21247524 (number)
21247524 is an even 8-digits composite number following 21247523 and preceding 21247525. In scientific notation, it is written as 2.1247524 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors. There are 6739200 positive integers (up to 21247524) that are relatively prime to 21247524.
Interesting facts
- 21247524 has 72 divisors, whose sum is 56376320
- The reverse of 21247524 is 42574212
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million two hundred forty-seven thousand five hundred twenty-four |
---|
Notation
Scientific notation | 2.1247524 × 10^7 |
---|---|
Engineering notation | 2.1247524 × 10^6 |
Prime Factorization of 21247524
Prime Factorization 2 × 2 × 3 × 3 × 79 × 31 × 241
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 3541254 | Product of the distinct prime numbers |
The prime factorization of 21247524 is 2 × 2 × 3 × 3 × 79 × 31 × 241. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21247524)
Multiplication
n×yn×2 | 42495048 |
---|---|
n×3 | 63742572 |
n×4 | 84990096 |
n×5 | 106237620 |
Division
n÷yn÷2 | 10623762 |
---|---|
n÷3 | 7082508 |
n÷3 | 5311881 |
n÷5 | 4249504.8 |
Exponentiation
nyn2 | 451457276130576 |
---|---|
n3 | 9.592349309559E+21 |
n4 | 2.0381367217124E+29 |
n5 | 4.3305358909865E+36 |
Nth Root
y√n2√n | 4609.5036609162 |
---|---|
3√n | 276.97215462078 |
4√n | 67.89332559918 |
5√n | 29.205299594824 |
Divisors of 21247524
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21247523 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21247524 can be divided by 72 positive divisors. The sum of these divisors (counting 21247524) is 1, the average is 0.013888888888889.
Base conversion 21247524
Base | System | Value |
---|---|---|
2 | Binary | 1010001000011011000100100 |
3 | Ternary | 1110222111010100 |
4 | Quaternary | 1101003120210 |
5 | Quinary | 20414410044 |
6 | Senary | 2035224100 |
8 | Octal | 121033044 |
10 | Decimal | 21247524 |
12 | Duodecimal | 7148030 |
16 | Hexadecimal | 1443624 |
20 | Vigesimal | 6cfig4 |
36 | Base36 | cnep0 |
Cryptographic Hash Functions
md5 | 44d9440d306963c527c26f975bae9932 |
---|---|
sha1 | 079e4edfe9e14db029ab286b4de44798cf913b4a |
sha256 | e98cac38b34e85088bc85cd9c34e535387bc502be5644d956fde92379ad42c36 |
sha512 | 0f3a2b8a3e672fe4d4a42941248809a5e9a22a03248966cb063491f829f84a3eec265b37ab74e4928dfd93268738ae602aafd90c877446955a5ff671a3c387c9 |
ripemd-160 | 5d80c2776e1a5f5f1ba372224b391da51222a90b |
21247524 as geometric shapes
Circle
Radius = nDiameter | 42495048 |
---|---|
Circumference | 133502130.61075 |
Area | 1.4182948621015E+15 |
Sphere
Radius = nVolume | 4.018033882877E+22 |
---|---|
Surface area | 5.6731794484059E+15 |
Circumference | 133502130.61075 |
Square
Length = nPerimeter | 84990096 |
---|---|
Area | 451457276130576 |
Diagonal | 30048536.607648 |
Cube
Length = nSurface area | 2708743656783456 |
---|---|
Volume | 9.592349309559E+21 |
Space diagonal | 36801791.103039 |
Equilateral Triangle
Length = nPerimeter | 63742572 |
---|---|
Area | 1.954867349262E+14 |
Altitude | 18400895.55152 |
Triangular Pyramid
Length = nSurface area | 1.954867349262E+14 |
---|---|
Volume | 1.1304692073832E+21 |
Height | 10016178.869216 |