20021810 is an even 8-digits composite number following 20021809
and preceding 20021811 . In scientific notation, it is written as 2.0021810 × 10^7.
The sum of its digits is 14. It has a total of 5 prime factors and 32 positive divisors.
There are 7637760 positive integers (up to 20021810) that are relatively prime to 20021810.
20021810 has 32 divisors, whose sum is 37748592
The reverse of 20021810 is 01812002
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million twenty-one thousand eight hundred ten
Scientific notation
2.0021810 × 10^7
Engineering notation
2.0021810 × 10^6
Prime Factorization
2 × 5 × 53 × 37 × 1021
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20021810
Product of the distinct prime numbers
The prime factorization of 20021810 is 2 × 5 × 53 × 37 × 1021.
Since it has a total of 5 prime factors.
7 , 8 , 63 , 61 , 174 , 635 , 475 , 6304 , 64702 , 97547 , 145 , 328090 , 154787 , 5795219 , 65471305 , 80975043 , 823508178 , 575892426 , 2863971203 , 2870602177
n×2
40043620
n×3
60065430
n×4
80087240
n×5
100109050
n÷2
10010905
n÷3
6673936.6666667
n÷3
5005452.5
n÷5
4004362
n2
400872875676100
n3
8.0262005509405E+21
n4
1.6069906245283E+29
n5
3.2174860956086E+36
2 √n
4474.5737227137
3 √n
271.54039489536
4 √n
66.892254579388
5 √n
28.860288431897
1 , 2 , 5 , 10 , 37 , 53 , 74 , 106 , 185 , 265 , 370 , 530 , 1021 , 1961 , 2042 , 3922 , 5105 , 9805 , 10210 , 19610 , 37777 , 54113 , 75554 , 108226 , 188885 , 270565 , 377770 , 541130 , 2002181 , 4004362 , 10010905 , 20021810
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
-20021809
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 20021810 can be divided by 32 positive divisors.
The sum of these divisors (counting 20021810) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100011000001000110010
3
Ternary
1101200012202112
4
Quaternary
1030120020302
5
Quinary
20111144220
6
Senary
1553045322
8
Octal
114301062
10
Decimal
20021810
12
Duodecimal
6856842
16
Hexadecimal
1318232
20
Vigesimal
652eaa
36
Base36
bx4xe
md5
285f2fccce5f8b30c17a6cb997c93170
sha1
dcb33c1a9156c467675f096ff6a989ead6dbe0d9
sha256
23bcf3950de3b7b640ef3109a1b907706493efc5548b6f2fafd2e76918c0455b
sha512
855be35d269ef4e251af3a9b7043da0df9970ca288128874fbb131e05c26a3882c017ee87050904133e9f500eb06495c18007bbf06a26f427ceba97cee607566
ripemd-160
918e0a21348f083f20abb623bbba27564c7b9472
Diameter
40043620
Circumference
125800742.41514
Area
1.2593792812475E+15
Volume
3.3620070249431E+22
Surface area
5.0375171249898E+15
Circumference
125800742.41514
Perimeter
80087240
Area
400872875676100
Diagonal
28315115.245257
Surface area
2405237254056600
Volume
8.0262005509405E+21
Space diagonal
34678792.179491
Perimeter
60065430
Area
1.7358304701181E+14
Altitude
17339396.089745
Surface area
1.7358304701181E+14
Volume
9.458968061222E+20
Height
9438371.7484191