28621875 (number)
28621875 is an odd 8-digits composite number following 28621874 and preceding 28621876. In scientific notation, it is written as 2.8621875 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 40 positive divisors. There are 14700000 positive integers (up to 28621875) that are relatively prime to 28621875.
Interesting facts
- 28621875 has 40 divisors, whose sum is 39587328
- The reverse of 28621875 is 57812682
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | twenty-eight million six hundred twenty-one thousand eight hundred seventy-five |
|---|
Notation
| Scientific notation | 2.8621875 × 10^7 |
|---|---|
| Engineering notation | 2.8621875 × 10^6 |
Prime Factorization of 28621875
Prime Factorization 5 × 5 × 15 × 25 × 43 × 71
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 5724375 | Product of the distinct prime numbers |
The prime factorization of 28621875 is 5 × 5 × 15 × 25 × 43 × 71. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28621875)
Multiplication
n×y| n×2 | 57243750 |
|---|---|
| n×3 | 85865625 |
| n×4 | 114487500 |
| n×5 | 143109375 |
Division
n÷y| n÷2 | 14310937.5 |
|---|---|
| n÷3 | 9540625 |
| n÷3 | 7155468.75 |
| n÷5 | 5724375 |
Exponentiation
ny| n2 | 819211728515625 |
|---|---|
| n3 | 2.3447375692108E+22 |
| n4 | 6.7110785613756E+29 |
| n5 | 1.9208365169887E+37 |
Nth Root
y√n| 2√n | 5349.9415884662 |
|---|---|
| 3√n | 305.89052643419 |
| 4√n | 73.143294897524 |
| 5√n | 30.998424131172 |
Divisors of 28621875
40 divisors
| τ | Total Divisors | 40 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -28621874 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28621875 can be divided by 40 positive divisors. The sum of these divisors (counting 28621875) is 1, the average is 0.025.
Base conversion 28621875
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101101001011110000110011 |
| 3 | Ternary | 1222212010211110 |
| 4 | Quaternary | 1231023300303 |
| 5 | Quinary | 24311400000 |
| 6 | Senary | 2501244403 |
| 8 | Octal | 155136063 |
| 10 | Decimal | 28621875 |
| 12 | Duodecimal | 9703703 |
| 16 | Hexadecimal | 1b4bc33 |
| 20 | Vigesimal | 8ihedf |
| 36 | Base36 | h1gs3 |
Cryptographic Hash Functions
| md5 | d0c17334633e67cc9525f0e8cc284d27 |
|---|---|
| sha1 | 48757201458b0e626ef7e0cda6ab9d6a8ab44b83 |
| sha256 | 674154add40838011d502818c3feeb508ae52dadec7d416e52db56463ecf1810 |
| sha512 | 3ed9a469cf911988c58723d34a40bb1e0972f5d2a2129ec94cbe7cbd76c3c8d98aa054b3e49ab76a87bc30fec73d09f927517446e5fbb667d47e472c1d2026ad |
| ripemd-160 | 6d4ceeeae8d874d3bc4cece8d066db615f46d423 |
28621875 as geometric shapes
Circle
Radius = n| Diameter | 57243750 |
|---|---|
| Circumference | 179836544.46393 |
| Area | 2.5736295480393E+15 |
Sphere
Radius = n| Volume | 9.8216137627049E+22 |
|---|---|
| Surface area | 1.0294518192157E+16 |
| Circumference | 179836544.46393 |
Square
Length = n| Perimeter | 114487500 |
|---|---|
| Area | 819211728515625 |
| Diagonal | 40477443.805547 |
Cube
Length = n| Surface area | 4915270371093750 |
|---|---|
| Volume | 2.3447375692108E+22 |
| Space diagonal | 49574541.707885 |
Equilateral Triangle
Length = n| Perimeter | 85865625 |
|---|---|
| Area | 3.5472908398635E+14 |
| Altitude | 24787270.853943 |
Triangular Pyramid
Length = n| Surface area | 3.5472908398635E+14 |
|---|---|
| Volume | 2.7632997254864E+21 |
| Height | 13492481.268516 |