20165979 is an odd 8-digits composite number following 20165978
and preceding 20165980 . In scientific notation, it is written as 2.0165979 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13443984 positive integers (up to 20165979) that are relatively prime to 20165979.
20165979 has 4 divisors, whose sum is 26887976
The reverse of 20165979 is 97956102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred sixty-five thousand nine hundred seventy-nine
Scientific notation
2.0165979 × 10^7
Engineering notation
2.0165979 × 10^6
Prime Factorization
3 × 6721993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20165979
Product of the distinct prime numbers
The prime factorization of 20165979 is 3 × 6721993.
Since it has a total of 2 prime factors.
4 , 3 , 42 , 35 , 119 , 490 , 9890 , 9918 , 41225 , 49943 , 473471 , 997188 , 6002461 , 6324864 , 71792414 , 66345357 , 954269401 , 253434575 , 684395687 , 7777735536
n×2
40331958
n×3
60497937
n×4
80663916
n×5
100829895
n÷2
10082989.5
n÷3
6721993
n÷3
5041494.75
n÷5
4033195.8
n2
406666709028441
n3
8.2008323142667E+21
n4
1.6537781223202E+29
n5
3.3350054885369E+36
2 √n
4490.6546293386
3 √n
272.19058784294
4 √n
67.012346842493
5 √n
28.901731502808
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
-20165978
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 20165979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20165979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111011010101011011
3
Ternary
1101221112112010
4
Quaternary
1030323111123
5
Quinary
20130302404
6
Senary
2000121003
8
Octal
114732533
10
Decimal
20165979
12
Duodecimal
6906163
16
Hexadecimal
133b55b
20
Vigesimal
660eij
36
Base36
c0863
md5
211166440e273500e4242326321c05df
sha1
b283892969a973544a592733cf0fbca5ee89f354
sha256
b61411ebef4ea9de402ac399a563be429c6c93fb17790049ae43915ca209bd95
sha512
08b9abc5801435ab602edd784c68e63be97e9c0c1639e49c977e77f15b4dc78c5f4a8079c8bb64960a3b5d8a866a18d95b2d2c19b3adc7fe3652ce19daf22f58
ripemd-160
4925d74823fe8af6a1aa67a322574afe76011dec
Diameter
40331958
Circumference
126706582.95769
Area
1.2775811455433E+15
Volume
3.4351566069096E+22
Surface area
5.1103245821732E+15
Circumference
126706582.95769
Perimeter
80663916
Area
406666709028441
Diagonal
28519001.000331
Surface area
2440000254170646
Volume
8.2008323142667E+21
Space diagonal
34928500.212367
Perimeter
60497937
Area
1.7609185044602E+14
Altitude
17464250.106184
Surface area
1.7609185044602E+14
Volume
9.6647735679862E+20
Height
9506333.666777