28394427 (number)

28394427 is an odd 8-digits composite number following 28394426 and preceding 28394428. In scientific notation, it is written as 2.8394427 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 18467840 positive integers (up to 28394427) that are relatively prime to 28394427.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8394427 × 10^7
Engineering notation 2.8394427 × 10^6

Prime Factorization of 28394427

Prime Factorization 3 × 41 × 230849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28394427
Product of the distinct prime numbers

The prime factorization of 28394427 is 3 × 41 × 230849. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28394427)

Multiplication

n×y
n×2 56788854
n×3 85183281
n×4 113577708
n×5 141972135

Division

n÷y
n÷2 14197213.5
n÷3 9464809
n÷3 7098606.75
n÷5 5678885.4

Exponentiation

ny
n2 806243484658329
n3 2.2892821769357E+22
n4 6.5002855655401E+29
n5 1.8457188396988E+37

Nth Root

y√n
2√n 5328.6421347281
3√n 305.0781023669
4√n 72.997548826849
5√n 30.949000057729

Divisors of 28394427

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 -28394426
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 28394427 can be divided by 8 positive divisors. The sum of these divisors (counting 28394427) is 1, the average is 0.125.

Base conversion 28394427

Base System Value
2 Binary 1101100010100001110111011
3 Ternary 1222102120211110
4 Quaternary 1230110032323
5 Quinary 24232110202
6 Senary 2452331403
8 Octal 154241673
10 Decimal 28394427
12 Duodecimal 9613b63
16 Hexadecimal 1b143bb
20 Vigesimal 8h9617
36 Base36 gwla3

Cryptographic Hash Functions

md5 3e625d5cae8f7171dc001c5d9c7eecc8
sha1 463abae2c177574daef606000fc904a522aea429
sha256 e9986ac183c0205e2e0ab168e7072ddd83ca1315dd06b878bc0c739b75a6c4ec
sha512 3ce0be5f19b1037f992dc284a2f534f311beecdd11328271e0ac343c8aa5093b76ed9e3f23f014f3dc64db4b0e3e3abbc9fae76a10315be2250d6096731ab142
ripemd-160 2d044d3a8ccce508322005421ee7757f3e62b208

28394427 as geometric shapes

Circle

Radius = n
Diameter 56788854
Circumference 178407446.53218
Area 2.5328886084072E+15

Sphere

Radius = n
Volume 9.5893227587401E+22
Surface area 1.0131554433629E+16
Circumference 178407446.53218

Square

Length = n
Perimeter 113577708
Area 806243484658329
Diagonal 40155783.759213

Cube

Length = n
Surface area 4837460907949974
Volume 2.2892821769357E+22
Space diagonal 49180590.215806

Equilateral Triangle

Length = n
Perimeter 85183281
Area 3.491136696749E+14
Altitude 24590295.107903

Triangular Pyramid

Length = n
Surface area 3.491136696749E+14
Volume 2.6979449189345E+21
Height 13385261.253071