28290428 (number)

28290428 is an even 8-digits composite number following 28290427 and preceding 28290429. In scientific notation, it is written as 2.8290428 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 13364288 positive integers (up to 28290428) that are relatively prime to 28290428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8290428 × 10^7
Engineering notation 2.8290428 × 10^6

Prime Factorization of 28290428

Prime Factorization 2 × 2 × 1363 × 5189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14145214
Product of the distinct prime numbers

The prime factorization of 28290428 is 2 × 2 × 1363 × 5189. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 32, 14, 809, 807, 4863, 7686, 38795, 65940, 536838, 498033, 1412, 9446300, 52701745, 97626563, 374617233, 111355826, 1494160079, 3876548723

Basic calculations (n = 28290428)

Multiplication

n×y
n×2 56580856
n×3 84871284
n×4 113161712
n×5 141452140

Division

n÷y
n÷2 14145214
n÷3 9430142.6666667
n÷3 7072607
n÷5 5658085.6

Exponentiation

ny
n2 800348316423184
n3 2.2642196420691E+22
n4 6.4055742760143E+29
n5 1.8121643785423E+37

Nth Root

y√n
2√n 5318.8746930154
3√n 304.70518138723
4√n 72.930615608367
5√n 30.926295665836

Divisors of 28290428

1, 2, 4, 1363, 2726, 5189, 5452, 10378, 20756, 7072607, 14145214, 28290428

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 -28290427
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 28290428 can be divided by 12 positive divisors. The sum of these divisors (counting 28290428) is 1, the average is 0.083333333333333.

Base conversion 28290428

Base System Value
2 Binary 1101011111010110101111100
3 Ternary 1222020022011122
4 Quaternary 1223322311330
5 Quinary 24220243203
6 Senary 2450210112
8 Octal 153726574
10 Decimal 28290428
12 Duodecimal 9583938
16 Hexadecimal 1afad7c
20 Vigesimal 8gg618
36 Base36 gud18

Cryptographic Hash Functions

md5 4e10ce87633b04448e8dcce595ae3d88
sha1 2345928c5d8b09b18e514050633532c7f2600934
sha256 672d32a5738a8b895dc3f63f89b455f515b0d72db97d060e993a1990c1b341da
sha512 2b6b2bb22b4f6e2255f99f16325645e75b509b5e65897ba18b709e99a24c738768b5b4c140cbab9f0172cd499440753af72a1040163181f671e0e834456286c0
ripemd-160 9c2a03f1bcf864a0fb44e427d1bdf031ba1adcc9

28290428 as geometric shapes

Circle

Radius = n
Diameter 56580856
Circumference 177754001.54342
Area 2.514368391188E+15

Sphere

Radius = n
Volume 9.4843410581841E+22
Surface area 1.0057473564752E+16
Circumference 177754001.54342

Square

Length = n
Perimeter 113161712
Area 800348316423184
Diagonal 40008706.96294

Cube

Length = n
Surface area 4802089898539104
Volume 2.2642196420691E+22
Space diagonal 49000458.663869

Equilateral Triangle

Length = n
Perimeter 84871284
Area 3.4656098694929E+14
Altitude 24500229.331935

Triangular Pyramid

Length = n
Surface area 3.4656098694929E+14
Volume 2.6684084383381E+21
Height 13336235.654313