20404749 is an odd 8-digits composite number following 20404748
and preceding 20404750 . In scientific notation, it is written as 2.0404749 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12891648 positive integers (up to 20404749) that are relatively prime to 20404749.
20404749 has 16 divisors, whose sum is 28651392
The reverse of 20404749 is 94740402
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred four thousand seven hundred forty-nine
Scientific notation
2.0404749 × 10^7
Engineering notation
2.0404749 × 10^6
Prime Factorization
3 × 113 × 23 × 2617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20404749
Product of the distinct prime numbers
The prime factorization of 20404749 is 3 × 113 × 23 × 2617.
Since it has a total of 4 prime factors.
6 , 2 , 93 , 63 , 9 , 37 , 4529 , 2048 , 26766 , 93075 , 94339 , 449790 , 2060741 , 4318022 , 695493 , 53101236 , 792907888 , 781202513 , 7061033091 , 1903163389
n×2
40809498
n×3
61214247
n×4
81618996
n×5
102023745
n÷2
10202374.5
n÷3
6801583
n÷3
5101187.25
n÷5
4080949.8
n2
416353781753001
n3
8.4955944118708E+21
n4
1.7335047158003E+29
n5
3.5371728616221E+36
2 √n
4517.1616087982
3 √n
273.26064280927
4 √n
67.209832679439
5 √n
28.969850323599
1 , 3 , 23 , 69 , 113 , 339 , 2599 , 2617 , 7797 , 7851 , 60191 , 180573 , 295721 , 887163 , 6801583 , 20404749
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20404748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20404749 can be divided by 16 positive divisors.
The sum of these divisors (counting 20404749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101101000001101
3
Ternary
1102101200001110
4
Quaternary
1031311220031
5
Quinary
20210422444
6
Senary
2005202233
8
Octal
115655015
10
Decimal
20404749
12
Duodecimal
6a00379
16
Hexadecimal
1375a0d
20
Vigesimal
67abh9
36
Base36
c5cel
md5
952646e529dd93c23158b2933c6adce7
sha1
f51f3968ced492d7c95625b5c061c97991d63c42
sha256
a96348210a1ab9a12ba4fd2ddec4499c320f426f470b6b3368d7be1ee5ec14da
sha512
c871ffe55c69bf4edd1ee48ff9d29ae9930ed872297045c2bc14a142f5596d0fec51c4eceff6b348d7915fd229b0bff0d477a94b21a45345257daafde5f628d2
ripemd-160
7ad81410c1b20a6bdee97cc186f78557d5a93c9c
Diameter
40809498
Circumference
128206819.11349
Area
1.3080139820496E+15
Volume
3.5586262656282E+22
Surface area
5.2320559281982E+15
Circumference
128206819.11349
Perimeter
81618996
Area
416353781753001
Diagonal
28856672.772619
Surface area
2498122690518006
Volume
8.4955944118708E+21
Space diagonal
35342061.98369
Perimeter
61214247
Area
1.8028647597991E+14
Altitude
17671030.991845
Surface area
1.8028647597991E+14
Volume
1.0012154031407E+21
Height
9618890.9242063