21369969 is an odd 8-digits composite number following 21369968
and preceding 21369970 . In scientific notation, it is written as 2.1369969 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 13321728 positive integers (up to 21369969) that are relatively prime to 21369969.
21369969 has 24 divisors, whose sum is 32895720
The reverse of 21369969 is 96996312
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million three hundred sixty-nine thousand nine hundred sixty-nine
Scientific notation
2.1369969 × 10^7
Engineering notation
2.1369969 × 10^6
Prime Factorization
3 × 3 × 17 × 197 × 709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7123323
Product of the distinct prime numbers
The prime factorization of 21369969 is 3 × 3 × 17 × 197 × 709.
Since it has a total of 5 prime factors.
4 , 9 , 19 , 1 , 354 , 736 , 4501 , 1369 , 99250 , 55471 , 625492 , 181720 , 6940107 , 3436385 , 7319089 , 8036762 , 569434632 , 564588224 , 1593280195 , 6011275609
n×2
42739938
n×3
64109907
n×4
85479876
n×5
106849845
n÷2
10684984.5
n÷3
7123323
n÷3
5342492.25
n÷5
4273993.8
n2
456675575060961
n3
9.7591428821099E+21
n4
2.0855258085726E+29
n5
4.4567621877896E+36
2 √n
4622.7663795611
3 √n
277.50317990025
4 √n
67.99092865641
5 √n
29.238883066519
1 , 3 , 9 , 17 , 51 , 153 , 197 , 591 , 709 , 1773 , 2127 , 3349 , 6381 , 10047 , 12053 , 30141 , 36159 , 108477 , 139673 , 419019 , 1257057 , 2374441 , 7123323 , 21369969
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21369968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21369969 can be divided by 24 positive divisors.
The sum of these divisors (counting 21369969) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100001010001110001
3
Ternary
1111012201002100
4
Quaternary
1101201101301
5
Quinary
20432314334
6
Senary
2042011013
8
Octal
121412161
10
Decimal
21369969
12
Duodecimal
71a6a69
16
Hexadecimal
1461471
20
Vigesimal
6db4i9
36
Base36
cq169
md5
3440aa3d002d042190b0c4396cd868e1
sha1
9f9b53539a19fc1e9c58c8560e134a89c9ea093a
sha256
89b3826f84a766e7022a5b0e0d4787e929391d5a69f41cc24278978157c7c872
sha512
c9aca9d7e56ad0093a020df4562af4357bc70ffeadce1f96d0fc86e594c075013e1f8882f8d10f69975de1788fae25b4747a8e32e15f7661659d615b92cd8dcc
ripemd-160
2a45309b7cecd530db7ab13915a1b69cc80c6367
Diameter
42739938
Circumference
134271475.23568
Area
1.4346886316854E+15
Volume
4.0879002111693E+22
Surface area
5.7387545267416E+15
Circumference
134271475.23568
Perimeter
85479876
Area
456675575060961
Diagonal
30221699.987293
Surface area
2740053450365766
Volume
9.7591428821099E+21
Space diagonal
37013872.064172
Perimeter
64109907
Area
1.9774632464533E+14
Altitude
18506936.032086
Surface area
1.9774632464533E+14
Volume
1.1501260184181E+21
Height
10073899.995764