21979969 is an odd 8-digits composite number following 21979968
and preceding 21979970 . In scientific notation, it is written as 2.1979969 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 19803840 positive integers (up to 21979969) that are relatively prime to 21979969.
21979969 has 8 divisors, whose sum is 24191712
The reverse of 21979969 is 96997912
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-one million nine hundred seventy-nine thousand nine hundred sixty-nine
Scientific notation
2.1979969 × 10^7
Engineering notation
2.1979969 × 10^6
Prime Factorization
11 × 113 × 17683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21979969
Product of the distinct prime numbers
The prime factorization of 21979969 is 11 × 113 × 17683.
Since it has a total of 3 prime factors.
5 , 1 , 67 , 48 , 764 , 669 , 3573 , 9969 , 91548 , 65760 , 406718 , 548402 , 1462856 , 846731 , 83367301 , 75227598 , 685483666 , 675968443 , 132939185 , 4046644150
n×2
43959938
n×3
65939907
n×4
87919876
n×5
109899845
n÷2
10989984.5
n÷3
7326656.3333333
n÷3
5494992.25
n÷5
4395993.8
n2
483119037240961
n3
1.0618941461866E+22
n4
2.3340400414463E+29
n5
5.1302127755749E+36
2 √n
4688.279961777
3 √n
280.11886534857
4 √n
68.471015486679
5 √n
29.403932365035
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21979968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21979969 can be divided by 8 positive divisors.
The sum of these divisors (counting 21979969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011110110001101000001
3
Ternary
1112100200211221
4
Quaternary
1103312031001
5
Quinary
21111324334
6
Senary
2103035041
8
Octal
123661501
10
Decimal
21979969
12
Duodecimal
743ba81
16
Hexadecimal
14f6341
20
Vigesimal
6h79i9
36
Base36
d33up
md5
58e178ba6e1874a3b8fa505150fb7f9e
sha1
4655c10922fe7cd8b3ec91bd95ca623bea55902b
sha256
d7e4a2da737921554138cd562b8e7a3868d3e00b6a9c35912305de8ec4af95fd
sha512
b9ccb0f54fe11398bf4a83adee223996ee23854725968d0b75e81fb89d06efd3efba4c727422455be6bdc21daefe5c5e1c8ef02a109059cc635da20f7f517ee5
ripemd-160
d333adaf376dd321c86723c4527d848c5b72596d
Diameter
43959938
Circumference
138104218.27306
Area
1.5177632182056E+15
Volume
4.4480517980665E+22
Surface area
6.0710528728223E+15
Circumference
138104218.27306
Perimeter
87919876
Area
483119037240961
Diagonal
31084370.26034
Surface area
2898714223445766
Volume
1.0618941461866E+22
Space diagonal
38070423.056789
Perimeter
65939907
Area
2.0919667965128E+14
Altitude
19035211.528394
Surface area
2.0919667965128E+14
Volume
1.2514542527848E+21
Height
10361456.753447