21782238 (number)

21782238 is an even 8-digits composite number following 21782237 and preceding 21782239. In scientific notation, it is written as 2.1782238 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7229120 positive integers (up to 21782238) that are relatively prime to 21782238.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-two thousand two hundred thirty-eight

Notation

Scientific notation 2.1782238 × 10^7
Engineering notation 2.1782238 × 10^6

Prime Factorization of 21782238

Prime Factorization 2 × 3 × 233 × 15581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21782238
Product of the distinct prime numbers

The prime factorization of 21782238 is 2 × 3 × 233 × 15581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21782238)

Multiplication

n×y
n×2 43564476
n×3 65346714
n×4 87128952
n×5 108911190

Division

n÷y
n÷2 10891119
n÷3 7260746
n÷3 5445559.5
n÷5 4356447.6

Exponentiation

ny
n2 474465892288644
n3 1.0334928988714E+22
n4 2.2511788294526E+29
n5 4.9035713043698E+36

Nth Root

y√n
2√n 4667.1445231533
3√n 279.27635417428
4√n 68.316502568218
5√n 29.350837623623

Divisors of 21782238

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21782237
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21782238 can be divided by 16 positive divisors. The sum of these divisors (counting 21782238) is 1, the average is 0.0625.

Base conversion 21782238

Base System Value
2 Binary 1010011000101111011011110
3 Ternary 1111222122121120
4 Quaternary 1103011323132
5 Quinary 21034012423
6 Senary 2054511410
8 Octal 123057336
10 Decimal 21782238
12 Duodecimal 7365566
16 Hexadecimal 14c5ede
20 Vigesimal 6g2fbi
36 Base36 cyva6

Cryptographic Hash Functions

md5 6d4a5ccfb638d3370c0451e5dac05a50
sha1 e0bd6a3604a62fa3ed32fbdb2eb8c4586526c229
sha256 5b7cdf0ff546611cfd11eef0934e5e5387809e5474d9e303eacb23b104320bf3
sha512 c87a799aa70ac8a18df576021066ed3cb892e39c50a30577f305b8a795f3b61e0c03d9bddd1e7eafd1ed564c79a55952a8a50145bbbf1d42b6f5a9ea76514cec
ripemd-160 91ad65843a83d4900896243883c2d378ead529aa

21782238 as geometric shapes

Circle

Radius = n
Diameter 43564476
Circumference 136861837.75909
Area 1.4905785615929E+15

Sphere

Radius = n
Volume 4.3290849315086E+22
Surface area 5.9623142463717E+15
Circumference 136861837.75909

Square

Length = n
Perimeter 87128952
Area 474465892288644
Diagonal 30804736.398439

Cube

Length = n
Surface area 2846795353731864
Volume 1.0334928988714E+22
Space diagonal 37727942.918557

Equilateral Triangle

Length = n
Perimeter 65346714
Area 2.0544975797561E+14
Altitude 18863971.459279

Triangular Pyramid

Length = n
Surface area 2.0544975797561E+14
Volume 1.2179830618335E+21
Height 10268245.466146