28938900 (number)
28938900 is an even 8-digits composite number following 28938899 and preceding 28938901. In scientific notation, it is written as 2.8938900 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 48 positive divisors. There are 7309440 positive integers (up to 28938900) that are relatively prime to 28938900.
Interesting facts
- 28938900 has 48 divisors, whose sum is 68248320
- The reverse of 28938900 is 00983982
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | twenty-eight million nine hundred thirty-eight thousand nine hundred |
|---|
Notation
| Scientific notation | 2.8938900 × 10^7 |
|---|---|
| Engineering notation | 2.8938900 × 10^6 |
Prime Factorization of 28938900
Prime Factorization 2 × 2 × 5 × 15 × 19 × 5077
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 14469450 | Product of the distinct prime numbers |
The prime factorization of 28938900 is 2 × 2 × 5 × 15 × 19 × 5077. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28938900)
Multiplication
n×y| n×2 | 57877800 |
|---|---|
| n×3 | 86816700 |
| n×4 | 115755600 |
| n×5 | 144694500 |
Division
n÷y| n÷2 | 14469450 |
|---|---|
| n÷3 | 9646300 |
| n÷3 | 7234725 |
| n÷5 | 5787780 |
Exponentiation
ny| n2 | 837459933210000 |
|---|---|
| n3 | 2.4235169261171E+22 |
| n4 | 7.013391397321E+29 |
| n5 | 2.0295983230793E+37 |
Nth Root
y√n| 2√n | 5379.4888232991 |
|---|---|
| 3√n | 307.0157623995 |
| 4√n | 73.344998624985 |
| 5√n | 31.066791577614 |
Divisors of 28938900
48 divisors
| τ | Total Divisors | 48 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -28938899 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28938900 can be divided by 48 positive divisors. The sum of these divisors (counting 28938900) is 1, the average is 0.020833333333333.
Base conversion 28938900
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101110011001001010010100 |
| 3 | Ternary | 2000110020201010 |
| 4 | Quaternary | 1232121022110 |
| 5 | Quinary | 24402021100 |
| 6 | Senary | 2512132220 |
| 8 | Octal | 156311224 |
| 10 | Decimal | 28938900 |
| 12 | Duodecimal | 9837070 |
| 16 | Hexadecimal | 1b99294 |
| 20 | Vigesimal | 90h750 |
| 36 | Base36 | h89ec |
Cryptographic Hash Functions
| md5 | fb34b3da23938a9574068778d56af8e4 |
|---|---|
| sha1 | 8dc780b0417dd19b9ce851e0506e1f14c2bff34d |
| sha256 | 1e9ab38f56d0f7075f00b4935cd922cab43a9b1cce8dda17d74a57aeba857cc6 |
| sha512 | 0e0deef577b351988d66f554337d91a7b412aa06a32876bfd378c231f072c19e57b0d21ad25edc9579cd4b19b48adb586ce668445b19cf8261a2930d05d34656 |
| ripemd-160 | fd8704c2c651777858b968cf8b6fd84377cc0d72 |
28938900 as geometric shapes
Circle
Radius = n| Diameter | 57877800 |
|---|---|
| Circumference | 181828471.28594 |
| Area | 2.6309579738483E+15 |
Sphere
Radius = n| Volume | 1.0151603961253E+23 |
|---|---|
| Surface area | 1.0523831895393E+16 |
| Circumference | 181828471.28594 |
Square
Length = n| Perimeter | 115755600 |
|---|---|
| Area | 837459933210000 |
| Diagonal | 40925784.860159 |
Cube
Length = n| Surface area | 5024759599260000 |
|---|---|
| Volume | 2.4235169261171E+22 |
| Space diagonal | 50123645.115155 |
Equilateral Triangle
Length = n| Perimeter | 86816700 |
|---|---|
| Area | 3.6263078840574E+14 |
| Altitude | 25061822.557577 |
Triangular Pyramid
Length = n| Surface area | 3.6263078840574E+14 |
|---|---|
| Volume | 2.8561420879629E+21 |
| Height | 13641928.28672 |