20402980 is an even 8-digits composite number following 20402979
and preceding 20402981 . In scientific notation, it is written as 2.0402980 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 7446528 positive integers (up to 20402980) that are relatively prime to 20402980.
20402980 has 24 divisors, whose sum is 42933240
The reverse of 20402980 is 08920402
Previous prime number is 1261
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred two thousand nine hundred eighty
Scientific notation
2.0402980 × 10^7
Engineering notation
2.0402980 × 10^6
Prime Factorization
2 × 2 × 5 × 1261 × 809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10201490
Product of the distinct prime numbers
The prime factorization of 20402980 is 2 × 2 × 5 × 1261 × 809.
Since it has a total of 5 prime factors.
1 , 4 , 95 , 27 , 488 , 574 , 3500 , 7091 , 91314 , 48694 , 209746 , 517794 , 4695565 , 3419359 , 85999622 , 13460594 , 184215647 , 209171317 , 9304561761 , 3036888887
n×2
40805960
n×3
61208940
n×4
81611920
n×5
102014900
n÷2
10201490
n÷3
6800993.3333333
n÷3
5100745
n÷5
4080596
n2
416281592880400
n3
8.4933850139069E+21
n4
1.7329036457104E+29
n5
3.5356398425357E+36
2 √n
4516.9657957527
3 √n
273.25274575799
4 √n
67.208375934497
5 √n
28.969347995024
1 , 2 , 4 , 5 , 10 , 20 , 809 , 1261 , 1618 , 2522 , 3236 , 4045 , 5044 , 6305 , 8090 , 12610 , 16180 , 25220 , 1020149 , 2040298 , 4080596 , 5100745 , 10201490 , 20402980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402980 can be divided by 24 positive divisors.
The sum of these divisors (counting 20402980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110101001100100100
3
Ternary
1102101120121221
4
Quaternary
1031311030210
5
Quinary
20210343410
6
Senary
2005150124
8
Octal
115651444
10
Decimal
20402980
12
Duodecimal
69bb344
16
Hexadecimal
1375324
20
Vigesimal
67a790
36
Base36
c5b1g
md5
bbc8ddd3b405043136655141be07301b
sha1
280653f606a2b5d5a339397a32395ad5057912be
sha256
cc9d03f45d451f9fe03168b11fd381cfbfc6448ed3242e5419b5228a3eae1975
sha512
7b8446ec9f9a88b10fd5e922cb21a8f195154c43f01c5159a993297d8131faa8405bb53d647cee6e5bd29d943b22ac18031520ab665fd1e05dc8033842a153f7
ripemd-160
d048e05e94d8bb6dc95b4b04597aaf9594f0c043
Diameter
40805960
Circumference
128195704.15868
Area
1.3077871940177E+15
Volume
3.5577007951733E+22
Surface area
5.2311487760709E+15
Circumference
128195704.15868
Perimeter
81611920
Area
416281592880400
Diagonal
28854171.028827
Surface area
2497689557282400
Volume
8.4933850139069E+21
Space diagonal
35338997.985812
Perimeter
61208940
Area
1.8025521728114E+14
Altitude
17669498.992906
Surface area
1.8025521728114E+14
Volume
1.0009550230936E+21
Height
9618057.009609