28285428 (number)

28285428 is an even 8-digits composite number following 28285427 and preceding 28285429. In scientific notation, it is written as 2.8285428 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 9428472 positive integers (up to 28285428) that are relatively prime to 28285428.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-five thousand four hundred twenty-eight

Notation

Scientific notation 2.8285428 × 10^7
Engineering notation 2.8285428 × 10^6

Prime Factorization of 28285428

Prime Factorization 2 × 2 × 3 × 2357119

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14142714
Product of the distinct prime numbers

The prime factorization of 28285428 is 2 × 2 × 3 × 2357119. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 49, 25, 291, 548, 2412, 8345, 53174, 61723, 176123, 152867, 2685432, 1185338, 59093240, 44957399, 774343831, 429667215, 8617050203, 4392442099

Basic calculations (n = 28285428)

Multiplication

n×y
n×2 56570856
n×3 84856284
n×4 113141712
n×5 141427140

Division

n÷y
n÷2 14142714
n÷3 9428476
n÷3 7071357
n÷5 5657085.6

Exponentiation

ny
n2 800065437143184
n3 2.2630193317602E+22
n4 6.4010470371111E+29
n5 1.8105635509282E+37

Nth Root

y√n
2√n 5318.4046480124
3√n 304.68722931205
4√n 72.927392987906
5√n 30.925202416832

Divisors of 28285428

1, 2, 3, 4, 6, 12, 2357119, 4714238, 7071357, 9428476, 14142714, 28285428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28285427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28285428 can be divided by 12 positive divisors. The sum of these divisors (counting 28285428) is 1, the average is 0.083333333333333.

Base conversion 28285428

Base System Value
2 Binary 1101011111001100111110100
3 Ternary 1222020001022110
4 Quaternary 1223321213310
5 Quinary 24220113203
6 Senary 2450131020
8 Octal 153714764
10 Decimal 28285428
12 Duodecimal 9580a70
16 Hexadecimal 1af99f4
20 Vigesimal 8gfdb8
36 Base36 gu96c

Cryptographic Hash Functions

md5 b77ac76233b02f1e20be29d47f710fe0
sha1 7945b3f7f73f4b07d6d7241aacbd36ad8adf5713
sha256 779ef192a97372468cdf9ede314979a26433a28f353be4118595d4e053108299
sha512 be2cc59fb75e87dcfb529b29e9ee04a320134b4cb0fe4e6eb1a731b07597c2990111f53b5f6b1d7e2581b8b6805793863de909824417df4d73c25a241f0c23dc
ripemd-160 2850c5d457fb9f8d3311f9f80cfeaa10227ffcab

28285428 as geometric shapes

Circle

Radius = n
Diameter 56570856
Circumference 177722585.61689
Area 2.5134796997201E+15

Sphere

Radius = n
Volume 9.4793132101194E+22
Surface area 1.0053918798881E+16
Circumference 177722585.61689

Square

Length = n
Perimeter 113141712
Area 800065437143184
Diagonal 40001635.895128

Cube

Length = n
Surface area 4800392622859104
Volume 2.2630193317602E+22
Space diagonal 48991798.409831

Equilateral Triangle

Length = n
Perimeter 84856284
Area 3.4643849662795E+14
Altitude 24495899.204916

Triangular Pyramid

Length = n
Surface area 3.4643849662795E+14
Volume 2.6669938590732E+21
Height 13333878.631709