21789968 (number)

21789968 is an even 8-digits composite number following 21789967 and preceding 21789969. In scientific notation, it is written as 2.1789968 × 10^7. The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors. There are 10876320 positive integers (up to 21789968) that are relatively prime to 21789968.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.1789968 × 10^7
Engineering notation 2.1789968 × 10^6

Prime Factorization of 21789968

Prime Factorization 2 × 2 × 2 × 2 × 1163 × 1171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2723746
Product of the distinct prime numbers

The prime factorization of 21789968 is 2 × 2 × 2 × 2 × 1163 × 1171. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21789968)

Multiplication

n×y
n×2 43579936
n×3 65369904
n×4 87159872
n×5 108949840

Division

n÷y
n÷2 10894984
n÷3 7263322.6666667
n÷3 5447492
n÷5 4357993.6

Exponentiation

ny
n2 474802705441024
n3 1.0345935757873E+22
n4 2.2543760909412E+29
n5 4.9122782881573E+36

Nth Root

y√n
2√n 4667.9725791825
3√n 279.30938645343
4√n 68.322562738692
5√n 29.352920511301

Divisors of 21789968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21789967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21789968 can be divided by 20 positive divisors. The sum of these divisors (counting 21789968) is 1, the average is 0.05.

Base conversion 21789968

Base System Value
2 Binary 1010011000111110100010000
3 Ternary 1112000001012212
4 Quaternary 1103013310100
5 Quinary 21034234333
6 Senary 2055011252
8 Octal 123076420
10 Decimal 21789968
12 Duodecimal 7369b28
16 Hexadecimal 14c7d10
20 Vigesimal 6g3ei8
36 Base36 cz18w

Cryptographic Hash Functions

md5 5a847fa38324a12a27c137c145cbf901
sha1 8ef16a18e87874f4a2ccc947720905cc0d1fc683
sha256 49474938524e84d2012b73bf2c9839e2c1cde996d3f4abe15dce2d9db89321bc
sha512 8564d007f43ae8856cc8185806712c77fca77a6a96e773dc5f1c0f4bfaf6adc737cd1a9a863a9ee2d7c246154dc321ab01e4f7c497cef9c389a5a8b9b4f2ddea
ripemd-160 f502a8cb9650362fa9043fd535bab34941c0fbdb

21789968 as geometric shapes

Circle

Radius = n
Diameter 43579936
Circumference 136910406.78151
Area 1.4916366913181E+15

Sphere

Radius = n
Volume 4.3336954361929E+22
Surface area 5.9665467652723E+15
Circumference 136910406.78151

Square

Length = n
Perimeter 87159872
Area 474802705441024
Diagonal 30815668.269276

Cube

Length = n
Surface area 2848816232646144
Volume 1.0345935757873E+22
Space diagonal 37741331.6713

Equilateral Triangle

Length = n
Perimeter 65369904
Area 2.0559560234875E+14
Altitude 18870665.83565

Triangular Pyramid

Length = n
Surface area 2.0559560234875E+14
Volume 1.2192802220188E+21
Height 10271889.423092