15691728 (number)
15691728 is an even 8-digits composite number following 15691727 and preceding 15691729. In scientific notation, it is written as 1.5691728 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 4828032 positive integers (up to 15691728) that are relatively prime to 15691728.
Interesting facts
- 15691728 has 40 divisors, whose sum is 43656928
- The reverse of 15691728 is 82719651
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | fifteen million six hundred ninety-one thousand seven hundred twenty-eight |
|---|
Notation
| Scientific notation | 1.5691728 × 10^7 |
|---|---|
| Engineering notation | 1.5691728 × 10^6 |
Prime Factorization of 15691728
Prime Factorization 2 × 2 × 2 × 2 × 3 × 13 × 25147
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 1961466 | Product of the distinct prime numbers |
The prime factorization of 15691728 is 2 × 2 × 2 × 2 × 3 × 13 × 25147. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 15691728)
Multiplication
n×y| n×2 | 31383456 |
|---|---|
| n×3 | 47075184 |
| n×4 | 62766912 |
| n×5 | 78458640 |
Division
n÷y| n÷2 | 7845864 |
|---|---|
| n÷3 | 5230576 |
| n÷3 | 3922932 |
| n÷5 | 3138345.6 |
Exponentiation
ny| n2 | 246230327625984 |
|---|---|
| n3 | 3.8637793264578E+21 |
| n4 | 6.0629374242799E+28 |
| n5 | 9.5137964942821E+35 |
Nth Root
y√n| 2√n | 3961.2785814684 |
|---|---|
| 3√n | 250.35537725532 |
| 4√n | 62.938689066967 |
| 5√n | 27.487431133364 |
Divisors of 15691728
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 | -15691727 | 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 15691728 can be divided by 40 positive divisors. The sum of these divisors (counting 15691728) is 1, the average is 0.025.
Base conversion 15691728
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111011110110111111010000 |
| 3 | Ternary | 1002112020000010 |
| 4 | Quaternary | 323312333100 |
| 5 | Quinary | 13004113403 |
| 6 | Senary | 1320154520 |
| 8 | Octal | 73667720 |
| 10 | Decimal | 15691728 |
| 12 | Duodecimal | 5308a40 |
| 16 | Hexadecimal | ef6fd0 |
| 20 | Vigesimal | 4i1968 |
| 36 | Base36 | 9cbtc |
Cryptographic Hash Functions
| md5 | 485e7e4a1e4ecca9ec28eed70aa7eeac |
|---|---|
| sha1 | bf5f63cbea406627085799c888f10d2a70a681d1 |
| sha256 | e31413aad3e9bcdc476eb2c2505caf84a53e3ad9bd8444781340508c1f7bee29 |
| sha512 | 484dff6b88a8bec31478462cc9e03688b30d351efb5f6255aa63c81761d059a243cae41f8218101e5cc12790132bddca039c3bea54f1d2e2ba0d85f679651ae7 |
| ripemd-160 | e8e3f5ea40ce169d9a4c37530afb32dbf04ffecd |
15691728 as geometric shapes
Circle
Radius = n| Diameter | 31383456 |
|---|---|
| Circumference | 98594034.813859 |
| Area | 7.735553883608E+14 |
Sphere
Radius = n| Volume | 1.6184560996123E+22 |
|---|---|
| Surface area | 3.0942215534432E+15 |
| Circumference | 98594034.813859 |
Square
Length = n| Perimeter | 62766912 |
|---|---|
| Area | 246230327625984 |
| Diagonal | 22191454.55467 |
Cube
Length = n| Surface area | 1477381965755904 |
|---|---|
| Volume | 3.8637793264578E+21 |
| Space diagonal | 27178870.154551 |
Equilateral Triangle
Length = n| Perimeter | 47075184 |
|---|---|
| Area | 1.0662085945313E+14 |
| Altitude | 13589435.077276 |
Triangular Pyramid
Length = n| Surface area | 1.0662085945313E+14 |
|---|---|
| Volume | 4.5535076045779E+20 |
| Height | 7397151.5182232 |