20210665 is an odd 8-digits composite number following 20210664
and preceding 20210666 . In scientific notation, it is written as 2.0210665 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 16083120 positive integers (up to 20210665) that are relatively prime to 20210665.
20210665 has 8 divisors, whose sum is 24380928
The reverse of 20210665 is 56601202
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million two hundred ten thousand six hundred sixty-five
Scientific notation
2.0210665 × 10^7
Engineering notation
2.0210665 × 10^6
Prime Factorization
5 × 191 × 21163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20210665
Product of the distinct prime numbers
The prime factorization of 20210665 is 5 × 191 × 21163.
Since it has a total of 3 prime factors.
10 , 10 , 23 , 46 , 465 , 566 , 8786 , 9320 , 5963 , 82616 , 811408 , 619529 , 1259871 , 5920740 , 37381715 , 54078837 , 223645111 , 931782375 , 7065365768 , 7753378454
n×2
40421330
n×3
60631995
n×4
80842660
n×5
101053325
n÷2
10105332.5
n÷3
6736888.3333333
n÷3
5052666.25
n÷5
4042133
n2
408470979742225
n3
8.2554701337919E+21
n4
1.6684854129157E+29
n5
3.3721199737827E+36
2 √n
4495.6273199633
3 √n
272.39148949572
4 √n
67.049439370984
5 √n
28.914528893422
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210664
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210665 can be divided by 8 positive divisors.
The sum of these divisors (counting 20210665) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000110001111101001
3
Ternary
1102000210211011
4
Quaternary
1031012033221
5
Quinary
20133220130
6
Senary
2001103521
8
Octal
115061751
10
Decimal
20210665
12
Duodecimal
6927ba1
16
Hexadecimal
13463e9
20
Vigesimal
6666d5
36
Base36
c16nd
md5
152d58bb137c38c228f6c77907c8689a
sha1
2f1ca375900c8ed293a22c7689c47c7074a5082d
sha256
799dd90a242b14f483a84d235acfe938953e0df9f48db11f69f834cc26273ccd
sha512
337810d76a2218df4d830fa81daef09d1515e4f499a6d9e6d3d54b2ecc977fe66abb185dddeeb35996731c0df44803f9d870023677adc98739d6c7c96bb4c998
ripemd-160
22ecc9fe83a2f618b1b3f3e36f3d23c8763a7de2
Diameter
40421330
Circumference
126987353.37633
Area
1.2832494291628E+15
Volume
3.4580432432334E+22
Surface area
5.1329977166512E+15
Circumference
126987353.37633
Perimeter
80842660
Area
408470979742225
Diagonal
28582196.547579
Surface area
2450825878453350
Volume
8.2554701337919E+21
Space diagonal
35005898.634754
Perimeter
60631995
Area
1.7687312258274E+14
Altitude
17502949.317377
Surface area
1.7687312258274E+14
Volume
9.7291648558121E+20
Height
9527398.8491931