20839949 is an odd 8-digits composite number following 20839948
and preceding 20839950 . In scientific notation, it is written as 2.0839949 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 19236864 positive integers (up to 20839949) that are relatively prime to 20839949.
20839949 has 4 divisors, whose sum is 22443036
The reverse of 20839949 is 94993802
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million eight hundred thirty-nine thousand nine hundred forty-nine
Scientific notation
2.0839949 × 10^7
Engineering notation
2.0839949 × 10^6
Prime Factorization
13 × 1603073
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20839949
Product of the distinct prime numbers
The prime factorization of 20839949 is 13 × 1603073.
Since it has a total of 2 prime factors.
9 , 8 , 80 , 83 , 455 , 719 , 7013 , 7138 , 38077 , 37262 , 584013 , 352117 , 1201116 , 6524803 , 50394811 , 80497541 , 850951930 , 4868576 , 3359213527 , 3296463668
n×2
41679898
n×3
62519847
n×4
83359796
n×5
104199745
n÷2
10419974.5
n÷3
6946649.6666667
n÷3
5209987.25
n÷5
4167989.8
n2
434303474322601
n3
9.0508622554058E+21
n4
1.8861950780868E+29
n5
3.930820923138E+36
2 √n
4565.0792983255
3 √n
275.18972692548
4 √n
67.565370555674
5 √n
29.092385274704
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
-20839948
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 20839949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20839949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011111111000001101
3
Ternary
1110012210000222
4
Quaternary
1033133320031
5
Quinary
20313334244
6
Senary
2022401125
8
Octal
117377015
10
Decimal
20839949
12
Duodecimal
6b901a5
16
Hexadecimal
13dfe0d
20
Vigesimal
6a4jh9
36
Base36
ceo7h
md5
981a4e4fbb0d80215ae4398cbb168864
sha1
a91c0f6c471263d632aa1b8682e4e9225cb8cada
sha256
661e0d7ea3ba6aeec977f479da4d6c794b3018251d70a7ac79494479f877dea2
sha512
88eef6af34bd43e8376c0ba2989a7aa37b0a2e7171ca0b4730b20a44db1c9b6019317a7b6d980362ec8ccfe2ace3ecb6f682b4de45e0e6510b2f9cc3bdcfd754
ripemd-160
aa1965e8bf1e451b83958378af2a0a366fdd8cf3
Diameter
41679898
Circumference
130941261.35917
Area
1.3644046043604E+15
Volume
3.7912163160315E+22
Surface area
5.4576184174416E+15
Circumference
130941261.35917
Perimeter
83359796
Area
434303474322601
Diagonal
29472138.514964
Surface area
2605820845935606
Volume
9.0508622554058E+21
Space diagonal
36095850.495144
Perimeter
62519847
Area
1.8805892085761E+14
Altitude
18047925.247572
Surface area
1.8805892085761E+14
Volume
1.0666543460638E+21
Height
9824046.1716545