20121708 (number)
20121708 is an even 8-digits composite number following 20121707 and preceding 20121709. In scientific notation, it is written as 2.0121708 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 6371904 positive integers (up to 20121708) that are relatively prime to 20121708.
Interesting facts
- 20121708 has 48 divisors, whose sum is 49351680
- The reverse of 20121708 is 80712102
- Previous prime number is 29
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 eight |
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Notation
Scientific notation | 2.0121708 × 10^7 |
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Engineering notation | 2.0121708 × 10^6 |
Prime Factorization of 20121708
Prime Factorization 2 × 2 × 3 × 67 × 29 × 863
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10060854 | Product of the distinct prime numbers |
The prime factorization of 20121708 is 2 × 2 × 3 × 67 × 29 × 863. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121708)
Multiplication
n×yn×2 | 40243416 |
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n×3 | 60365124 |
n×4 | 80486832 |
n×5 | 100608540 |
Division
n÷yn÷2 | 10060854 |
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n÷3 | 6707236 |
n÷3 | 5030427 |
n÷5 | 4024341.6 |
Exponentiation
nyn2 | 404883132837264 |
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n3 | 8.1469401730766E+21 |
n4 | 1.6393035125612E+29 |
n5 | 3.298558660313E+36 |
Nth Root
y√n2√n | 4485.7226842506 |
---|---|
3√n | 271.9912590905 |
4√n | 66.975537954171 |
5√n | 28.88903057105 |
Divisors of 20121708
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 | -20121707 | 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 20121708 can be divided by 48 positive divisors. The sum of these divisors (counting 20121708) is 1, the average is 0.020833333333333.
Base conversion 20121708
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000100001101100 |
3 | Ternary | 1101212021210110 |
4 | Quaternary | 1030300201230 |
5 | Quinary | 20122343313 |
6 | Senary | 1555140020 |
8 | Octal | 114604154 |
10 | Decimal | 20121708 |
12 | Duodecimal | 68a4610 |
16 | Hexadecimal | 133086c |
20 | Vigesimal | 65f458 |
36 | Base36 | bza0c |
Cryptographic Hash Functions
md5 | 7ace4481784c8f940034155e8c5f09b8 |
---|---|
sha1 | 129c5ecef0d2b677fa33b5aff265d35564ed0738 |
sha256 | edfc0d3f811011a8492d2537ecfbb3def56768861d07f66a840b54c3b41a3d01 |
sha512 | 31db4cc00b840bc8a10d0b5b487b0442ea641f219517b3f8e89ca3cab6f6fd257d5d8e1d00628e7095a2f374bf6fbac531349bf97f09224d8d2d6b9b4056df78 |
ripemd-160 | 0aaa6e4414e0ca2f6a3062f4a37cd6c0e7a75a37 |
20121708 as geometric shapes
Circle
Radius = nDiameter | 40243416 |
---|---|
Circumference | 126428420.06096 |
Area | 1.271977875684E+15 |
Sphere
Radius = nVolume | 3.4125823195964E+22 |
---|---|
Surface area | 5.0879115027359E+15 |
Circumference | 126428420.06096 |
Square
Length = nPerimeter | 80486832 |
---|---|
Area | 404883132837264 |
Diagonal | 28456392.351711 |
Cube
Length = nSurface area | 2429298797023584 |
---|---|
Volume | 8.1469401730766E+21 |
Space diagonal | 34851820.591065 |
Equilateral Triangle
Length = nPerimeter | 60365124 |
---|---|
Area | 1.7531953930045E+14 |
Altitude | 17425910.295533 |
Triangular Pyramid
Length = nSurface area | 1.7531953930045E+14 |
---|---|
Volume | 9.601261070506E+20 |
Height | 9485464.1172371 |