28661875 (number)

28661875 is an odd 8-digits composite number following 28661874 and preceding 28661876. In scientific notation, it is written as 2.8661875 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 20790000 positive integers (up to 28661875) that are relatively prime to 28661875.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-one thousand eight hundred seventy-five

Notation

Scientific notation 2.8661875 × 10^7
Engineering notation 2.8661875 × 10^6

Prime Factorization of 28661875

Prime Factorization 1375 × 11 × 5 × 379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28661875
Product of the distinct prime numbers

The prime factorization of 28661875 is 1375 × 11 × 5 × 379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 49, 12, 553, 783, 6465, 4223, 52705, 55520, 921598, 521380, 2429852, 6978818, 88294200, 33623270, 741834678, 257304000, 5298368183, 7287159178

Basic calculations (n = 28661875)

Multiplication

n×y
n×2 57323750
n×3 85985625
n×4 114647500
n×5 143309375

Division

n÷y
n÷2 14330937.5
n÷3 9553958.3333333
n÷3 7165468.75
n÷5 5732375

Exponentiation

ny
n2 821503078515625
n3 2.354581854853E+22
n4 6.7486730801065E+29
n5 1.9342962423788E+37

Nth Root

y√n
2√n 5353.6786418312
3√n 306.03295741965
4√n 73.168836548296
5√n 31.007083552716

Divisors of 28661875

1, 5, 11, 55, 379, 1375, 1895, 4169, 6875, 15125, 20845, 75625, 521125, 2605625, 5732375, 28661875

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28661874
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28661875 can be divided by 16 positive divisors. The sum of these divisors (counting 28661875) is 1, the average is 0.0625.

Base conversion 28661875

Base System Value
2 Binary 1101101010101100001110011
3 Ternary 1222221011200221
4 Quaternary 1231111201303
5 Quinary 24314140000
6 Senary 2502153511
8 Octal 155254163
10 Decimal 28661875
12 Duodecimal 9722897
16 Hexadecimal 1b55873
20 Vigesimal 8j2edf
36 Base36 h2bn7

Cryptographic Hash Functions

md5 f1661e49904245a0d9aafc705157c27e
sha1 785938ad720e71546470dc77c634472cd8cd1bef
sha256 838ba82fe04dc6de45bee4276ae7b6b03a497dc8ee7b1724ada9442e80487501
sha512 c9d472471f2adb5f14f637466ba1866fb54e495080b5f7c186aa7760b920fa7ecb66b66df6a2962f00d956c8936d53ba7a2288e452e8dc5759865ff013a6a4dc
ripemd-160 acbe89126fb8579d76428e66693fd11462dee9b9

28661875 as geometric shapes

Circle

Radius = n
Diameter 57323750
Circumference 180087871.87622
Area 2.5808280363661E+15

Sphere

Radius = n
Volume 9.862849409976E+22
Surface area 1.0323312145464E+16
Circumference 180087871.87622

Square

Length = n
Perimeter 114647500
Area 821503078515625
Diagonal 40534012.348042

Cube

Length = n
Surface area 4929018471093750
Volume 2.354581854853E+22
Space diagonal 49643823.740188

Equilateral Triangle

Length = n
Perimeter 85985625
Area 3.5572126764083E+14
Altitude 24821911.870094

Triangular Pyramid

Length = n
Surface area 3.5572126764083E+14
Volume 2.7749013273756E+21
Height 13511337.449347