21379551 is an odd 8-digits composite number following 21379550
and preceding 21379552 . In scientific notation, it is written as 2.1379551 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 14253032 positive integers (up to 21379551) that are relatively prime to 21379551.
21379551 has 4 divisors, whose sum is 28506072
The reverse of 21379551 is 15597312
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred seventy-nine thousand five hundred fifty-one
Scientific notation
2.1379551 × 10^7
Engineering notation
2.1379551 × 10^6
Prime Factorization
3 × 7126517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21379551
Product of the distinct prime numbers
The prime factorization of 21379551 is 3 × 7126517.
Since it has a total of 2 prime factors.
1 , 6 , 94 , 35 , 147 , 876 , 7216 , 4931 , 30545 , 1308 , 450278 , 477459 , 5109946 , 1191359 , 44011515 , 62235570 , 235888311 , 460309075 , 8166545024 , 6162504755
n×2
42759102
n×3
64138653
n×4
85518204
n×5
106897755
n÷2
10689775.5
n÷3
7126517
n÷3
5344887.75
n÷5
4275910.2
n2
457085200961601
n3
9.7722763653038E+21
n4
2.0892688093811E+29
n5
4.4667629062872E+36
2 √n
4623.8026558235
3 √n
277.54464990494
4 √n
67.998548924396
5 √n
29.241504658921
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
-21379550
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 21379551 can be divided by 4 positive divisors.
The sum of these divisors (counting 21379551) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100011100111011111
3
Ternary
1111020012020020
4
Quaternary
1101203213133
5
Quinary
20433121201
6
Senary
2042123223
8
Octal
121434737
10
Decimal
21379551
12
Duodecimal
71b0513
16
Hexadecimal
14639df
20
Vigesimal
6dc8hb
36
Base36
cq8kf
md5
c2d126249e62acc23c12989263284b85
sha1
e2db847d86906e4fd6d0672611c44b68f1344d5a
sha256
7e3469708af2bc40375ae589cb128f9420651f906133387c303d9ffde58f66f8
sha512
335600de8e9d4d9b7046056a8d198e8c9d91293e2f732ddd9cdfe189cf47d183612655a0610ae04d7ae0bb758ace7a19999ca8597b3ce29834c07503f0a91384
ripemd-160
bc46cae577fca449ee1053893fa39fd8a872f546
Diameter
42759102
Circumference
134331680.7173
Area
1.4359755094056E+15
Volume
4.093401551745E+22
Surface area
5.7439020376223E+15
Circumference
134331680.7173
Perimeter
85518204
Area
457085200961601
Diagonal
30235250.981647
Surface area
2742511205769606
Volume
9.7722763653038E+21
Space diagonal
37030468.57501
Perimeter
64138653
Area
1.9792369786333E+14
Altitude
18515234.287505
Surface area
1.9792369786333E+14
Volume
1.1516738142559E+21
Height
10078416.993882