12981072 (number)
12981072 is an even 8-digits composite number following 12981071 and preceding 12981073. In scientific notation, it is written as 1.2981072 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 80 positive divisors. There are 3924480 positive integers (up to 12981072) that are relatively prime to 12981072.
Interesting facts
- 12981072 has 80 divisors, whose sum is 36747648
- The reverse of 12981072 is 27018921
- Previous prime number is 71
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
| Name | twelve million nine hundred eighty-one thousand seventy-two |
|---|
Notation
| Scientific notation | 1.2981072 × 10^7 |
|---|---|
| Engineering notation | 1.2981072 × 10^6 |
Prime Factorization of 12981072
Prime Factorization 2 × 2 × 2 × 2 × 3 × 13 × 71 × 293
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 1622634 | Product of the distinct prime numbers |
The prime factorization of 12981072 is 2 × 2 × 2 × 2 × 3 × 13 × 71 × 293. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12981072)
Multiplication
n×y| n×2 | 25962144 |
|---|---|
| n×3 | 38943216 |
| n×4 | 51924288 |
| n×5 | 64905360 |
Division
n÷y| n÷2 | 6490536 |
|---|---|
| n÷3 | 4327024 |
| n÷3 | 3245268 |
| n÷5 | 2596214.4 |
Exponentiation
ny| n2 | 168508230269184 |
|---|---|
| n3 | 2.1874174697169E+21 |
| n4 | 2.8395023668452E+28 |
| n5 | 3.6859784668188E+35 |
Nth Root
y√n| 2√n | 3602.925477997 |
|---|---|
| 3√n | 235.01929523173 |
| 4√n | 60.02437403253 |
| 5√n | 26.464403633178 |
Divisors of 12981072
80 divisors
| τ | Total Divisors | 80 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -12981071 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12981072 can be divided by 80 positive divisors. The sum of these divisors (counting 12981072) is 1, the average is 0.0125.
Base conversion 12981072
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110001100001001101010000 |
| 3 | Ternary | 220102111200110 |
| 4 | Quaternary | 301201031100 |
| 5 | Quinary | 11310343242 |
| 6 | Senary | 1142121320 |
| 8 | Octal | 61411520 |
| 10 | Decimal | 12981072 |
| 12 | Duodecimal | 4420240 |
| 16 | Hexadecimal | c61350 |
| 20 | Vigesimal | 412cdc |
| 36 | Base36 | 7q89c |
Cryptographic Hash Functions
| md5 | 42f1ced12340170f8a8988ad599612ba |
|---|---|
| sha1 | a20ed16890ed190fa38c6c5a7f4a0afa0b59dc81 |
| sha256 | 7d51256c5b3cfcda083856902019b6da015ca0ef62fd8e6a1fc5a01ad29c4d32 |
| sha512 | 77d8178453ba4d617fc8aaa241134244dc3a4aa2fca280b491c945d1146a8d94ef467da79f5b8110cadf9f87841985945e84580c319885ea97d5287d7b586a86 |
| ripemd-160 | 2fb50b9f0b78a892d37a750e3e91e45abf0da2dd |
12981072 as geometric shapes
Circle
Radius = n| Diameter | 25962144 |
|---|---|
| Circumference | 81562480.86184 |
| Area | 5.2938421828309E+14 |
Sphere
Radius = n| Volume | 9.1626328709286E+21 |
|---|---|
| Surface area | 2.1175368731323E+15 |
| Circumference | 81562480.86184 |
Square
Length = n| Perimeter | 51924288 |
|---|---|
| Area | 168508230269184 |
| Diagonal | 18358008.076542 |
Cube
Length = n| Surface area | 1011049381615104 |
|---|---|
| Volume | 2.1874174697169E+21 |
| Space diagonal | 22483876.24071 |
Equilateral Triangle
Length = n| Perimeter | 38943216 |
|---|---|
| Area | 72966204079936 |
| Altitude | 11241938.120355 |
Triangular Pyramid
Length = n| Surface area | 72966204079936 |
|---|---|
| Volume | 2.5778962102045E+20 |
| Height | 6119336.0255139 |