20123291 is an odd 8-digits composite number following 20123290
and preceding 20123292 . In scientific notation, it is written as 2.0123291 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 18939552 positive integers (up to 20123291) that are relatively prime to 20123291.
20123291 has 4 divisors, whose sum is 21307032
The reverse of 20123291 is 19232102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-three thousand two hundred ninety-one
Scientific notation
2.0123291 × 10^7
Engineering notation
2.0123291 × 10^6
Prime Factorization
17 × 1183723
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123291
Product of the distinct prime numbers
The prime factorization of 20123291 is 17 × 1183723.
Since it has a total of 2 prime factors.
10 , 6 , 28 , 79 , 248 , 76 , 3894 , 1511 , 31809 , 75135 , 369527 , 984526 , 3152351 , 92185 , 19106321 , 30343287 , 424018658 , 962283148 , 1339455766 , 139045871
n×2
40246582
n×3
60369873
n×4
80493164
n×5
100616455
n÷2
10061645.5
n÷3
6707763.6666667
n÷3
5030822.75
n÷5
4024658.2
n2
404946840670681
n3
8.1488631143467E+21
n4
1.6398194376917E+29
n5
3.2998563732126E+36
2 √n
4485.8991294946
3 √n
271.99839153461
4 √n
66.9768551777
5 √n
28.889485103999
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
-20123290
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 20123291 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123291) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000111010011011
3
Ternary
1101212100222002
4
Quaternary
1030300322123
5
Quinary
20122421131
6
Senary
1555151215
8
Octal
114607233
10
Decimal
20123291
12
Duodecimal
68a550b
16
Hexadecimal
1330e9b
20
Vigesimal
65f84b
36
Base36
bzb8b
md5
a997b4b581adfbb1d408be83a72ea121
sha1
fc74dba6525d7875dd32666a7cc20da53247ccf1
sha256
3be4577a20728fa714dd7cd0036029ca7a2e1b1c01a1a8bf9a05770767fb5533
sha512
1f7dd60978e929c34bd3f9090650f2d23945618b72544cae9511d1433c8aca418493b7f689107be3d73ef10f222bcc0ca007d4c92a9c2ac920b10ddae0ac840c
ripemd-160
45643e75cad40be33193c122578e0c5ac41480be
Diameter
40246582
Circumference
126438366.3433
Area
1.2721780197454E+15
Volume
3.4133877993521E+22
Surface area
5.0887120789816E+15
Circumference
126438366.3433
Perimeter
80493164
Area
404946840670681
Diagonal
28458631.05178
Surface area
2429681044024086
Volume
8.1488631143467E+21
Space diagonal
34854562.427494
Perimeter
60369873
Area
1.7534712560153E+14
Altitude
17427281.213747
Surface area
1.7534712560153E+14
Volume
9.6035272785259E+20
Height
9486210.3505935