20921264 (number)
20921264 is an even 8-digits composite number following 20921263 and preceding 20921265. In scientific notation, it is written as 2.0921264 × 10^7. The sum of its digits is 26. It has a total of 7 prime factors and 40 positive divisors. There are 8275968 positive integers (up to 20921264) that are relatively prime to 20921264.
Interesting facts
- 20921264 has 40 divisors, whose sum is 49892640
- The reverse of 20921264 is 46212902
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 26
- Digital Root 8
Name
| Name | twenty million nine hundred twenty-one thousand two hundred sixty-four |
|---|
Notation
| Scientific notation | 2.0921264 × 10^7 |
|---|---|
| Engineering notation | 2.0921264 × 10^6 |
Prime Factorization of 20921264
Prime Factorization 2 × 2 × 2 × 2 × 7 × 13 × 14369
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2615158 | Product of the distinct prime numbers |
The prime factorization of 20921264 is 2 × 2 × 2 × 2 × 7 × 13 × 14369. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20921264)
Multiplication
n×y| n×2 | 41842528 |
|---|---|
| n×3 | 62763792 |
| n×4 | 83685056 |
| n×5 | 104606320 |
Division
n÷y| n÷2 | 10460632 |
|---|---|
| n÷3 | 6973754.6666667 |
| n÷3 | 5230316 |
| n÷5 | 4184252.8 |
Exponentiation
ny| n2 | 437699287357696 |
|---|---|
| n3 | 9.1572223434222E+21 |
| n4 | 1.9158066615343E+29 |
| n5 | 4.0081096938919E+36 |
Nth Root
y√n| 2√n | 4573.9768254769 |
|---|---|
| 3√n | 275.54718159699 |
| 4√n | 67.631182345697 |
| 5√n | 29.115052928442 |
Divisors of 20921264
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 | -20921263 | 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 20921264 can be divided by 40 positive divisors. The sum of these divisors (counting 20921264) is 1, the average is 0.025.
Base conversion 20921264
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001111110011101110110000 |
| 3 | Ternary | 1110100220120122 |
| 4 | Quaternary | 1033303232300 |
| 5 | Quinary | 20323440024 |
| 6 | Senary | 2024225412 |
| 8 | Octal | 117635660 |
| 10 | Decimal | 20921264 |
| 12 | Duodecimal | 700b268 |
| 16 | Hexadecimal | 13f3bb0 |
| 20 | Vigesimal | 6af334 |
| 36 | Base36 | cgey8 |
Cryptographic Hash Functions
| md5 | f0271399c8fc924d99193b75ddbc1abb |
|---|---|
| sha1 | fe7186d71543ff7bc4e2596ffd82817bd0e3c337 |
| sha256 | c5619f3fd243acf6adb89b1cc7d7eaf43339af6aa6e40b4d69f2e20692c794bc |
| sha512 | d44d9b53a6deb9045e86b5bf202b5ebdba14da7beb1583bd265715d0fc27049fd9cebd205c2591d50d8337f879b2ae7e90ff8e17ef614865b4d50dd8731c0c53 |
| ripemd-160 | 0a7c126027e02ce1554e46eb73c717cb09efb823 |
20921264 as geometric shapes
Circle
Radius = n| Diameter | 41842528 |
|---|---|
| Circumference | 131452178.57243 |
| Area | 1.3750728656444E+15 |
Sphere
Radius = n| Volume | 3.8357683255178E+22 |
|---|---|
| Surface area | 5.5002914625777E+15 |
| Circumference | 131452178.57243 |
Square
Length = n| Perimeter | 83685056 |
|---|---|
| Area | 437699287357696 |
| Diagonal | 29587135.290788 |
Cube
Length = n| Surface area | 2626195724146176 |
|---|---|
| Volume | 9.1572223434222E+21 |
| Space diagonal | 36236692.206562 |
Equilateral Triangle
Length = n| Perimeter | 62763792 |
|---|---|
| Area | 1.8952935103505E+14 |
| Altitude | 18118346.103281 |
Triangular Pyramid
Length = n| Surface area | 1.8952935103505E+14 |
|---|---|
| Volume | 1.0791890026445E+21 |
| Height | 9862378.4302627 |