8129872 (number)
8129872 is an even 7-digits composite number following 8129871 and preceding 8129873. In scientific notation, it is written as 8.129872 × 10^6. The sum of its digits is 37. It has a total of 7 prime factors and 40 positive divisors. There are 3762432 positive integers (up to 8129872) that are relatively prime to 8129872.
Interesting facts
- 8129872 has 40 divisors, whose sum is 16963200
- The reverse of 8129872 is 2789218
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 37
- Digital Root 1
Name
| Name | eight million one hundred twenty-nine thousand eight hundred seventy-two |
|---|
Notation
| Scientific notation | 8.129872 × 10^6 |
|---|---|
| Engineering notation | 8.129872 × 10^6 |
Prime Factorization of 8129872
Prime Factorization 2 × 2 × 2 × 2 × 19 × 47 × 569
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 1016234 | Product of the distinct prime numbers |
The prime factorization of 8129872 is 2 × 2 × 2 × 2 × 19 × 47 × 569. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 8129872)
Multiplication
n×y| n×2 | 16259744 |
|---|---|
| n×3 | 24389616 |
| n×4 | 32519488 |
| n×5 | 40649360 |
Division
n÷y| n÷2 | 4064936 |
|---|---|
| n÷3 | 2709957.3333333 |
| n÷3 | 2032468 |
| n÷5 | 1625974.4 |
Exponentiation
ny| n2 | 66094818736384 |
|---|---|
| n3 | 5.3734241619E+20 |
| n4 | 4.3685250637955E+27 |
| n5 | 3.5515549597449E+34 |
Nth Root
y√n| 2√n | 2851.2930400083 |
|---|---|
| 3√n | 201.07646241523 |
| 4√n | 53.397500316104 |
| 5√n | 24.099983297547 |
Divisors of 8129872
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 | -8129871 | 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 8129872 can be divided by 40 positive divisors. The sum of these divisors (counting 8129872) is 1, the average is 0.025.
Base conversion 8129872
| Base | System | Value |
|---|---|---|
| 2 | Binary | 11111000000110101010000 |
| 3 | Ternary | 120022001002101 |
| 4 | Quaternary | 133000311100 |
| 5 | Quinary | 4040123442 |
| 6 | Senary | 450130144 |
| 8 | Octal | 37006520 |
| 10 | Decimal | 8129872 |
| 12 | Duodecimal | 2880954 |
| 16 | Hexadecimal | 7c0d50 |
| 20 | Vigesimal | 2ag4dc |
| 36 | Base36 | 4u91s |
Cryptographic Hash Functions
| md5 | 4315ff51938a79beccb45733cfa952d6 |
|---|---|
| sha1 | 2a3f307d71638516e6511c6f9d7a5ba8b3124b71 |
| sha256 | b40199eb99cf9cc623773151eab3c82ec0c67f70ef6a28cc4a3fb36c61067b70 |
| sha512 | e2c235e6911fca104cff68a8059f9b045222921bb18dde1a9315ed4d7a3338f2c710bc7b0f7af34a75d5a734b389daa0edf4a326faec963027082d8a719de5d0 |
| ripemd-160 | 3105ac0aefbd8736f65c00c55323119cd7f97d4d |
8129872 as geometric shapes
Circle
Radius = n| Diameter | 16259744 |
|---|---|
| Circumference | 51081492.299651 |
| Area | 2.0764299698257E+14 |
Sphere
Radius = n| Volume | 2.2508146495529E+21 |
|---|---|
| Surface area | 8.3057198793029E+14 |
| Circumference | 51081492.299651 |
Square
Length = n| Perimeter | 32519488 |
|---|---|
| Area | 66094818736384 |
| Diagonal | 11497375.242757 |
Cube
Length = n| Surface area | 396568912418304 |
|---|---|
| Volume | 5.3734241619E+20 |
| Space diagonal | 14081351.363032 |
Equilateral Triangle
Length = n| Perimeter | 24389616 |
|---|---|
| Area | 28619896042118 |
| Altitude | 7040675.6815158 |
Triangular Pyramid
Length = n| Surface area | 28619896042118 |
|---|---|
| Volume | 6.3326411051186E+19 |
| Height | 3832458.4142524 |