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.
21789968 has 20 divisors, whose sum is 42290448
The reverse of 21789968 is 86998712
Previous prime number is 1163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-one million seven hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
2.1789968 × 10^7
Engineering notation
2.1789968 × 10^6
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.
6 , 5 , 25 , 49 , 157 , 634 , 5066 , 8867 , 45811 , 23455 , 757165 , 359223 , 4014153 , 4946460 , 35409765 , 72168836 , 197590668 , 563540473 , 2235526251 , 9294793206
n×2
43579936
n×3
65369904
n×4
87159872
n×5
108949840
n÷2
10894984
n÷3
7263322.6666667
n÷3
5447492
n÷5
4357993.6
n2
474802705441024
n3
1.0345935757873E+22
n4
2.2543760909412E+29
n5
4.9122782881573E+36
2 √n
4667.9725791825
3 √n
279.30938645343
4 √n
68.322562738692
5 √n
29.352920511301
1 , 2 , 4 , 8 , 16 , 1163 , 1171 , 2326 , 2342 , 4652 , 4684 , 9304 , 9368 , 18608 , 18736 , 1361873 , 2723746 , 5447492 , 10894984 , 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
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
md5
5a847fa38324a12a27c137c145cbf901
sha1
8ef16a18e87874f4a2ccc947720905cc0d1fc683
sha256
49474938524e84d2012b73bf2c9839e2c1cde996d3f4abe15dce2d9db89321bc
sha512
8564d007f43ae8856cc8185806712c77fca77a6a96e773dc5f1c0f4bfaf6adc737cd1a9a863a9ee2d7c246154dc321ab01e4f7c497cef9c389a5a8b9b4f2ddea
ripemd-160
f502a8cb9650362fa9043fd535bab34941c0fbdb
Diameter
43579936
Circumference
136910406.78151
Area
1.4916366913181E+15
Volume
4.3336954361929E+22
Surface area
5.9665467652723E+15
Circumference
136910406.78151
Perimeter
87159872
Area
474802705441024
Diagonal
30815668.269276
Surface area
2848816232646144
Volume
1.0345935757873E+22
Space diagonal
37741331.6713
Perimeter
65369904
Area
2.0559560234875E+14
Altitude
18870665.83565
Surface area
2.0559560234875E+14
Volume
1.2192802220188E+21
Height
10271889.423092