21069969 is an odd 8-digits composite number following 21069968
and preceding 21069970 . In scientific notation, it is written as 2.1069969 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 14046644 positive integers (up to 21069969) that are relatively prime to 21069969.
21069969 has 4 divisors, whose sum is 28093296
The reverse of 21069969 is 96996012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million sixty-nine thousand nine hundred sixty-nine
Scientific notation
2.1069969 × 10^7
Engineering notation
2.1069969 × 10^6
Prime Factorization
3 × 7023323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21069969
Product of the distinct prime numbers
The prime factorization of 21069969 is 3 × 7023323.
Since it has a total of 2 prime factors.
1 , 5 , 84 , 92 , 856 , 578 , 9004 , 3237 , 98631 , 77981 , 166506 , 894712 , 3652606 , 9091686 , 69091404 , 88525168 , 398567038 , 638483369 , 3213353290 , 7309293320
n×2
42139938
n×3
63209907
n×4
84279876
n×5
105349845
n÷2
10534984.5
n÷3
7023323
n÷3
5267492.25
n÷5
4213993.8
n2
443943593660961
n3
9.353877756185E+21
n4
1.9708591435261E+29
n5
4.1525941057461E+36
2 √n
4590.2035902561
3 √n
276.19848933445
4 √n
67.751041248501
5 √n
29.156324781533
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21069968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21069969 can be divided by 4 positive divisors.
The sum of these divisors (counting 21069969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011000000010010001
3
Ternary
1110122110120020
4
Quaternary
1100120002101
5
Quinary
20343214334
6
Senary
2031334053
8
Octal
120300221
10
Decimal
21069969
12
Duodecimal
7081329
16
Hexadecimal
1418091
20
Vigesimal
6bdei9
36
Base36
cjlox
md5
5ee991f768e6f5ff5190fadc33eaf59e
sha1
7bc58b3dce632501794789092dc3672dfb1f11f8
sha256
48fdbaddc80891bdaced47c766a04f7ebb72bd996053dc16318e73c5d99f65e0
sha512
35707a5d233d0e35436d9b3882900b22cfcdd6ba395d98a45d1ef98b0a4f6fec204ecb4621647a4a9ca2afe7743ad9a34e3f82d18268b6efa7cc520fd35ff15b
ripemd-160
733c5e974aa5d46e975e0a75932189cab37affb6
Diameter
42139938
Circumference
132386519.64353
Area
1.3946899324535E+15
Volume
3.9181431521877E+22
Surface area
5.5787597298141E+15
Circumference
132386519.64353
Perimeter
84279876
Area
443943593660961
Diagonal
29797435.918581
Surface area
2663661561965766
Volume
9.353877756185E+21
Space diagonal
36494256.821901
Perimeter
63209907
Area
1.9223321497887E+14
Altitude
18247128.410951
Surface area
1.9223321497887E+14
Volume
1.1023650652981E+21
Height
9932478.6395269