21964 (number)

21964 is an even 5-digits composite number following 21963 and preceding 21965. In scientific notation, it is written as 2.1964 × 10^4. The sum of its digits is 22. It has a total of 5 prime factors and 18 positive divisors. There are 9792 positive integers (up to 21964) that are relatively prime to 21964.

Interesting facts

Basic properties

Name

Name twenty-one thousand nine hundred sixty-four

Notation

Scientific notation 2.1964 × 10^4
Engineering notation 2.1964 × 10^3

Prime Factorization of 21964

Prime Factorization 2 × 2 × 19 × 17 × 17

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 646
Product of the distinct prime numbers

The prime factorization of 21964 is 2 × 2 × 19 × 17 × 17. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 24, 54, 181, 848, 8198, 1381, 85069, 43631, 936588, 974301, 1390878, 1238463, 95666057, 90818299, 520887622, 299373924, 5680029949, 1585932779

Basic calculations (n = 21964)

Multiplication

n×y
n×2 43928
n×3 65892
n×4 87856
n×5 109820

Division

n÷y
n÷2 10982
n÷3 7321.3333333333
n÷3 5491
n÷5 4392.8

Exponentiation

ny
n2 482417296
n3 10595813489344
n4 232726447479951616
n5 5.1116036924497E+21

Nth Root

y√n
2√n 148.20256408038
3√n 28.005101111426
4√n 12.173847546293
5√n 7.3848603487284

Divisors of 21964

1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 1156, 1292, 5491, 10982, 21964

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21963
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21964 can be divided by 18 positive divisors. The sum of these divisors (counting 21964) is 1, the average is 0.055555555555556.

Base conversion 21964

Base System Value
2 Binary 101010111001100
3 Ternary 1010010111
4 Quaternary 11113030
5 Quinary 1200324
6 Senary 245404
8 Octal 52714
10 Decimal 21964
12 Duodecimal 10864
16 Hexadecimal 55cc
20 Vigesimal 2ei4
36 Base36 gy4

Cryptographic Hash Functions

md5 36e0c72e6254a2992a95c193194f52a5
sha1 6253662ac96b2ea9a4ca048bc3534a7b34b53c1b
sha256 f1e338f06cfe18dee0f45a9709253d803ed39bbc282d25b2c6a5d20a13b77448
sha512 536da4ce18e4bedbe74bb0fa16b14e8a8b1f176fd76cb594fdf6ca81146be523ebe84a2112046cfe1b1cd646e29b52ff95acae0cd98bb2e315a043c7a8b12902
ripemd-160 186078b965d9595f8a9062553557b0448ae19053

21964 as geometric shapes

Circle

Radius = n
Diameter 43928
Circumference 138003.88208689
Area 1515558633.0783

Sphere

Radius = n
Volume 44383639755908
Surface area 6062234532.313
Circumference 138003.88208689

Square

Length = n
Perimeter 87856
Area 482417296
Diagonal 31061.786683963

Cube

Length = n
Surface area 2894503776
Volume 10595813489344
Space diagonal 38042.763937443

Equilateral Triangle

Length = n
Perimeter 65892
Area 208892816.7805
Altitude 19021.381968721

Triangular Pyramid

Length = n
Surface area 208892816.7805
Volume 1248728595083.8
Height 10353.928894654