20202981 is an odd 8-digits composite number following 20202980
and preceding 20202982 . In scientific notation, it is written as 2.0202981 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13468652 positive integers (up to 20202981) that are relatively prime to 20202981.
20202981 has 4 divisors, whose sum is 26937312
The reverse of 20202981 is 18920202
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million two hundred two thousand nine hundred eighty-one
Scientific notation
2.0202981 × 10^7
Engineering notation
2.0202981 × 10^6
Prime Factorization
3 × 6734327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20202981
Product of the distinct prime numbers
The prime factorization of 20202981 is 3 × 6734327.
Since it has a total of 2 prime factors.
2 , 3 , 64 , 50 , 637 , 642 , 6147 , 5343 , 21780 , 34195 , 758452 , 909263 , 2733296 , 8834145 , 37807037 , 18316526 , 464447898 , 646060973 , 4896032355 , 1705553847
n×2
40405962
n×3
60608943
n×4
80811924
n×5
101014905
n÷2
10101490.5
n÷3
6734327
n÷3
5050745.25
n÷5
4040596.2
n2
408160441286361
n3
8.24605764026E+21
n4
1.6659494583108E+29
n5
3.3657145253213E+36
2 √n
4494.772630512
3 √n
272.35696446454
4 √n
67.043065491608
5 √n
28.912329925339
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
-20202980
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 20202981 can be divided by 4 positive divisors.
The sum of these divisors (counting 20202981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000100010111100101
3
Ternary
1102000102021120
4
Quaternary
1031010113211
5
Quinary
20132443411
6
Senary
2001004153
8
Octal
115042745
10
Decimal
20202981
12
Duodecimal
6923659
16
Hexadecimal
13445e5
20
Vigesimal
665791
36
Base36
c10px
md5
5f1605ea166c9859cf2d9e7ea4ca5fa3
sha1
07ff749afc9eb74a4988826d218812d8a068fd39
sha256
075ae36f9121b9e3246df5bfceaad56b110e0c656d09f50a51bfe4396b9bb076
sha512
b519c4a972592c3b020c5b31d43fa1a34407e22d018df4fb067d45a0f503ef002027114132f838c59e96f5007a0660774989f910ef09fee6f2c16e869d7e5042
ripemd-160
8884d716ee8aba45e453b6319d1a6c58ade797aa
Diameter
40405962
Circumference
126939073.38043
Area
1.2822738438312E+15
Volume
3.4541005471625E+22
Surface area
5.1290953753248E+15
Circumference
126939073.38043
Perimeter
80811924
Area
408160441286361
Diagonal
28571329.730566
Surface area
2448962647718166
Volume
8.24605764026E+21
Space diagonal
34992589.556349
Perimeter
60608943
Area
1.7673865548693E+14
Altitude
17496294.778174
Surface area
1.7673865548693E+14
Volume
9.7180721258049E+20
Height
9523776.5768553