21551232 (number)
21551232 is an even 8-digits composite number following 21551231 and preceding 21551233. In scientific notation, it is written as 2.1551232 × 10^7. The sum of its digits is 21. It has a total of 9 prime factors and 32 positive divisors. There are 7183616 positive integers (up to 21551232) that are relatively prime to 21551232.
Interesting facts
- 21551232 has 32 divisors, whose sum is 57246480
- The reverse of 21551232 is 23215512
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty-one million five hundred fifty-one thousand two hundred thirty-two |
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Notation
Scientific notation | 2.1551232 × 10^7 |
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Engineering notation | 2.1551232 × 10^6 |
Prime Factorization of 21551232
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 56123
Composite numberω | Distinct Factors | 3 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 336738 | Product of the distinct prime numbers |
The prime factorization of 21551232 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 56123. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21551232)
Multiplication
n×yn×2 | 43102464 |
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n×3 | 64653696 |
n×4 | 86204928 |
n×5 | 107756160 |
Division
n÷yn÷2 | 10775616 |
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n÷3 | 7183744 |
n÷3 | 5387808 |
n÷5 | 4310246.4 |
Exponentiation
nyn2 | 464455600717824 |
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n3 | 1.0009590404769E+22 |
n4 | 2.1571900503815E+29 |
n5 | 4.6490103243864E+36 |
Nth Root
y√n2√n | 4642.3304492464 |
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3√n | 278.28557855764 |
4√n | 68.134649402829 |
5√n | 29.288317267867 |
Divisors of 21551232
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21551231 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21551232 can be divided by 32 positive divisors. The sum of these divisors (counting 21551232) is 1, the average is 0.03125.
Base conversion 21551232
Base | System | Value |
---|---|---|
2 | Binary | 1010010001101100010000000 |
3 | Ternary | 1111112220201210 |
4 | Quaternary | 1102031202000 |
5 | Quinary | 21004114412 |
6 | Senary | 2045530120 |
8 | Octal | 122154200 |
10 | Decimal | 21551232 |
12 | Duodecimal | 7273940 |
16 | Hexadecimal | 148d880 |
20 | Vigesimal | 6edi1c |
36 | Base36 | ctx1c |
Cryptographic Hash Functions
md5 | 65b8d0c7ffddd3b0c0f3461a3459113d |
---|---|
sha1 | 421bab5834bceb292819c851095cf119d567210e |
sha256 | 330e55fc2e9d9940dc1e01ea66386d2aebd2f3ae55a0fe9aacfccaf3a8999874 |
sha512 | e8916f06042edf2539abbfb826a8b332ad7f41f7878219f4b5829a07ac0f98be0bd44d76b664881063badd704497f22e7bf3360f339e08bc04caa0c2aa39e83d |
ripemd-160 | e07408be3d7a2b2e9d38563889054110558c5ab7 |
21551232 as geometric shapes
Circle
Radius = nDiameter | 43102464 |
---|---|
Circumference | 135410384.25402 |
Area | 1.4591303031338E+15 |
Sphere
Radius = nVolume | 4.1928074241421E+22 |
---|---|
Surface area | 5.836521212535E+15 |
Circumference | 135410384.25402 |
Square
Length = nPerimeter | 86204928 |
---|---|
Area | 464455600717824 |
Diagonal | 30478044.580249 |
Cube
Length = nSurface area | 2786733604306944 |
---|---|
Volume | 1.0009590404769E+22 |
Space diagonal | 37327828.789704 |
Equilateral Triangle
Length = nPerimeter | 64653696 |
---|---|
Area | 2.011151745758E+14 |
Altitude | 18663914.394852 |
Triangular Pyramid
Length = nSurface area | 2.011151745758E+14 |
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Volume | 1.1796415420187E+21 |
Height | 10159348.193416 |