20121264 (number)
20121264 is an even 8-digits composite number following 20121263 and preceding 20121265. In scientific notation, it is written as 2.0121264 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 40 positive divisors. There are 6557760 positive integers (up to 20121264) that are relatively prime to 20121264.
Interesting facts
- 20121264 has 40 divisors, whose sum is 41330688
- The reverse of 20121264 is 46212102
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty million one hundred twenty-one thousand two hundred sixty-four |
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Notation
Scientific notation | 2.0121264 × 10^7 |
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Engineering notation | 2.0121264 × 10^6 |
Prime Factorization of 20121264
Prime Factorization 2 × 2 × 2 × 2 × 27 × 47 × 991
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2515158 | Product of the distinct prime numbers |
The prime factorization of 20121264 is 2 × 2 × 2 × 2 × 27 × 47 × 991. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121264)
Multiplication
n×yn×2 | 40242528 |
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n×3 | 60363792 |
n×4 | 80485056 |
n×5 | 100606320 |
Division
n÷yn÷2 | 10060632 |
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n÷3 | 6707088 |
n÷3 | 5030316 |
n÷5 | 4024252.8 |
Exponentiation
nyn2 | 404865264957696 |
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n3 | 8.1464008806437E+21 |
n4 | 1.6391588276927E+29 |
n5 | 3.2981947509934E+36 |
Nth Root
y√n2√n | 4485.6731936243 |
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3√n | 271.98925851469 |
4√n | 66.975168485225 |
5√n | 28.888903078465 |
Divisors of 20121264
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 | -20121263 | 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 20121264 can be divided by 40 positive divisors. The sum of these divisors (counting 20121264) is 1, the average is 0.025.
Base conversion 20121264
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000011010110000 |
3 | Ternary | 1101212021012000 |
4 | Quaternary | 1030300122300 |
5 | Quinary | 20122340024 |
6 | Senary | 1555134000 |
8 | Octal | 114603260 |
10 | Decimal | 20121264 |
12 | Duodecimal | 68a4300 |
16 | Hexadecimal | 13306b0 |
20 | Vigesimal | 65f334 |
36 | Base36 | bz9o0 |
Cryptographic Hash Functions
md5 | d81d38c7086745ad775849e49f5e63a3 |
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sha1 | 1d8c5f506774664bc6feff2bbb1073ddf8d9fafc |
sha256 | 7ad42c928685226d329cfcd2371793038040ccaca66e528e3839af63a1ff2e34 |
sha512 | 34f71a32becc3620338d2b25c1205ef993b3a3f6d423dd5f2b991b22863187843c263db313cfba027aa4991c371b5632a1ed25e0c65bdf5debcb48acd63d150a |
ripemd-160 | 5c3a9c2e381b36abdd4503f507b503200f1f3a5b |
20121264 as geometric shapes
Circle
Radius = nDiameter | 40242528 |
---|---|
Circumference | 126425630.32668 |
Area | 1.2719217420848E+15 |
Sphere
Radius = nVolume | 3.4123564213104E+22 |
---|---|
Surface area | 5.0876869683391E+15 |
Circumference | 126425630.32668 |
Square
Length = nPerimeter | 80485056 |
---|---|
Area | 404865264957696 |
Diagonal | 28455764.44089 |
Cube
Length = nSurface area | 2429191589746176 |
---|---|
Volume | 8.1464008806437E+21 |
Space diagonal | 34851051.560507 |
Equilateral Triangle
Length = nPerimeter | 60363792 |
---|---|
Area | 1.7531180228164E+14 |
Altitude | 17425525.780253 |
Triangular Pyramid
Length = nSurface area | 1.7531180228164E+14 |
---|---|
Volume | 9.6006255082788E+20 |
Height | 9485254.8136298 |