28261768 (number)

28261768 is an even 8-digits composite number following 28261767 and preceding 28261769. In scientific notation, it is written as 2.8261768 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 8 positive divisors. There are 14130880 positive integers (up to 28261768) that are relatively prime to 28261768.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand seven hundred sixty-eight

Notation

Scientific notation 2.8261768 × 10^7
Engineering notation 2.8261768 × 10^6

Prime Factorization of 28261768

Prime Factorization 2 × 2 × 2 × 3532721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7065442
Product of the distinct prime numbers

The prime factorization of 28261768 is 2 × 2 × 2 × 3532721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 64, 73, 841, 40, 3847, 3697, 83637, 21346, 540568, 219278, 4927910, 8513065, 42052845, 31164222, 435429699, 840939462, 6921529449, 792355482

Basic calculations (n = 28261768)

Multiplication

n×y
n×2 56523536
n×3 84785304
n×4 113047072
n×5 141308840

Division

n÷y
n÷2 14130884
n÷3 9420589.3333333
n÷3 7065442
n÷5 5652353.6

Exponentiation

ny
n2 798727530485824
n3 2.2573452161803E+22
n4 6.3796566795598E+29
n5 1.8030037699737E+37

Nth Root

y√n
2√n 5316.1798314203
3√n 304.60225138871
4√n 72.912137750997
5√n 30.920027064861

Divisors of 28261768

1, 2, 4, 8, 3532721, 7065442, 14130884, 28261768

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 -28261767
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 28261768 can be divided by 8 positive divisors. The sum of these divisors (counting 28261768) is 1, the average is 0.125.

Base conversion 28261768

Base System Value
2 Binary 1101011110011110110001000
3 Ternary 1222011211212011
4 Quaternary 1223303312020
5 Quinary 24213334033
6 Senary 2445425304
8 Octal 153636610
10 Decimal 28261768
12 Duodecimal 956b234
16 Hexadecimal 1af3d88
20 Vigesimal 8gce88
36 Base36 gtqx4

Cryptographic Hash Functions

md5 4d6d7de4f9c6ea1c6b35fcca25f5aed6
sha1 8f8473adca0982e801f4cf0217611c3487a8ca56
sha256 496d3a44e6ce7d05a4171ab605702f9084a0b418577d1725e1ac5d3844cbf578
sha512 328a70b6880097d8d55b7bf7b2453c3533228dec4fdcc7003221700c6092e906736dae2ba4da81db50fc737e185c743dd583a6a2709521193a746dc419e594ac
ripemd-160 3abe8f7af5709575077b973daa4a860dea592c45

28261768 as geometric shapes

Circle

Radius = n
Diameter 56523536
Circumference 177573925.45252
Area 2.5092765419942E+15

Sphere

Radius = n
Volume 9.4555455303576E+22
Surface area 1.0037106167977E+16
Circumference 177573925.45252

Square

Length = n
Perimeter 113047072
Area 798727530485824
Diagonal 39968175.602242

Cube

Length = n
Surface area 4792365182914944
Volume 2.2573452161803E+22
Space diagonal 48950818.087724

Equilateral Triangle

Length = n
Perimeter 84785304
Area 3.4585916605137E+14
Altitude 24475409.043862

Triangular Pyramid

Length = n
Surface area 3.4585916605137E+14
Volume 2.6603068497335E+21
Height 13322725.200747