398840 (number)
398840 is an even 6-digits composite number following 398839 and preceding 398841. In scientific notation, it is written as 3.98840 × 10^5. The sum of its digits is 32. It has a total of 7 prime factors and 48 positive divisors. There are 144768 positive integers (up to 398840) that are relatively prime to 398840.
Interesting facts
- 398840 has 48 divisors, whose sum is 988200
- The reverse of 398840 is 048893
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 6
- Sum of Digits 32
- Digital Root 5
Name
| Name | three hundred ninety-eight thousand eight hundred forty |
|---|
Notation
| Scientific notation | 3.98840 × 10^5 |
|---|---|
| Engineering notation | 3.98840 × 10^3 |
Prime Factorization of 398840
Prime Factorization 2 × 2 × 2 × 5 × 13 × 13 × 59
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 7670 | Product of the distinct prime numbers |
The prime factorization of 398840 is 2 × 2 × 2 × 5 × 13 × 13 × 59. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 398840)
Multiplication
n×y| n×2 | 797680 |
|---|---|
| n×3 | 1196520 |
| n×4 | 1595360 |
| n×5 | 1994200 |
Division
n÷y| n÷2 | 199420 |
|---|---|
| n÷3 | 132946.66666667 |
| n÷3 | 99710 |
| n÷5 | 79768 |
Exponentiation
ny| n2 | 159073345600 |
|---|---|
| n3 | 63444813159104000 |
| n4 | 2.5304329280377E+22 |
| n5 | 1.0092378690186E+28 |
Nth Root
y√n| 2√n | 631.53780567754 |
|---|---|
| 3√n | 73.609336402238 |
| 4√n | 25.130415947165 |
| 5√n | 13.187417068719 |
Divisors of 398840
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 | -398839 | 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 398840 can be divided by 48 positive divisors. The sum of these divisors (counting 398840) is 1, the average is 0.020833333333333.
Base conversion 398840
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1100001010111111000 |
| 3 | Ternary | 202021002212 |
| 4 | Quaternary | 1201113320 |
| 5 | Quinary | 100230330 |
| 6 | Senary | 12314252 |
| 8 | Octal | 1412770 |
| 10 | Decimal | 398840 |
| 12 | Duodecimal | 172988 |
| 16 | Hexadecimal | 615f8 |
| 20 | Vigesimal | 29h20 |
| 36 | Base36 | 8jqw |
Cryptographic Hash Functions
| md5 | 156a0e180e8add8ab7dc44d534029b9e |
|---|---|
| sha1 | ca465dd94bc23c9cd4cefa0a09ce01be289454a8 |
| sha256 | 0719096bce077af0192698d1ef258e76c0e32ffac5f8cdb7386873fd0e8b82b1 |
| sha512 | 8b011d433988324e919ae9bf3797d73abf117d81612688bd0dcf7b742bf063018915b8a6e33f57cea2a7440ce9e4b423003a417b3e1d1d1e5929fced910d0c52 |
| ripemd-160 | a8487cd72d3dd1f51be9a2c0e72ec3f52ed94650 |
398840 as geometric shapes
Circle
Radius = n| Diameter | 797680 |
|---|---|
| Circumference | 2505985.6279155 |
| Area | 499743653918.91 |
Sphere
Radius = n| Volume | 2.6575701190536E+17 |
|---|---|
| Surface area | 1998974615675.6 |
| Circumference | 2505985.6279155 |
Square
Length = n| Perimeter | 1595360 |
|---|---|
| Area | 159073345600 |
| Diagonal | 564044.93721689 |
Cube
Length = n| Surface area | 954440073600 |
|---|---|
| Volume | 63444813159104000 |
| Space diagonal | 690811.14409077 |
Equilateral Triangle
Length = n| Perimeter | 1196520 |
|---|---|
| Area | 68880779177.291 |
| Altitude | 345405.57204539 |
Triangular Pyramid
Length = n| Surface area | 68880779177.291 |
|---|---|
| Volume | 7.477042935986E+15 |
| Height | 188014.9790723 |