21031884 (number)
21031884 is an even 8-digits composite number following 21031883 and preceding 21031885. In scientific notation, it is written as 2.1031884 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 6739200 positive integers (up to 21031884) that are relatively prime to 21031884.
Interesting facts
- 21031884 has 48 divisors, whose sum is 42517440
- The reverse of 21031884 is 48813012
- Previous prime number is 53
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million thirty-one thousand eight hundred eighty-four |
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Notation
Scientific notation | 2.1031884 × 10^7 |
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Engineering notation | 2.1031884 × 10^6 |
Prime Factorization of 21031884
Prime Factorization 2 × 2 × 9 × 151 × 53 × 73
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10515942 | Product of the distinct prime numbers |
The prime factorization of 21031884 is 2 × 2 × 9 × 151 × 53 × 73. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21031884)
Multiplication
n×yn×2 | 42063768 |
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n×3 | 63095652 |
n×4 | 84127536 |
n×5 | 105159420 |
Division
n÷yn÷2 | 10515942 |
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n÷3 | 7010628 |
n÷3 | 5257971 |
n÷5 | 4206376.8 |
Exponentiation
nyn2 | 442340144589456 |
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n3 | 9.3032466095487E+21 |
n4 | 1.9566480351542E+29 |
n5 | 4.1151994504191E+36 |
Nth Root
y√n2√n | 4586.0532050991 |
---|---|
3√n | 276.03197487147 |
4√n | 67.720404643646 |
5√n | 29.145776855662 |
Divisors of 21031884
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21031883 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21031884 can be divided by 48 positive divisors. The sum of these divisors (counting 21031884) is 1, the average is 0.020833333333333.
Base conversion 21031884
Base | System | Value |
---|---|---|
2 | Binary | 1010000001110101111001100 |
3 | Ternary | 1110120112022200 |
4 | Quaternary | 1100032233030 |
5 | Quinary | 20341010014 |
6 | Senary | 2030441500 |
8 | Octal | 120165714 |
10 | Decimal | 21031884 |
12 | Duodecimal | 7063290 |
16 | Hexadecimal | 140ebcc |
20 | Vigesimal | 6b8je4 |
36 | Base36 | cisb0 |
Cryptographic Hash Functions
md5 | b394a2fca978ea153a63739f39905db1 |
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sha1 | b850d9de5200e1b7ac93676e58602876ce45ab7e |
sha256 | 0de26f8ffe96bbff953b403a54cc79e0b5d0bef4372cb1e7b3568a63da729a95 |
sha512 | 322ca2482f52b21105e8a83185a4238ac0ef9688d2f4e48be5657ceaba7239c5ac920a3d2a2624ef32beede111e623fd4ef5365c0178de7c23edbcf646aafb9a |
ripemd-160 | b694b430448c479300b8170f815e75283e7f2c4b |
21031884 as geometric shapes
Circle
Radius = nDiameter | 42063768 |
---|---|
Circumference | 132147224.53111 |
Area | 1.3896525486301E+15 |
Sphere
Radius = nVolume | 3.896934827079E+22 |
---|---|
Surface area | 5.5586101945203E+15 |
Circumference | 132147224.53111 |
Square
Length = nPerimeter | 84127536 |
---|---|
Area | 442340144589456 |
Diagonal | 29743575.595058 |
Cube
Length = nSurface area | 2654040867536736 |
---|---|
Volume | 9.3032466095487E+21 |
Space diagonal | 36428291.666895 |
Equilateral Triangle
Length = nPerimeter | 63095652 |
---|---|
Area | 1.9153890116408E+14 |
Altitude | 18214145.833447 |
Triangular Pyramid
Length = nSurface area | 1.9153890116408E+14 |
---|---|
Volume | 1.0963981274438E+21 |
Height | 9914525.1983526 |