20046821 is an odd 8-digits composite number following 20046820
and preceding 20046822 . In scientific notation, it is written as 2.0046821 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 19975200 positive integers (up to 20046821) that are relatively prime to 20046821.
20046821 has 4 divisors, whose sum is 20118444
The reverse of 20046821 is 12864002
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million forty-six thousand eight hundred twenty-one
Scientific notation
2.0046821 × 10^7
Engineering notation
2.0046821 × 10^6
Prime Factorization
281 × 71341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20046821
Product of the distinct prime numbers
The prime factorization of 20046821 is 281 × 71341.
Since it has a total of 2 prime factors.
4 , 1 , 70 , 55 , 944 , 204 , 6420 , 8033 , 74241 , 57253 , 68724 , 33262 , 6247395 , 5755720 , 4121846 , 87741757 , 103706298 , 384961729 , 4313915959 , 3260195460
n×2
40093642
n×3
60140463
n×4
80187284
n×5
100234105
n÷2
10023410.5
n÷3
6682273.6666667
n÷3
5011705.25
n÷5
4009364.2
n2
401875032206041
n3
8.0563168350037E+21
n4
1.6150354151061E+29
n5
3.2376325875292E+36
2 √n
4477.3676418181
3 √n
271.65341615944
4 √n
66.913135047
5 √n
28.867495215562
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
-20046820
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 20046821 can be divided by 4 positive divisors.
The sum of these divisors (counting 20046821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011110001111100101
3
Ternary
1101201111001212
4
Quaternary
1030132033211
5
Quinary
20112444241
6
Senary
1553401205
8
Octal
114361745
10
Decimal
20046821
12
Duodecimal
6869205
16
Hexadecimal
131e3e5
20
Vigesimal
655h11
36
Base36
bxo85
md5
da5823b9d1d4ff55643f5f63e3cdcbd9
sha1
8d9e9138e35b214d427029fe73f2f347446ec421
sha256
98c8826b53bd9e89c8d9c1ad6c64afc1bf00d3804092fe35f7c4fb151ba68939
sha512
c29e1166e854dff0c8b04329cf71472056ed4f6dd129ccded525d4da410bef71275231adf2183df04a78c93bb3c678172dfa3d1e3df0e4ae3d1989a27a6b64da
ripemd-160
a85419ec4302abd9482510a615d9dc3c20525582
Diameter
40093642
Circumference
125957891.16286
Area
1.2625276488397E+15
Volume
3.3746221045119E+22
Surface area
5.0501105953586E+15
Circumference
125957891.16286
Perimeter
80187284
Area
401875032206041
Diagonal
28350486.140666
Surface area
2411250193236246
Volume
8.0563168350037E+21
Space diagonal
34722112.502239
Perimeter
60140463
Area
1.7401699351856E+14
Altitude
17361056.251119
Surface area
1.7401699351856E+14
Volume
9.4944604423641E+20
Height
9450162.0468886