20165661 is an odd 8-digits composite number following 20165660
and preceding 20165662 . In scientific notation, it is written as 2.0165661 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 13443768 positive integers (up to 20165661) that are relatively prime to 20165661.
20165661 has 4 divisors, whose sum is 22406300
The reverse of 20165661 is 16656102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred sixty-five thousand six hundred sixty-one
Scientific notation
2.0165661 × 10^7
Engineering notation
2.0165661 × 10^6
Prime Factorization
9 × 2240629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20165661
Product of the distinct prime numbers
The prime factorization of 20165661 is 9 × 2240629.
Since it has a total of 2 prime factors.
2 , 4 , 75 , 14 , 901 , 78 , 7507 , 9875 , 60305 , 60964 , 317456 , 861125 , 9499532 , 2288020 , 92334632 , 57351399 , 922190485 , 44048238 , 4433036012 , 3708357376
n×2
40331322
n×3
60496983
n×4
80662644
n×5
100828305
n÷2
10082830.5
n÷3
6721887
n÷3
5041415.25
n÷5
4033132.2
n2
406653883566921
n3
8.200444360344E+21
n4
1.6536738102006E+29
n5
3.3347425461083E+36
2 √n
4490.6192223345
3 √n
272.18915709892
4 √n
67.012082659282
5 √n
28.901640351185
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20165660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20165661 can be divided by 4 positive divisors.
The sum of these divisors (counting 20165661) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111011010000011101
3
Ternary
1101221112002100
4
Quaternary
1030323100131
5
Quinary
20130300121
6
Senary
2000115313
8
Octal
114732035
10
Decimal
20165661
12
Duodecimal
6905b39
16
Hexadecimal
133b41d
20
Vigesimal
660e31
36
Base36
c07x9
md5
cd6b1cd5d89ff78b81796811bf896b30
sha1
0f795e9b8ff1b8b03142e7fad7d9fa15d30819a5
sha256
61bb4addfd845019e0c59eaf7c71d50d1e104b3e93df935cacef764bf65946a7
sha512
4ab484cab7738f442668e3f1cbc013a3e9e3360dcd0f71165c4c209cebd19599eb25d49aa9cae639bc9007edd755536b39efc437b1d443921d5c3ddacbbf1976
ripemd-160
3bdb83e5844c32eb58a0ba7e5d0100290cb7a3d5
Diameter
40331322
Circumference
126704584.90476
Area
1.2775408531676E+15
Volume
3.4349941011505E+22
Surface area
5.1101634126704E+15
Circumference
126704584.90476
Perimeter
80662644
Area
406653883566921
Diagonal
28518551.280418
Surface area
2439923301401526
Volume
8.200444360344E+21
Space diagonal
34927949.42021
Perimeter
60496983
Area
1.7608629685828E+14
Altitude
17463974.710105
Surface area
1.7608629685828E+14
Volume
9.6643163599037E+20
Height
9506183.7601394