20121744 (number)
20121744 is an even 8-digits composite number following 20121743 and preceding 20121745. In scientific notation, it is written as 2.0121744 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 6312448 positive integers (up to 20121744) that are relatively prime to 20121744.
Interesting facts
- 20121744 has 40 divisors, whose sum is 55041120
- The reverse of 20121744 is 44712102
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty million one hundred twenty-one thousand seven hundred forty-four |
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Notation
Scientific notation | 2.0121744 × 10^7 |
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Engineering notation | 2.0121744 × 10^6 |
Prime Factorization of 20121744
Prime Factorization 2 × 2 × 2 × 2 × 3 × 17 × 24659
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2515218 | Product of the distinct prime numbers |
The prime factorization of 20121744 is 2 × 2 × 2 × 2 × 3 × 17 × 24659. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121744)
Multiplication
n×yn×2 | 40243488 |
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n×3 | 60365232 |
n×4 | 80486976 |
n×5 | 100608720 |
Division
n÷yn÷2 | 10060872 |
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n÷3 | 6707248 |
n÷3 | 5030436 |
n÷5 | 4024348.8 |
Exponentiation
nyn2 | 404884581601536 |
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n3 | 8.1469839005332E+21 |
n4 | 1.6393152441865E+29 |
n5 | 3.2985881678818E+36 |
Nth Root
y√n2√n | 4485.7266969801 |
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3√n | 271.99142129806 |
4√n | 66.975567910844 |
5√n | 28.889040908188 |
Divisors of 20121744
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 | -20121743 | 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 20121744 can be divided by 40 positive divisors. The sum of these divisors (counting 20121744) is 1, the average is 0.025.
Base conversion 20121744
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000100010010000 |
3 | Ternary | 1101212021211210 |
4 | Quaternary | 1030300202100 |
5 | Quinary | 20122343434 |
6 | Senary | 1555140120 |
8 | Octal | 114604220 |
10 | Decimal | 20121744 |
12 | Duodecimal | 68a4640 |
16 | Hexadecimal | 1330890 |
20 | Vigesimal | 65f474 |
36 | Base36 | bza1c |
Cryptographic Hash Functions
md5 | ff04113cc4ff74e181892deffc720e82 |
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sha1 | 9c8d1834c1a73c4d181e9b13a734d3825597a7fe |
sha256 | ba7c4259dbcd84b81bf7329c7bf6c5ccba29b3080f2080082f5e898e5778daf6 |
sha512 | bb06d1f36770a48ecac55019f429e413790c1b300a11c36d644838e40529445453894065597fdff4826e053609534c2b9362d664a5b3c7f2d07fa380d285aa41 |
ripemd-160 | 3a69d6e5d796a72b611df8594e6f6a45f037b884 |
20121744 as geometric shapes
Circle
Radius = nDiameter | 40243488 |
---|---|
Circumference | 126428646.25563 |
Area | 1.2719824271112E+15 |
Sphere
Radius = nVolume | 3.4126006361106E+22 |
---|---|
Surface area | 5.0879297084446E+15 |
Circumference | 126428646.25563 |
Square
Length = nPerimeter | 80486976 |
---|---|
Area | 404884581601536 |
Diagonal | 28456443.263399 |
Cube
Length = nSurface area | 2429307489609216 |
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Volume | 8.1469839005332E+21 |
Space diagonal | 34851882.944894 |
Equilateral Triangle
Length = nPerimeter | 60365232 |
---|---|
Area | 1.7532016663378E+14 |
Altitude | 17425941.472447 |
Triangular Pyramid
Length = nSurface area | 1.7532016663378E+14 |
---|---|
Volume | 9.6013126038078E+20 |
Height | 9485481.0877998 |