21939984 (number)

21939984 is an even 8-digits composite number following 21939983 and preceding 21939985. In scientific notation, it is written as 2.1939984 × 10^7. The sum of its digits is 45. It has a total of 10 prime factors and 120 positive divisors. There are 6298560 positive integers (up to 21939984) that are relatively prime to 21939984.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-nine thousand nine hundred eighty-four

Notation

Scientific notation 2.1939984 × 10^7
Engineering notation 2.1939984 × 10^6

Prime Factorization of 21939984

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 99 × 57 × 9 × 3

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 304722
Product of the distinct prime numbers

The prime factorization of 21939984 is 2 × 2 × 2 × 2 × 3 × 3 × 99 × 57 × 9 × 3. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21939984)

Multiplication

n×y
n×2 43879968
n×3 65819952
n×4 87759936
n×5 109699920

Division

n÷y
n÷2 10969992
n÷3 7313328
n÷3 5484996
n÷5 4387996.8

Exponentiation

ny
n2 481362897920256
n3 1.0561094278564E+22
n4 2.3171023949419E+29
n5 5.0837189471386E+36

Nth Root

y√n
2√n 4684.0136635155
3√n 279.94890224026
4√n 68.439854350484
5√n 29.393226501935

Divisors of 21939984

120 divisors

τ Total Divisors 120
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21939983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0083333333333333
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 120
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21939984 can be divided by 120 positive divisors. The sum of these divisors (counting 21939984) is 1, the average is 0.0083333333333333.

Base conversion 21939984

Base System Value
2 Binary 1010011101100011100010000
3 Ternary 1112021200000000
4 Quaternary 1103230130100
5 Quinary 21104034414
6 Senary 2102130000
8 Octal 123543420
10 Decimal 21939984
12 Duodecimal 7420900
16 Hexadecimal 14ec710
20 Vigesimal 6h29j4
36 Base36 d2900

Cryptographic Hash Functions

md5 4cef7eba54d79cc4501fd6cd62f07463
sha1 b5706b5dae0d5daf3adea22ec65c2ca4d6e61ee0
sha256 17b888c03fb436c84b5feb1e79fbd93ae3c8cd9d2ad2f4e3f77b33ee514df63b
sha512 99b341b5bc5772a8c72f43ee4e335e4aa06892c4cc458799d2ad3bc980e9222ca1f09c43b0b117cbf5948b29459077bc946f889ebb249c2c9c10e54df51f9052
ripemd-160 6f375ea956063353a1ba9ac2d3918c34829cc30c

21939984 as geometric shapes

Circle

Radius = n
Diameter 43879968
Circumference 137852985.10856
Area 1.512246143817E+15

Sphere

Radius = n
Volume 4.4238208265875E+22
Surface area 6.0489845752679E+15
Circumference 137852985.10856

Square

Length = n
Perimeter 87759936
Area 481362897920256
Diagonal 31027822.931049

Cube

Length = n
Surface area 2888177387521536
Volume 1.0561094278564E+22
Space diagonal 38001167.005248

Equilateral Triangle

Length = n
Perimeter 65819952
Area 2.0843624901912E+14
Altitude 19000583.502624

Triangular Pyramid

Length = n
Surface area 2.0843624901912E+14
Volume 1.2446368968538E+21
Height 10342607.643683