20782949 is an odd 8-digits composite number following 20782948
and preceding 20782950 . In scientific notation, it is written as 2.0782949 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 18893580 positive integers (up to 20782949) that are relatively prime to 20782949.
20782949 has 4 divisors, whose sum is 22672320
The reverse of 20782949 is 94928702
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million seven hundred eighty-two thousand nine hundred forty-nine
Scientific notation
2.0782949 × 10^7
Engineering notation
2.0782949 × 10^6
Prime Factorization
11 × 1889359
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20782949
Product of the distinct prime numbers
The prime factorization of 20782949 is 11 × 1889359.
Since it has a total of 2 prime factors.
7 , 1 , 54 , 17 , 614 , 186 , 9994 , 3427 , 82884 , 99652 , 31005 , 861807 , 9262839 , 7973475 , 84891688 , 93994740 , 162599023 , 634452051 , 8270730178 , 4895995445
n×2
41565898
n×3
62348847
n×4
83131796
n×5
103914745
n÷2
10391474.5
n÷3
6927649.6666667
n÷3
5195737.25
n÷5
4156589.8
n2
431930969136601
n3
8.9767993030866E+21
n4
1.8656436209928E+29
n5
3.8773576227269E+36
2 √n
4558.8319776013
3 √n
274.93860447589
4 √n
67.519123051187
5 √n
29.076453535391
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
-20782948
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 20782949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20782949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010001111101100101
3
Ternary
1110002212211212
4
Quaternary
1033101331211
5
Quinary
20310023244
6
Senary
2021241205
8
Octal
117217545
10
Decimal
20782949
12
Duodecimal
6b63205
16
Hexadecimal
13d1f65
20
Vigesimal
69hh79
36
Base36
cdg85
md5
7dc496b06b2e7306ea5d811692f7f2ad
sha1
dc2d025a91cdaf21a087fe8798711bcaf74e5794
sha256
d2fd62441cc5122fcaa0dae969d0e9e82e132d65f4e72868b5589a2ae1a337cd
sha512
4724213ce00426484cc57012474381dbb4e718d7695ad6fa6717173b76f49abe99cfa04a6d3e9fad766c3983bc01d5326677c935274d293a10b3c6e9502989a2
ripemd-160
b4155e32b754f3d936e9b70f7a4cb1c8cadb868f
Diameter
41565898
Circumference
130583119.79666
Area
1.3569511594975E+15
Volume
3.7601928991102E+22
Surface area
5.4278046379899E+15
Circumference
130583119.79666
Perimeter
83131796
Area
431930969136601
Diagonal
29391528.341908
Surface area
2591585814819606
Volume
8.9767993030866E+21
Space diagonal
35997123.599113
Perimeter
62348847
Area
1.8703159597676E+14
Altitude
17998561.799556
Surface area
1.8703159597676E+14
Volume
1.0579259434272E+21
Height
9797176.1139695