20806420 is an even 8-digits composite number following 20806419
and preceding 20806421 . In scientific notation, it is written as 2.0806420 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 8228352 positive integers (up to 20806420) that are relatively prime to 20806420.
20806420 has 24 divisors, whose sum is 44188200
The reverse of 20806420 is 02460802
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eight hundred six thousand four hundred twenty
Scientific notation
2.0806420 × 10^7
Engineering notation
2.0806420 × 10^6
Prime Factorization
2 × 2 × 5 × 89 × 11689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10403210
Product of the distinct prime numbers
The prime factorization of 20806420 is 2 × 2 × 5 × 89 × 11689.
Since it has a total of 5 prime factors.
5 , 10 , 53 , 7 , 657 , 842 , 1455 , 8295 , 25248 , 96143 , 406819 , 669991 , 7522147 , 3287270 , 93235709 , 7941743 , 960681239 , 712579560 , 4736765561 , 1000953341
n×2
41612840
n×3
62419260
n×4
83225680
n×5
104032100
n÷2
10403210
n÷3
6935473.3333333
n÷3
5201605
n÷5
4161284
n2
432907113216400
n3
9.007247218568E+21
n4
1.8740856867336E+29
n5
3.8993013914167E+36
2 √n
4561.4054851548
3 √n
275.04206519054
4 √n
67.538177982196
5 √n
29.083018006689
1 , 2 , 4 , 5 , 10 , 20 , 89 , 178 , 356 , 445 , 890 , 1780 , 11689 , 23378 , 46756 , 58445 , 116890 , 233780 , 1040321 , 2080642 , 4161284 , 5201605 , 10403210 , 20806420
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
-20806419
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 20806420 can be divided by 24 positive divisors.
The sum of these divisors (counting 20806420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010111101100010100
3
Ternary
1110011002001011
4
Quaternary
1033113230110
5
Quinary
20311301140
6
Senary
2021542004
8
Octal
117275424
10
Decimal
20806420
12
Duodecimal
6b74904
16
Hexadecimal
13d7b14
20
Vigesimal
6a0g10
36
Base36
cdyc4
md5
e27ecc9478437aaabcc34345f9aca2c6
sha1
e657c7799a6f2c049177b2c4cf4d89a5c01d5a56
sha256
d9a621e3f4c1a0aa8a6af9740372ab5a387675e24a02b8370c2d893797d07ec8
sha512
1c53a81307987fdda91912806c97f688a888b3523340b96288abccdf19aa7db853c003af6a7844edbab8559e06b604ca30e844c8882584a57d5bc57f3e957dbe
ripemd-160
a39291198e3c82867d59580bc6a00da03f386366
Diameter
41612840
Circumference
130730592.43901
Area
1.3600178065674E+15
Volume
3.7729468921227E+22
Surface area
5.4400712262696E+15
Circumference
130730592.43901
Perimeter
83225680
Area
432907113216400
Diagonal
29424721.348431
Surface area
2597442679298400
Volume
9.007247218568E+21
Space diagonal
36037776.563617
Perimeter
62419260
Area
1.8745427876219E+14
Altitude
18018888.281809
Surface area
1.8745427876219E+14
Volume
1.0615142646788E+21
Height
9808240.4494769