28542909 (number)

28542909 is an odd 8-digits composite number following 28542908 and preceding 28542910. In scientific notation, it is written as 2.8542909 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 18414720 positive integers (up to 28542909) that are relatively prime to 28542909.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred forty-two thousand nine hundred nine

Notation

Scientific notation 2.8542909 × 10^7
Engineering notation 2.8542909 × 10^6

Prime Factorization of 28542909

Prime Factorization 3 × 31 × 306913

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28542909
Product of the distinct prime numbers

The prime factorization of 28542909 is 3 × 31 × 306913. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28542909)

Multiplication

n×y
n×2 57085818
n×3 85628727
n×4 114171636
n×5 142714545

Division

n÷y
n÷2 14271454.5
n÷3 9514303
n÷3 7135727.25
n÷5 5708581.8

Exponentiation

ny
n2 814697654182281
n3 2.3253841005838E+22
n4 6.6373226773011E+29
n5 1.8944849718184E+37

Nth Root

y√n
2√n 5342.5564105585
3√n 305.60895625483
4√n 73.092793150615
5√n 30.981300673004

Divisors of 28542909

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 -28542908
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 28542909 can be divided by 8 positive divisors. The sum of these divisors (counting 28542909) is 1, the average is 0.125.

Base conversion 28542909

Base System Value
2 Binary 1101100111000011110111101
3 Ternary 1222201010111210
4 Quaternary 1230320132331
5 Quinary 24301333114
6 Senary 2455435033
8 Octal 154703675
10 Decimal 28542909
12 Duodecimal 9685a79
16 Hexadecimal 1b387bd
20 Vigesimal 8i7h59
36 Base36 gzrul

Cryptographic Hash Functions

md5 ace3045388097a15657e52724a788c74
sha1 9163e2ef3ea8a9fe9a7b2007cca975ca68d0e6d5
sha256 d65b9d57494b5d3ba2dbdf82a5d8e279816fb8f4daa0f762ee4b617b62b3268a
sha512 d5006544fb72f6ebd073426cd1e21f64e5f32df7c17d5661b03521cba7fb751fbadf929445fa038208f635dad5da7a1dbc2caf317735ed75feccaac9986f99d5
ripemd-160 3f78e872026a0645f0d08cdaae5bcd0749ab9832

28542909 as geometric shapes

Circle

Radius = n
Diameter 57085818
Circumference 179340386.45296
Area 2.5594481652759E+15

Sphere

Radius = n
Volume 9.7405461428916E+22
Surface area 1.0237792661104E+16
Circumference 179340386.45296

Square

Length = n
Perimeter 114171636
Area 814697654182281
Diagonal 40365769.017381

Cube

Length = n
Surface area 4888185925093686
Volume 2.3253841005838E+22
Space diagonal 49437768.583815

Equilateral Triangle

Length = n
Perimeter 85628727
Area 3.5277443246272E+14
Altitude 24718884.291907

Triangular Pyramid

Length = n
Surface area 3.5277443246272E+14
Volume 2.740491443977E+21
Height 13455256.339127