20420123 is an odd 8-digits composite number following 20420122
and preceding 20420124 . In scientific notation, it is written as 2.0420123 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 20368800 positive integers (up to 20420123) that are relatively prime to 20420123.
20420123 has 4 divisors, whose sum is 20471448
The reverse of 20420123 is 32102402
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million four hundred twenty thousand one hundred twenty-three
Scientific notation
2.0420123 × 10^7
Engineering notation
2.0420123 × 10^6
Prime Factorization
401 × 50923
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20420123
Product of the distinct prime numbers
The prime factorization of 20420123 is 401 × 50923.
Since it has a total of 2 prime factors.
1 , 3 , 17 , 39 , 278 , 411 , 7709 , 3894 , 40432 , 64755 , 44616 , 811184 , 1285904 , 9156864 , 5509236 , 16448610 , 505904672 , 181668660 , 9880787759 , 4285529259
n×2
40840246
n×3
61260369
n×4
81680492
n×5
102100615
n÷2
10210061.5
n÷3
6806707.6666667
n÷3
5105030.75
n÷5
4084024.6
n2
416981423335129
n3
8.5148119532184E+21
n4
1.7387350740659E+29
n5
3.550518407684E+36
2 √n
4518.8630207166
3 √n
273.32925517744
4 √n
67.222488950623
5 √n
28.974214487155
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
-20420122
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 20420123 can be divided by 4 positive divisors.
The sum of these divisors (counting 20420123) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101111001011000011011
3
Ternary
1102102110010212
4
Quaternary
1031321120123
5
Quinary
20211420443
6
Senary
2005401335
8
Octal
115713033
10
Decimal
20420123
12
Duodecimal
6a0924b
16
Hexadecimal
137961b
20
Vigesimal
67ca63
36
Base36
c5o9n
md5
4113b687117cfbf4243bace8ff138b0a
sha1
13cc95fd11953704f5de3dd8b162f261134a16ca
sha256
f13a9e81b234e2c7e7da3b4cdeaee5d656eb4bd678cd239cd9af00215703a023
sha512
dfa1228509933fb486df04be31bc68ad07e41689d58c905a586af2f4ae110f18ec15c4e23ba8bbb1e804dd68cd4aa85f7c3716acee5e337771ffa1aea22a6cb6
ripemd-160
10d61272ca35f1320385ab3ad982abaee741a3e4
Diameter
40840246
Circumference
128303416.8044
Area
1.3099857762331E+15
Volume
3.5666760905239E+22
Surface area
5.2399431049322E+15
Circumference
128303416.8044
Perimeter
81680492
Area
416981423335129
Diagonal
28878414.891927
Surface area
2501888540010774
Volume
8.5148119532184E+21
Space diagonal
35368690.532806
Perimeter
61260369
Area
1.8055825275721E+14
Altitude
17684345.266403
Surface area
1.8055825275721E+14
Volume
1.0034802121082E+21
Height
9626138.2973089