20821606 is an even 8-digits composite number following 20821605
and preceding 20821607 . In scientific notation, it is written as 2.0821606 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 8999424 positive integers (up to 20821606) that are relatively prime to 20821606.
20821606 has 32 divisors, whose sum is 35814240
The reverse of 20821606 is 60612802
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred twenty-one thousand six hundred six
Scientific notation
2.0821606 × 10^7
Engineering notation
2.0821606 × 10^6
Prime Factorization
2 × 13 × 19 × 113 × 373
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20821606
Product of the distinct prime numbers
The prime factorization of 20821606 is 2 × 13 × 19 × 113 × 373.
Since it has a total of 5 prime factors.
7 , 8 , 48 , 64 , 690 , 772 , 9498 , 5156 , 9312 , 90321 , 964166 , 729775 , 6767977 , 501709 , 70756727 , 95308811 , 319771021 , 197967294 , 2159730998 , 6348714282
n×2
41643212
n×3
62464818
n×4
83286424
n×5
104108030
n÷2
10410803
n÷3
6940535.3333333
n÷3
5205401.5
n÷5
4164321.2
n2
433539276419236
n3
9.0269839991264E+21
n4
1.8795630419811E+29
n5
3.9135521112293E+36
2 √n
4563.0698000359
3 √n
275.10896398174
4 √n
67.550498147948
5 √n
29.087262137371
1 , 2 , 13 , 19 , 26 , 38 , 113 , 226 , 247 , 373 , 494 , 746 , 1469 , 2147 , 2938 , 4294 , 4849 , 7087 , 9698 , 14174 , 27911 , 42149 , 55822 , 84298 , 92131 , 184262 , 547937 , 800831 , 1095874 , 1601662 , 10410803 , 20821606
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20821605
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20821606 can be divided by 32 positive divisors.
The sum of these divisors (counting 20821606) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111011011011001100110
3
Ternary
1110011211212121
4
Quaternary
1033123121212
5
Quinary
20312242411
6
Senary
2022140154
8
Octal
117333146
10
Decimal
20821606
12
Duodecimal
6b8165a
16
Hexadecimal
13db666
20
Vigesimal
6a2e06
36
Base36
cea1y
md5
1315f85516b790a39c7767ce31ada001
sha1
34ad96fb306df43ca295df1be4dd5a9d494d16fd
sha256
6f1efbc9a89b8565f6a12fa5d6fec9d8e73c02aa5aa72b788412ccfcc542758b
sha512
b5d1c330cd71858ff5f934e996e7bf319fc3372bdfd417f3ece0479df9bd60a653d6f7e5515381af306d5cb29dbd2136a3d4c5e566bcc68faa01e0c024e0bd2d
ripemd-160
ad16dd7b744dbc6c34f114aec7e5c88e3d4e49b3
Diameter
41643212
Circumference
130826008.89108
Area
1.3620038058413E+15
Volume
3.7812142154304E+22
Surface area
5.4480152233652E+15
Circumference
130826008.89108
Perimeter
83286424
Area
433539276419236
Diagonal
29446197.595589
Surface area
2601235658515416
Volume
9.0269839991264E+21
Space diagonal
36064079.487181
Perimeter
62464818
Area
1.8772801345869E+14
Altitude
18032039.74359
Surface area
1.8772801345869E+14
Volume
1.0638402665741E+21
Height
9815399.1985297