21004920 (number)
21004920 is an even 8-digits composite number following 21004919 and preceding 21004921. In scientific notation, it is written as 2.1004920 × 10^7. The sum of its digits is 18. It has a total of 8 prime factors and 80 positive divisors. There are 5598720 positive integers (up to 21004920) that are relatively prime to 21004920.
Interesting facts
- 21004920 has 80 divisors, whose sum is 62784480
- The reverse of 21004920 is 02940012
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty-one million four thousand nine hundred twenty |
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Notation
Scientific notation | 2.1004920 × 10^7 |
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Engineering notation | 2.1004920 × 10^6 |
Prime Factorization of 21004920
Prime Factorization 2 × 2 × 2 × 9 × 3 × 15 × 3 × 2161
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1750410 | Product of the distinct prime numbers |
The prime factorization of 21004920 is 2 × 2 × 2 × 9 × 3 × 15 × 3 × 2161. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21004920)
Multiplication
n×yn×2 | 42009840 |
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n×3 | 63014760 |
n×4 | 84019680 |
n×5 | 105024600 |
Division
n÷yn÷2 | 10502460 |
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n÷3 | 7001640 |
n÷3 | 5251230 |
n÷5 | 4200984 |
Exponentiation
nyn2 | 441206664206400 |
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n3 | 9.2675106851223E+21 |
n4 | 1.9466332054014E+29 |
n5 | 4.08888747488E+36 |
Nth Root
y√n2√n | 4583.1124795274 |
---|---|
3√n | 275.91396183974 |
4√n | 67.698688905528 |
5√n | 29.138299731341 |
Divisors of 21004920
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21004919 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21004920 can be divided by 80 positive divisors. The sum of these divisors (counting 21004920) is 1, the average is 0.0125.
Base conversion 21004920
Base | System | Value |
---|---|---|
2 | Binary | 1010000001000001001111000 |
3 | Ternary | 1110112011100000 |
4 | Quaternary | 1100020021320 |
5 | Quinary | 20334124140 |
6 | Senary | 2030113000 |
8 | Octal | 120101170 |
10 | Decimal | 21004920 |
12 | Duodecimal | 704b760 |
16 | Hexadecimal | 1408278 |
20 | Vigesimal | 6b5c60 |
36 | Base36 | ci7i0 |
Cryptographic Hash Functions
md5 | 58687036a266a9c3b5aaa263bc52f9f2 |
---|---|
sha1 | 65059a84dbfc2a414aaeebb79d7144ddd57f53f8 |
sha256 | 64b74b2ee6efe85628432aa7b84f56db54cdbd7e59955465eddd5a68cc9bd22e |
sha512 | 6502339d740227f0dd4db8b3db65d6a1bb325c167d095b38be80504cbeef30e23cf6503e40bbb4ac7a757be48a181424814445027a64c7bfa07f3bf1b5b93f76 |
ripemd-160 | 7f8608b785baf3c7d946815450610511733fd602 |
21004920 as geometric shapes
Circle
Radius = nDiameter | 42009840 |
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Circumference | 131977804.72248 |
Area | 1.3860916149857E+15 |
Sphere
Radius = nVolume | 3.8819657980593E+22 |
---|---|
Surface area | 5.5443664599427E+15 |
Circumference | 131977804.72248 |
Square
Length = nPerimeter | 84019680 |
---|---|
Area | 441206664206400 |
Diagonal | 29705442.740562 |
Cube
Length = nSurface area | 2647239985238400 |
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Volume | 9.2675106851223E+21 |
Space diagonal | 36381588.64892 |
Equilateral Triangle
Length = nPerimeter | 63014760 |
---|---|
Area | 1.9104808976087E+14 |
Altitude | 18190794.32446 |
Triangular Pyramid
Length = nSurface area | 1.9104808976087E+14 |
---|---|
Volume | 1.0921866083615E+21 |
Height | 9901814.246854 |