21376720 (number)
21376720 is an even 8-digits composite number following 21376719 and preceding 21376721. In scientific notation, it is written as 2.1376720 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 8499840 positive integers (up to 21376720) that are relatively prime to 21376720.
Interesting facts
- 21376720 has 40 divisors, whose sum is 49996800
- The reverse of 21376720 is 02767312
- Previous prime number is 191
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
| Name | twenty-one million three hundred seventy-six thousand seven hundred twenty |
|---|
Notation
| Scientific notation | 2.1376720 × 10^7 |
|---|---|
| Engineering notation | 2.1376720 × 10^6 |
Prime Factorization of 21376720
Prime Factorization 2 × 2 × 2 × 2 × 5 × 191 × 1399
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2672090 | Product of the distinct prime numbers |
The prime factorization of 21376720 is 2 × 2 × 2 × 2 × 5 × 191 × 1399. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21376720)
Multiplication
n×y| n×2 | 42753440 |
|---|---|
| n×3 | 64130160 |
| n×4 | 85506880 |
| n×5 | 106883600 |
Division
n÷y| n÷2 | 10688360 |
|---|---|
| n÷3 | 7125573.3333333 |
| n÷3 | 5344180 |
| n÷5 | 4275344 |
Exponentiation
ny| n2 | 456964157958400 |
|---|---|
| n3 | 9.7683948547125E+21 |
| n4 | 2.0881624165863E+29 |
| n5 | 4.4638063293889E+36 |
Nth Root
y√n| 2√n | 4623.4965123811 |
|---|---|
| 3√n | 277.53239889014 |
| 4√n | 67.996297784373 |
| 5√n | 29.240730207814 |
Divisors of 21376720
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 | -21376719 | 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 21376720 can be divided by 40 positive divisors. The sum of these divisors (counting 21376720) is 1, the average is 0.025.
Base conversion 21376720
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010001100010111011010000 |
| 3 | Ternary | 1111020001100101 |
| 4 | Quaternary | 1101202323100 |
| 5 | Quinary | 20433023340 |
| 6 | Senary | 2042102144 |
| 8 | Octal | 121427320 |
| 10 | Decimal | 21376720 |
| 12 | Duodecimal | 71aa954 |
| 16 | Hexadecimal | 1462ed0 |
| 20 | Vigesimal | 6dc1g0 |
| 36 | Base36 | cq6ds |
Cryptographic Hash Functions
| md5 | 9d91ee32ff3194ac05edfde5de67931d |
|---|---|
| sha1 | 92c3667d3c9553f25de54e11e27f5d597868432c |
| sha256 | ef254af29fd469b4fb436291e56f4dbf06519285b397b2e3060ac9c1807e41b2 |
| sha512 | 530cc8e4653c0135ec095b2577f1aa6c6c81155f3824dcf0db6dbc6e9fd39d603717d7f469075b79a7a1d746b873e9388ec6d1a4d6e71e637d1bc6ea5af2f7db |
| ripemd-160 | e05e7f79ba84bf75510d46192a084dc0296f9b2c |
21376720 as geometric shapes
Circle
Radius = n| Diameter | 42753440 |
|---|---|
| Circumference | 134313893.01969 |
| Area | 1.435595241596E+15 |
Sphere
Radius = n| Volume | 4.0917756683905E+22 |
|---|---|
| Surface area | 5.7423809663838E+15 |
| Circumference | 134313893.01969 |
Square
Length = n| Perimeter | 85506880 |
|---|---|
| Area | 456964157958400 |
| Diagonal | 30231247.343052 |
Cube
Length = n| Surface area | 2741784947750400 |
|---|---|
| Volume | 9.7683948547125E+21 |
| Space diagonal | 37025565.139174 |
Equilateral Triangle
Length = n| Perimeter | 64130160 |
|---|---|
| Area | 1.9787128470547E+14 |
| Altitude | 18512782.569587 |
Triangular Pyramid
Length = n| Surface area | 1.9787128470547E+14 |
|---|---|
| Volume | 1.1512163738458E+21 |
| Height | 10077082.447684 |