20689900 (number)
20689900 is an even 8-digits composite number following 20689899 and preceding 20689901. In scientific notation, it is written as 2.0689900 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 72 positive divisors. There are 6446400 positive integers (up to 20689900) that are relatively prime to 20689900.
Interesting facts
- 20689900 has 72 divisors, whose sum is 55996416
- The reverse of 20689900 is 00998602
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 34
- Digital Root 7
Name
Name | twenty million six hundred eighty-nine thousand nine hundred |
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Notation
Scientific notation | 2.0689900 × 10^7 |
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Engineering notation | 2.0689900 × 10^6 |
Prime Factorization of 20689900
Prime Factorization 2 × 2 × 5 × 5 × 7 × 11 × 2687
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2068990 | Product of the distinct prime numbers |
The prime factorization of 20689900 is 2 × 2 × 5 × 5 × 7 × 11 × 2687. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20689900)
Multiplication
n×yn×2 | 41379800 |
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n×3 | 62069700 |
n×4 | 82759600 |
n×5 | 103449500 |
Division
n÷yn÷2 | 10344950 |
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n÷3 | 6896633.3333333 |
n÷3 | 5172475 |
n÷5 | 4137980 |
Exponentiation
nyn2 | 428071962010000 |
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n3 | 8.8567660867907E+21 |
n4 | 1.8324560465909E+29 |
n5 | 3.7913332358361E+36 |
Nth Root
y√n2√n | 4548.6151738744 |
---|---|
3√n | 274.52767407008 |
4√n | 67.44342202079 |
5√n | 29.050370680177 |
Divisors of 20689900
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 | -20689899 | 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 20689900 can be divided by 72 positive divisors. The sum of these divisors (counting 20689900) is 1, the average is 0.013888888888889.
Base conversion 20689900
Base | System | Value |
---|---|---|
2 | Binary | 1001110111011001111101100 |
3 | Ternary | 1102221011012121 |
4 | Quaternary | 1032323033230 |
5 | Quinary | 20244034100 |
6 | Senary | 2015242324 |
8 | Octal | 116731754 |
10 | Decimal | 20689900 |
12 | Duodecimal | 6b193a4 |
16 | Hexadecimal | 13bb3ec |
20 | Vigesimal | 6964f0 |
36 | Base36 | cbgfg |
Cryptographic Hash Functions
md5 | 2055473810c0e98e07a5f1d29e3c4fb9 |
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sha1 | 3b3ab9aeef90550e52763e900e8d60a251c0501c |
sha256 | f08063f6ce68f4aecb4167387c8174f5d5377623d0d618ded57de5a663c5cb3b |
sha512 | 314301c8fb880f30ea6505e20b5aa0708c232f1412fa54728eac0b0a15cbf25ffce8a37292b2c0f190ae4206b0340c0bcf96c1e06b4f688b7e1d4f5631eb827e |
ripemd-160 | 726ae62bec7a9d0ba61b4e541935518737177345 |
20689900 as geometric shapes
Circle
Radius = nDiameter | 41379800 |
---|---|
Circumference | 129998475.68701 |
Area | 1.3448277310584E+15 |
Sphere
Radius = nVolume | 3.7099135030433E+22 |
---|---|
Surface area | 5.3793109242335E+15 |
Circumference | 129998475.68701 |
Square
Length = nPerimeter | 82759600 |
---|---|
Area | 428071962010000 |
Diagonal | 29259937.184143 |
Cube
Length = nSurface area | 2568431772060000 |
---|---|
Volume | 8.8567660867907E+21 |
Space diagonal | 35835958.003519 |
Equilateral Triangle
Length = nPerimeter | 62069700 |
---|---|
Area | 1.8536059687425E+14 |
Altitude | 17917979.00176 |
Triangular Pyramid
Length = nSurface area | 1.8536059687425E+14 |
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Volume | 1.0437798932255E+21 |
Height | 9753312.3947144 |