21052020 is an even 8-digits composite number following 21052019
and preceding 21052021 . In scientific notation, it is written as 2.1052020 × 10^7.
The sum of its digits is 12. It has a total of 5 prime factors and 24 positive divisors.
There are 5046400 positive integers (up to 21052020) that are relatively prime to 21052020.
21052020 has 24 divisors, whose sum is 44448768
The reverse of 21052020 is 02025012
Previous prime number is 5511
Is Prime? no
Number parity even
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million fifty-two thousand twenty
Scientific notation
2.1052020 × 10^7
Engineering notation
2.1052020 × 10^6
Prime Factorization
2 × 2 × 5 × 5511 × 191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10526010
Product of the distinct prime numbers
The prime factorization of 21052020 is 2 × 2 × 5 × 5511 × 191.
Since it has a total of 5 prime factors.
5 , 3 , 40 , 81 , 393 , 979 , 621 , 1190 , 34871 , 47784 , 980862 , 633178 , 7891575 , 3026061 , 66495571 , 97179940 , 517145095 , 417780395 , 1272359984 , 3376187008
n×2
42104040
n×3
63156060
n×4
84208080
n×5
105260100
n÷2
10526010
n÷3
7017340
n÷3
5263005
n÷5
4210404
n2
443187546080400
n3
9.3299930838355E+21
n4
1.9641520100077E+29
n5
4.1349367397722E+36
2 √n
4588.2480316565
3 √n
276.12003810254
4 √n
67.736607766086
5 √n
29.151355573571
1 , 2 , 4 , 5 , 10 , 20 , 191 , 382 , 764 , 955 , 1910 , 3820 , 5511 , 11022 , 22044 , 27555 , 55110 , 110220 , 1052601 , 2105202 , 4210404 , 5263005 , 10526010 , 21052020
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
-21052019
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 21052020 can be divided by 24 positive divisors.
The sum of these divisors (counting 21052020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010011101001110100
3
Ternary
1110121112221110
4
Quaternary
1100103221310
5
Quinary
20342131040
6
Senary
2031115020
8
Octal
120235164
10
Decimal
21052020
12
Duodecimal
7072a70
16
Hexadecimal
1413a74
20
Vigesimal
6bba10
36
Base36
cj7uc
md5
61c014c7dedb8b248c0a7a8438dabe64
sha1
f82f872a7dbfb293925b06d8502389c393866256
sha256
35c6e7cf86470ac204b07c7cf5152ee6b5b7078bdab28a81b9687ee0a064488a
sha512
b988e3a9e61230e4f802bc59261af7959d74dc4fa546a007143cd3364d162001e73640d4317503ecfe1e588febe46d76de30418f31a23ccb7dde0ba050e46419
ripemd-160
f3625bdaacc89d9c034e044c4f1ddb2d8d4f6e3a
Diameter
42104040
Circumference
132273742.75045
Area
1.3923147389287E+15
Volume
3.9081383640295E+22
Surface area
5.5692589557147E+15
Circumference
132273742.75045
Perimeter
84208080
Area
443187546080400
Diagonal
29772052.19935
Surface area
2659125276482400
Volume
9.3299930838355E+21
Space diagonal
36463168.241956
Perimeter
63156060
Area
1.9190583677326E+14
Altitude
18231584.120978
Surface area
1.9190583677326E+14
Volume
1.0995502296673E+21
Height
9924017.3997832