.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred nine thousand eight hundred seventy-one

Notation

Scientific notation 2.8509871 × 10^7
Engineering notation 2.8509871 × 10^6

Prime Factorization of 28509871

Prime Factorization 29 × 13 × 47 × 1609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28509871
Product of the distinct prime numbers

The prime factorization of 28509871 is 29 × 13 × 47 × 1609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28509871)

Multiplication

n×y
n×2 57019742
n×3 85529613
n×4 114039484
n×5 142549355

Division

n÷y
n÷2 14254935.5
n÷3 9503290.3333333
n÷3 7127467.75
n÷5 5701974.2

Exponentiation

ny
n2 812812744436641
n3 2.3173186491045E+22
n4 6.6066455751862E+29
n5 1.8835461309128E+37

Nth Root

y√n
2√n 5339.4635498334
3√n 305.49099809809
4√n 73.071633003741
5√n 30.97412526952

Divisors of 28509871

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28509870
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28509871 can be divided by 16 positive divisors. The sum of these divisors (counting 28509871) is 1, the average is 0.0625.

Base conversion 28509871

Base System Value
2 Binary 1101100110000011010101111
3 Ternary 1222122110012011
4 Quaternary 1230300122233
5 Quinary 24244303441
6 Senary 2455022051
8 Octal 154603257
10 Decimal 28509871
12 Duodecimal 966a927
16 Hexadecimal 1b306af
20 Vigesimal 8i3edb
36 Base36 gz2cv

Cryptographic Hash Functions

md5 ddb1444c32f5f351687b21b995232b57
sha1 df354d9c7fbc4debf354154b982d6cb28cd15197
sha256 4c7829020787a6f8bcb3af706fb796f9aca1e4b79363005751723378f397bf39
sha512 8187970245ee25091bc00811a94d6c758559520cbbc23a2ea29e0363f29fcce6be9e0e5d019f3457aada50ea40a80741e85a19f6a05bbe8c63aea02dbc5cbd6d
ripemd-160 97c5fcf6b8d31b553eb02b9391e5db9746313fcc

28509871 as geometric shapes

Circle

Radius = n
Diameter 57019742
Circumference 179132802.57679
Area 2.5535265466663E+15

Sphere

Radius = n
Volume 9.7067616587376E+22
Surface area 1.0214106186665E+16
Circumference 179132802.57679

Square

Length = n
Perimeter 114039484
Area 812812744436641
Diagonal 40319046.229707

Cube

Length = n
Surface area 4876876466619846
Volume 2.3173186491045E+22
Space diagonal 49380545.089235

Equilateral Triangle

Length = n
Perimeter 85529613
Area 3.5195824260094E+14
Altitude 24690272.544617

Triangular Pyramid

Length = n
Surface area 3.5195824260094E+14
Volume 2.730986218253E+21
Height 13439682.076569