28394428 (number)

28394428 is an even 8-digits composite number following 28394427 and preceding 28394429. In scientific notation, it is written as 2.8394428 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 14197212 positive integers (up to 28394428) that are relatively prime to 28394428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8394428 × 10^7
Engineering notation 2.8394428 × 10^6

Prime Factorization of 28394428

Prime Factorization 2 × 2 × 7098607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14197214
Product of the distinct prime numbers

The prime factorization of 28394428 is 2 × 2 × 7098607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 73, 31, 380, 312, 8480, 4657, 65000, 45321, 522225, 624452, 8092079, 1651194, 45291715, 11956125, 883303984, 449709717, 4458969702, 2933472138

Basic calculations (n = 28394428)

Multiplication

n×y
n×2 56788856
n×3 85183284
n×4 113577712
n×5 141972140

Division

n÷y
n÷2 14197214
n÷3 9464809.3333333
n÷3 7098607
n÷5 5678885.6

Exponentiation

ny
n2 806243541447184
n3 2.2892824188087E+22
n4 6.500286481253E+29
n5 1.8457191647131E+37

Nth Root

y√n
2√n 5328.6422285607
3√n 305.07810594833
4√n 72.997549469559
5√n 30.949000275722

Divisors of 28394428

1, 2, 4, 7098607, 14197214, 28394428

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28394427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28394428 can be divided by 6 positive divisors. The sum of these divisors (counting 28394428) is 1, the average is 0.16666666666667.

Base conversion 28394428

Base System Value
2 Binary 1101100010100001110111100
3 Ternary 1222102120211111
4 Quaternary 1230110032330
5 Quinary 24232110203
6 Senary 2452331404
8 Octal 154241674
10 Decimal 28394428
12 Duodecimal 9613b64
16 Hexadecimal 1b143bc
20 Vigesimal 8h9618
36 Base36 gwla4

Cryptographic Hash Functions

md5 aed511a31b48a0cba5c879d46c336740
sha1 ed35d7be784703a1a797a13bc2b2baf0f1811d8c
sha256 08e0d18709120678e6e15d5f1b875bb681c5cf22dbe39c0e5051306df77b1db5
sha512 7130e225c44cd98dd0bc5461fee562c41cb8d004e12b6f939c6b597e4ddca09d49a45627aa9f7fa39d1f6d79f6b08e8e86a7244507dccc723ed480b1cdd6f852
ripemd-160 919cdd002b46e54cb4511e3b8b80c88e499fce35

28394428 as geometric shapes

Circle

Radius = n
Diameter 56788856
Circumference 178407452.81537
Area 2.5328887868147E+15

Sphere

Radius = n
Volume 9.5893237718956E+22
Surface area 1.0131555147259E+16
Circumference 178407452.81537

Square

Length = n
Perimeter 113577712
Area 806243541447184
Diagonal 40155785.173426

Cube

Length = n
Surface area 4837461248683104
Volume 2.2892824188087E+22
Space diagonal 49180591.947856

Equilateral Triangle

Length = n
Perimeter 85183284
Area 3.491136942652E+14
Altitude 24590295.973928

Triangular Pyramid

Length = n
Surface area 3.491136942652E+14
Volume 2.6979452039846E+21
Height 13385261.724475