20809740 (number)
20809740 is an even 8-digits composite number following 20809739 and preceding 20809741. In scientific notation, it is written as 2.0809740 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 4756416 positive integers (up to 20809740) that are relatively prime to 20809740.
Interesting facts
- 20809740 has 48 divisors, whose sum is 66592512
- The reverse of 20809740 is 04790802
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | twenty million eight hundred nine thousand seven hundred forty |
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Notation
Scientific notation | 2.0809740 × 10^7 |
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Engineering notation | 2.0809740 × 10^6 |
Prime Factorization of 20809740
Prime Factorization 2 × 2 × 3 × 5 × 7 × 49547
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10404870 | Product of the distinct prime numbers |
The prime factorization of 20809740 is 2 × 2 × 3 × 5 × 7 × 49547. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20809740)
Multiplication
n×yn×2 | 41619480 |
---|---|
n×3 | 62429220 |
n×4 | 83238960 |
n×5 | 104048700 |
Division
n÷yn÷2 | 10404870 |
---|---|
n÷3 | 6936580 |
n÷3 | 5202435 |
n÷5 | 4161948 |
Exponentiation
nyn2 | 433045278867600 |
---|---|
n3 | 9.0115596614623E+21 |
n4 | 1.8752821354952E+29 |
n5 | 3.9024133666299E+36 |
Nth Root
y√n2√n | 4561.7693935577 |
---|---|
3√n | 275.05669354551 |
4√n | 67.540872022485 |
5√n | 29.083946080405 |
Divisors of 20809740
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 | -20809739 | 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 20809740 can be divided by 48 positive divisors. The sum of these divisors (counting 20809740) is 1, the average is 0.020833333333333.
Base conversion 20809740
Base | System | Value |
---|---|---|
2 | Binary | 1001111011000100000001100 |
3 | Ternary | 1110011020121010 |
4 | Quaternary | 1033120200030 |
5 | Quinary | 20311402430 |
6 | Senary | 2022005220 |
8 | Octal | 117304014 |
10 | Decimal | 20809740 |
12 | Duodecimal | 6b76810 |
16 | Hexadecimal | 13d880c |
20 | Vigesimal | 6a1470 |
36 | Base36 | ce0wc |
Cryptographic Hash Functions
md5 | 8637656de9f1cce2f0de6f64625515cb |
---|---|
sha1 | 83927cba1a26e25b29b1e0a8d9855081ceb5c46d |
sha256 | 40d9ee0845e24411898c710e6676fd3af126c4c34706df114a3e4b17a5505d85 |
sha512 | d3b6e7cb1d90c9da4994ce098461a1ad759b0e7f4a178343b3df71aeb4de5da2f746fa1afb0b41c5f820a1b83cde1bf061032ef8010caf893816c64fb77c718a |
ripemd-160 | eb300e241b4c9a6d50d4ae854f509b027ac5b015 |
20809740 as geometric shapes
Circle
Radius = nDiameter | 41619480 |
---|---|
Circumference | 130751452.61423 |
Area | 1.3604518667622E+15 |
Sphere
Radius = nVolume | 3.7747532839781E+22 |
---|---|
Surface area | 5.4418074670488E+15 |
Circumference | 130751452.61423 |
Square
Length = nPerimeter | 83238960 |
---|---|
Area | 433045278867600 |
Diagonal | 29429416.537458 |
Cube
Length = nSurface area | 2598271673205600 |
---|---|
Volume | 9.0115596614623E+21 |
Space diagonal | 36043526.972298 |
Equilateral Triangle
Length = nPerimeter | 62429220 |
---|---|
Area | 1.8751410624413E+14 |
Altitude | 18021763.486149 |
Triangular Pyramid
Length = nSurface area | 1.8751410624413E+14 |
---|---|
Volume | 1.0620224909479E+21 |
Height | 9809805.512486 |