20165805 is an odd 8-digits composite number following 20165804
and preceding 20165806 . In scientific notation, it is written as 2.0165805 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 9777120 positive integers (up to 20165805) that are relatively prime to 20165805.
20165805 has 8 divisors, whose sum is 22488480
The reverse of 20165805 is 50856102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred sixty-five thousand eight hundred five
Scientific notation
2.0165805 × 10^7
Engineering notation
2.0165805 × 10^6
Prime Factorization
45 × 11 × 40739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20165805
Product of the distinct prime numbers
The prime factorization of 20165805 is 45 × 11 × 40739.
Since it has a total of 3 prime factors.
4 , 9 , 1 , 92 , 693 , 498 , 3829 , 5825 , 16351 , 82224 , 515739 , 405330 , 1711549 , 9006045 , 54154113 , 7905327 , 547247206 , 516039642 , 8639622147 , 5095234909
n×2
40331610
n×3
60497415
n×4
80663220
n×5
100829025
n÷2
10082902.5
n÷3
6721935
n÷3
5041451.25
n÷5
4033161
n2
406659691298025
n3
8.2006200360762E+21
n4
1.653721045266E+29
n5
3.3348616123231E+36
2 √n
4490.6352557294
3 √n
272.18980498487
4 √n
67.012202289803
5 √n
28.901681627534
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
-20165804
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 20165805 can be divided by 8 positive divisors.
The sum of these divisors (counting 20165805) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111011010010101101
3
Ternary
1101221112021200
4
Quaternary
1030323102231
5
Quinary
20130301210
6
Senary
2000120113
8
Octal
114732255
10
Decimal
20165805
12
Duodecimal
6906039
16
Hexadecimal
133b4ad
20
Vigesimal
660ea5
36
Base36
c0819
md5
20235fc2c35ea691470723be113f5fa1
sha1
9ab131ba68efce43de9f422fd9acfbe8eb2cddb8
sha256
4b63878df83135fec3203e8ce1f9b0d8c0d9f9f1ba324e1c563a9b9d14e1e747
sha512
665ba7df1a0c11547624ef096136cb96cf9efbefd51d84402b52ed6ce6dac6468962afabfbe8181a6f6702c2a9edefec72ceb79e28b832a44b68c07ded48a813
ripemd-160
b3c3d8e5b23983af29479e8ba39db90420118c97
Diameter
40331610
Circumference
126705489.68345
Area
1.277559098693E+15
Volume
3.4350676880291E+22
Surface area
5.1102363947719E+15
Circumference
126705489.68345
Perimeter
80663220
Area
406659691298025
Diagonal
28518754.927171
Surface area
2439958147788150
Volume
8.2006200360762E+21
Space diagonal
34928198.835527
Perimeter
60497415
Area
1.7608881167961E+14
Altitude
17464099.417763
Surface area
1.7608881167961E+14
Volume
9.6645233957395E+20
Height
9506251.6423904