20951949 is an odd 8-digits composite number following 20951948
and preceding 20951950 . In scientific notation, it is written as 2.0951949 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13297536 positive integers (up to 20951949) that are relatively prime to 20951949.
20951949 has 8 divisors, whose sum is 27957600
The reverse of 20951949 is 94915902
Previous prime number is 2117
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred fifty-one thousand nine hundred forty-nine
Scientific notation
2.0951949 × 10^7
Engineering notation
2.0951949 × 10^6
Prime Factorization
3 × 2117 × 3299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20951949
Product of the distinct prime numbers
The prime factorization of 20951949 is 3 × 2117 × 3299.
Since it has a total of 3 prime factors.
9 , 4 , 40 , 50 , 332 , 721 , 8946 , 1167 , 89594 , 5989 , 758607 , 418446 , 6752906 , 5209628 , 94056612 , 68128062 , 675727198 , 311351509 , 753911975 , 7568712764
n×2
41903898
n×3
62855847
n×4
83807796
n×5
104759745
n÷2
10475974.5
n÷3
6983983
n÷3
5237987.25
n÷5
4190389.8
n2
438984166898601
n3
9.197573876667E+21
n4
1.9270709878766E+29
n5
4.037589305737E+36
2 √n
4577.3298985325
3 √n
275.68182984978
4 √n
67.655967205654
5 √n
29.123588471289
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
-20951948
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 20951949 can be divided by 8 positive divisors.
The sum of these divisors (counting 20951949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111011001110001101
3
Ternary
1110102110200010
4
Quaternary
1033323032031
5
Quinary
20330430244
6
Senary
2025023433
8
Octal
117731615
10
Decimal
20951949
12
Duodecimal
7024b79
16
Hexadecimal
13fb38d
20
Vigesimal
6aijh9
36
Base36
ch2ml
md5
0ed5e5b3d0e1e3417bada50ea4f98379
sha1
c171a470067072f6e1c575faa9cec884d36d79a8
sha256
edeb443463d0253f3ee2e0e49d4b2fd65ba89af75c8adf2878b25ad2dbe899be
sha512
4b7f86892b597ce594d60d030de4e909c33ec9273f131d19f26a31db741f7ff3d09007eb295bfcdcc9ff0afea5b48d8e3b09ea56eab951aa5b660a26ee36e09c
ripemd-160
8de92eb515b5806cd49a582351f9f85b679aed9b
Diameter
41903898
Circumference
131644978.11358
Area
1.3791094337709E+15
Volume
3.8526707362382E+22
Surface area
5.5164377350835E+15
Circumference
131644978.11358
Perimeter
83807796
Area
438984166898601
Diagonal
29630530.433949
Surface area
2633905001391606
Volume
9.197573876667E+21
Space diagonal
36289840.185592
Perimeter
62855847
Area
1.9008572019667E+14
Altitude
18144920.092796
Surface area
1.9008572019667E+14
Volume
1.0839444764426E+21
Height
9876843.4779831