21802020 is an even 8-digits composite number following 21802019
and preceding 21802021 . In scientific notation, it is written as 2.1802020 × 10^7.
The sum of its digits is 15. It has a total of 5 prime factors and 24 positive divisors.
There are 5813856 positive integers (up to 21802020) that are relatively prime to 21802020.
21802020 has 24 divisors, whose sum is 61045824
The reverse of 21802020 is 02020812
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million eight hundred two thousand twenty
Scientific notation
2.1802020 × 10^7
Engineering notation
2.1802020 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 363367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10901010
Product of the distinct prime numbers
The prime factorization of 21802020 is 2 × 2 × 3 × 5 × 363367.
Since it has a total of 5 prime factors.
9 , 10 , 74 , 30 , 363 , 396 , 1232 , 9063 , 71885 , 361 , 839173 , 249777 , 4366032 , 2687460 , 86109730 , 81981329 , 436441548 , 191501531 , 809383037 , 2869584981
n×2
43604040
n×3
65406060
n×4
87208080
n×5
109010100
n÷2
10901010
n÷3
7267340
n÷3
5450505
n÷5
4360404
n2
475328076080400
n3
1.0363112221266E+22
n4
2.2593677991029E+29
n5
4.9258781943398E+36
2 √n
4669.2633251938
3 √n
279.36087216918
4 √n
68.332008057672
5 √n
29.356166804806
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 363367 , 726734 , 1090101 , 1453468 , 1816835 , 2180202 , 3633670 , 4360404 , 5450505 , 7267340 , 10901010 , 21802020
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
-21802019
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 21802020 can be divided by 24 positive divisors.
The sum of these divisors (counting 21802020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011001010110000100100
3
Ternary
1112000122202020
4
Quaternary
1103022300210
5
Quinary
21040131040
6
Senary
2055143140
8
Octal
123126044
10
Decimal
21802020
12
Duodecimal
7374ab0
16
Hexadecimal
14cac24
20
Vigesimal
6g5510
36
Base36
czajo
md5
e432e1c945d21c93c88ed11ea612eff6
sha1
c35698a77eeb61bde18928748056f11efac4433e
sha256
af13f84e453f1b8fc25070254067b61f22d7bd5f093cd0cbedec6e97d2a11fe9
sha512
e2c24ea98cdfc34a47051d3b1374a0c111aa111b1df04f04ac682ee9d1e5b9a96ce9a0fe4e043a1d24c6509f84bf0747e9de70d4f12459ad22b51574a370a647
ripemd-160
5ffb4c1ab60a6c41bdfa5b6d5cc57251cee88aef
Diameter
43604040
Circumference
136986131.73084
Area
1.4932871918592E+15
Volume
4.3408902963543E+22
Surface area
5.9731487674366E+15
Circumference
136986131.73084
Perimeter
87208080
Area
475328076080400
Diagonal
30832712.371129
Surface area
2851968456482400
Volume
1.0363112221266E+22
Space diagonal
37762206.347633
Perimeter
65406060
Area
2.058230945088E+14
Altitude
18881103.173816
Surface area
2.058230945088E+14
Volume
1.2213044876424E+21
Height
10277570.790376