12691888 (number)
12691888 is an even 8-digits composite number following 12691887 and preceding 12691889. In scientific notation, it is written as 1.2691888 × 10^7. The sum of its digits is 43. It has a total of 7 prime factors and 40 positive divisors. There are 5610240 positive integers (up to 12691888) that are relatively prime to 12691888.
Interesting facts
- 12691888 has 40 divisors, whose sum is 27565200
- The reverse of 12691888 is 88819621
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 43
- Digital Root 7
Name
| Name | twelve million six hundred ninety-one thousand eight hundred eighty-eight |
|---|
Notation
| Scientific notation | 1.2691888 × 10^7 |
|---|---|
| Engineering notation | 1.2691888 × 10^6 |
Prime Factorization of 12691888
Prime Factorization 2 × 2 × 2 × 2 × 11 × 37 × 1949
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 1586486 | Product of the distinct prime numbers |
The prime factorization of 12691888 is 2 × 2 × 2 × 2 × 11 × 37 × 1949. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12691888)
Multiplication
n×y| n×2 | 25383776 |
|---|---|
| n×3 | 38075664 |
| n×4 | 50767552 |
| n×5 | 63459440 |
Division
n÷y| n÷2 | 6345944 |
|---|---|
| n÷3 | 4230629.3333333 |
| n÷3 | 3172972 |
| n÷5 | 2538377.6 |
Exponentiation
ny| n2 | 161084021004544 |
|---|---|
| n3 | 2.0444603531793E+21 |
| n4 | 2.5948061822992E+28 |
| n5 | 3.2932989447449E+35 |
Nth Root
y√n| 2√n | 3562.5676133935 |
|---|---|
| 3√n | 233.26096985054 |
| 4√n | 59.687248331561 |
| 5√n | 26.345427260793 |
Divisors of 12691888
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 | -12691887 | 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 12691888 can be divided by 40 positive divisors. The sum of these divisors (counting 12691888) is 1, the average is 0.025.
Base conversion 12691888
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110000011010100110110000 |
| 3 | Ternary | 212212210222221 |
| 4 | Quaternary | 300122212300 |
| 5 | Quinary | 11222120023 |
| 6 | Senary | 1132010424 |
| 8 | Octal | 60324660 |
| 10 | Decimal | 12691888 |
| 12 | Duodecimal | 4300a14 |
| 16 | Hexadecimal | c1a9b0 |
| 20 | Vigesimal | 3j69e8 |
| 36 | Base36 | 7k14g |
Cryptographic Hash Functions
| md5 | ea962d68a1fac9950913f51bcc7b5d74 |
|---|---|
| sha1 | f582940f98f1295a1d35540926e310f2dbcb2410 |
| sha256 | 127b8979278e97c5b0a78440e5381c9b40412c77c36abd9149cfe193fcd98884 |
| sha512 | c666640eabf32e0d3a232690b0f8dc9315ebb4783562c5b9d7f1ac3e2d8a53bf0f54c9ded82dcffb12341ecf6d0189a45dbf768f86c91908dd034d578c00d4c1 |
| ripemd-160 | ffe2c59f9792db797f2db71e5776b41291e8e1b1 |
12691888 as geometric shapes
Circle
Radius = n| Diameter | 25383776 |
|---|---|
| Circumference | 79745484.201969 |
| Area | 5.0606037699858E+14 |
Sphere
Radius = n| Volume | 8.5638155014717E+21 |
|---|---|
| Surface area | 2.0242415079943E+15 |
| Circumference | 79745484.201969 |
Square
Length = n| Perimeter | 50767552 |
|---|---|
| Area | 161084021004544 |
| Diagonal | 17949040.14172 |
Cube
Length = n| Surface area | 966504126027264 |
|---|---|
| Volume | 2.0444603531793E+21 |
| Space diagonal | 21982994.859974 |
Equilateral Triangle
Length = n| Perimeter | 38075664 |
|---|---|
| Area | 69751427166841 |
| Altitude | 10991497.429987 |
Triangular Pyramid
Length = n| Surface area | 69751427166841 |
|---|---|
| Volume | 2.4094196326669E+20 |
| Height | 5983013.3805734 |