20123390 is an even 8-digits composite number following 20123389
and preceding 20123391 . In scientific notation, it is written as 2.0123390 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 6357120 positive integers (up to 20123390) that are relatively prime to 20123390.
20123390 has 32 divisors, whose sum is 37791360
The reverse of 20123390 is 09332102
Previous prime number is 161
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-three thousand three hundred ninety
Scientific notation
2.0123390 × 10^7
Engineering notation
2.0123390 × 10^6
Prime Factorization
2 × 5 × 29 × 161 × 431
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20123390
Product of the distinct prime numbers
The prime factorization of 20123390 is 2 × 5 × 29 × 161 × 431.
Since it has a total of 5 prime factors.
3 , 1 , 71 , 40 , 496 , 743 , 372 , 5386 , 72107 , 96569 , 198130 , 246399 , 6412445 , 1271540 , 85417791 , 46758721 , 360348211 , 212830878 , 6524683685 , 888378029
n×2
40246780
n×3
60370170
n×4
80493560
n×5
100616950
n÷2
10061695
n÷3
6707796.6666667
n÷3
5030847.5
n÷5
4024678
n2
404950825092100
n3
8.1489833841501E+21
n4
1.6398517074277E+29
n5
3.2999375450734E+36
2 √n
4485.9101640581
3 √n
271.99883758154
4 √n
66.976937553595
5 √n
28.889513529303
1 , 2 , 5 , 10 , 29 , 58 , 145 , 161 , 290 , 322 , 431 , 805 , 862 , 1610 , 2155 , 4310 , 4669 , 9338 , 12499 , 23345 , 24998 , 46690 , 62495 , 69391 , 124990 , 138782 , 346955 , 693910 , 2012339 , 4024678 , 10061695 , 20123390
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123390 can be divided by 32 positive divisors.
The sum of these divisors (counting 20123390) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000111011111110
3
Ternary
1101212101002202
4
Quaternary
1030300323332
5
Quinary
20122422030
6
Senary
1555151502
8
Octal
114607376
10
Decimal
20123390
12
Duodecimal
68a5592
16
Hexadecimal
1330efe
20
Vigesimal
65f89a
36
Base36
bzbb2
md5
ac7e67614ef4c89dc45fb472058b081b
sha1
ff79961e478a0645c542f9a8cae9e635eced0403
sha256
9ba7e6980d76e3817c0947446a9a01714ce35f2a473bd066209da1f895d496b2
sha512
94344237f51ae7c2d78a909ffa683a748fd1b5e38a9c818459af623f5e10903059fefd7a123cdba682a9cf56608e9a4c4751287f4cc9c9fe419abeaac7142c8b
ripemd-160
285c47f3ded6c61a370e85ef064e95d168203386
Diameter
40246780
Circumference
126438988.37864
Area
1.2721905371745E+15
Volume
3.4134381778495E+22
Surface area
5.0887621486979E+15
Circumference
126438988.37864
Perimeter
80493560
Area
404950825092100
Diagonal
28458771.058923
Surface area
2429704950552600
Volume
8.1489833841501E+21
Space diagonal
34854733.900523
Perimeter
60370170
Area
1.7534885090661E+14
Altitude
17427366.950262
Surface area
1.7534885090661E+14
Volume
9.6036690178484E+20
Height
9486257.019641