20020646 is an even 8-digits composite number following 20020645
and preceding 20020647 . In scientific notation, it is written as 2.0020646 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 10010322 positive integers (up to 20020646) that are relatively prime to 20020646.
20020646 has 4 divisors, whose sum is 30030972
The reverse of 20020646 is 64602002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million twenty thousand six hundred forty-six
Scientific notation
2.0020646 × 10^7
Engineering notation
2.0020646 × 10^6
Prime Factorization
2 × 10010323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20020646
Product of the distinct prime numbers
The prime factorization of 20020646 is 2 × 10010323.
Since it has a total of 2 prime factors.
9 , 2 , 78 , 84 , 396 , 700 , 8777 , 874 , 76111 , 3075 , 79911 , 357252 , 2035164 , 3293501 , 27915643 , 39985146 , 138516318 , 981927958 , 8221654119 , 541955220
n×2
40041292
n×3
60061938
n×4
80082584
n×5
100103230
n÷2
10010323
n÷3
6673548.6666667
n÷3
5005161.5
n÷5
4004129.2
n2
400826266257316
n3
8.0248007842395E+21
n4
1.6066169572178E+29
n5
3.2165509358055E+36
2 √n
4474.4436525673
3 √n
271.53513264809
4 √n
66.891282336096
5 √n
28.859952856273
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
-20020645
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 20020646 can be divided by 4 positive divisors.
The sum of these divisors (counting 20020646) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010111110110100110
3
Ternary
1101200011011102
4
Quaternary
1030113312212
5
Quinary
20111130041
6
Senary
1553040102
8
Octal
114276646
10
Decimal
20020646
12
Duodecimal
6856032
16
Hexadecimal
1317da6
20
Vigesimal
652bc6
36
Base36
bx412
md5
dcfd3d7dad48e6f3ea0a49c881042155
sha1
fffc7d833002c53a18bc29f251ad291fd7334c1c
sha256
f28223a81b96b517043b1af21ad39a1d43acd57ec206fba9a50bc18214ee2f95
sha512
b1e0b3ee98c3a6a80d94394fc17cf91dab40ad9de305a316052c5f09868b2a49c1aae24d9d6aff14bb277b56cde9914e4a694f52c3d7ae36e2c4c25b61af4a7b
ripemd-160
b88c931083fea415cd214d1e6b989b6626a7897b
Diameter
40041292
Circumference
125793428.78744
Area
1.2592328534398E+15
Volume
3.3614206920384E+22
Surface area
5.0369314137592E+15
Circumference
125793428.78744
Perimeter
80082584
Area
400826266257316
Diagonal
28313469.100671
Surface area
2404957597543896
Volume
8.0248007842395E+21
Space diagonal
34676776.072351
Perimeter
60061938
Area
1.7356286454145E+14
Altitude
17338388.036175
Surface area
1.7356286454145E+14
Volume
9.4573184203448E+20
Height
9437823.0335569