20165021 is an odd 8-digits composite number following 20165020
and preceding 20165022 . In scientific notation, it is written as 2.0165021 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 19735932 positive integers (up to 20165021) that are relatively prime to 20165021.
20165021 has 4 divisors, whose sum is 20594112
The reverse of 20165021 is 12056102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred sixty-five thousand twenty-one
Scientific notation
2.0165021 × 10^7
Engineering notation
2.0165021 × 10^6
Prime Factorization
47 × 429043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20165021
Product of the distinct prime numbers
The prime factorization of 20165021 is 47 × 429043.
Since it has a total of 2 prime factors.
10 , 9 , 74 , 77 , 230 , 524 , 1221 , 8833 , 5092 , 80255 , 480708 , 139016 , 6732219 , 3239675 , 67279631 , 32574121 , 455429614 , 778430347 , 7822870896 , 5205253300
n×2
40330042
n×3
60495063
n×4
80660084
n×5
100825105
n÷2
10082510.5
n÷3
6721673.6666667
n÷3
5041255.25
n÷5
4033004.2
n2
406628071930441
n3
8.1996636096669E+21
n4
1.6534638888187E+29
n5
3.334213404077E+36
2 √n
4490.5479621089
3 √n
272.18627756849
4 √n
67.01155096033
5 √n
28.901456897891
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
-20165020
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 20165021 can be divided by 4 positive divisors.
The sum of these divisors (counting 20165021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111011000110011101
3
Ternary
1101221111012122
4
Quaternary
1030323012131
5
Quinary
20130240041
6
Senary
2000112325
8
Octal
114730635
10
Decimal
20165021
12
Duodecimal
69056a5
16
Hexadecimal
133b19d
20
Vigesimal
660cb1
36
Base36
c07fh
md5
f7ec4d4660fa7cdff6499cce851d4e2e
sha1
96b401720a30563454f1e7a8a4534fdf1ffbee6d
sha256
c1fffaed87142c7a30e7285d5f0b33c411eaa2177157cd5ab7b19d25d74428f0
sha512
40e96df5a4e07af6fd0fbe3b2d8ec8661673dc397a513d60b24449f0fadf6275ea28eeb82a0a0469943ecd55124c2551cccaf9910262552cc1bfc86d4186a891
ripemd-160
8248770259ac000f9a25900a63208f59a0d83381
Diameter
40330042
Circumference
126700563.66617
Area
1.2774597635201E+15
Volume
3.4346670610716E+22
Surface area
5.1098390540802E+15
Circumference
126700563.66617
Perimeter
80660084
Area
406628071930441
Diagonal
28517646.183738
Surface area
2439768431582646
Volume
8.1996636096669E+21
Space diagonal
34926840.907693
Perimeter
60495063
Area
1.7607512009182E+14
Altitude
17463420.453847
Surface area
1.7607512009182E+14
Volume
9.6633962364067E+20
Height
9505882.0612461