28428557 (number)

28428557 is an odd 8-digits composite number following 28428556 and preceding 28428558. In scientific notation, it is written as 2.8428557 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 28405500 positive integers (up to 28428557) that are relatively prime to 28428557.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-eight thousand five hundred fifty-seven

Notation

Scientific notation 2.8428557 × 10^7
Engineering notation 2.8428557 × 10^6

Prime Factorization of 28428557

Prime Factorization 1307 × 21751

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28428557
Product of the distinct prime numbers

The prime factorization of 28428557 is 1307 × 21751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 87, 45, 228, 936, 4183, 2412, 35798, 66434, 434850, 170326, 6160848, 250782, 78691768, 10160072, 739145238, 571404032, 9329254368, 3424384481

Basic calculations (n = 28428557)

Multiplication

n×y
n×2 56857114
n×3 85285671
n×4 113714228
n×5 142142785

Division

n÷y
n÷2 14214278.5
n÷3 9476185.6666667
n÷3 7107139.25
n÷5 5685711.4

Exponentiation

ny
n2 808182853102249
n3 2.297547230584E+22
n4 6.5315952404849E+29
n5 1.8568382759505E+37

Nth Root

y√n
2√n 5331.8436773784
3√n 305.20028768824
4√n 73.019474644634
5√n 30.95643660065

Divisors of 28428557

1, 1307, 21751, 28428557

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28428556
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28428557 can be divided by 4 positive divisors. The sum of these divisors (counting 28428557) is 1, the average is 0.25.

Base conversion 28428557

Base System Value
2 Binary 1101100011100100100001101
3 Ternary 1222111022122112
4 Quaternary 1230130210031
5 Quinary 24234203212
6 Senary 2453153405
8 Octal 154344415
10 Decimal 28428557
12 Duodecimal 962b865
16 Hexadecimal 1b1c90d
20 Vigesimal 8hdb7h
36 Base36 gxbm5

Cryptographic Hash Functions

md5 6530c78735876d63bb68bbd9f1b4b848
sha1 f453ebb0abcb77792f05c60caff00bd9dc6c77cc
sha256 48925ba2280eb4f430eb68b089e16f3ce555d79ae6f12d5e82d0d65bf0a8cd01
sha512 7a047e30370262b96afe85500738b90e9a247f411c0fd7da6183f055ca13501d5880f68c59856ffe3d767d0925cc87a23878a042a86c2452aa8921c000a584f0
ripemd-160 9391e1e448fecda163152900021e28cffe5ca72e

28428557 as geometric shapes

Circle

Radius = n
Diameter 56857114
Circumference 178621891.64672
Area 2.5389813140633E+15

Sphere

Radius = n
Volume 9.6239433345043E+22
Surface area 1.0155925256253E+16
Circumference 178621891.64672

Square

Length = n
Perimeter 113714228
Area 808182853102249
Diagonal 40204050.868097

Cube

Length = n
Surface area 4849097118613494
Volume 2.297547230584E+22
Space diagonal 49239705.109868

Equilateral Triangle

Length = n
Perimeter 85285671
Area 3.4995344084477E+14
Altitude 24619852.554934

Triangular Pyramid

Length = n
Surface area 3.4995344084477E+14
Volume 2.7076853780705E+21
Height 13401350.289366