20123894 is an even 8-digits composite number following 20123893
and preceding 20123895 . In scientific notation, it is written as 2.0123894 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 8624520 positive integers (up to 20123894) that are relatively prime to 20123894.
20123894 has 8 divisors, whose sum is 34498128
The reverse of 20123894 is 49832102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred twenty-three thousand eight hundred ninety-four
Scientific notation
2.0123894 × 10^7
Engineering notation
2.0123894 × 10^6
Prime Factorization
2 × 7 × 1437421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20123894
Product of the distinct prime numbers
The prime factorization of 20123894 is 2 × 7 × 1437421.
Since it has a total of 3 prime factors.
7 , 3 , 75 , 3 , 652 , 115 , 7656 , 6846 , 19478 , 14789 , 704045 , 297339 , 7631196 , 6949619 , 44226843 , 88667302 , 560120333 , 334900792 , 3398021743 , 8804057874
n×2
40247788
n×3
60371682
n×4
80495576
n×5
100619470
n÷2
10061947
n÷3
6707964.6666667
n÷3
5030973.5
n÷5
4024778.8
n2
404971109723236
n3
8.1495956851328E+21
n4
1.6400159971047E+29
n5
3.3003508084039E+36
2 √n
4485.9663395973
3 √n
272.00110834323
4 √n
66.977356917075
5 √n
28.889658238211
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123894 can be divided by 8 positive divisors.
The sum of these divisors (counting 20123894) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001000011110110
3
Ternary
1101212101210102
4
Quaternary
1030301003312
5
Quinary
20122431034
6
Senary
1555154102
8
Octal
114610366
10
Decimal
20123894
12
Duodecimal
68a5932
16
Hexadecimal
13310f6
20
Vigesimal
65f9ee
36
Base36
bzbp2
md5
67af0cf91b7f681f7dc39a74975100ea
sha1
09cb57a734101a18ba403e7c9df2254c91aabb4c
sha256
c11e27c48ba358bc0f3b4684943e74cf7a8dc584a017ecf90e0414f19f6cff3c
sha512
cb25e4f6c90ae8e24e04d3fd217e966780ab9bec692bc05d142d1ea21d273b11a6aafe235ca8d10bf5b329a71be263e5504fe1fb976216ce5a1b7fd6bb8950ca
ripemd-160
f2dab5d064b29e981b3f61c11701ea806c0c4b92
Diameter
40247788
Circumference
126442155.10404
Area
1.2722542632226E+15
Volume
3.4136946578854E+22
Surface area
5.0890170528905E+15
Circumference
126442155.10404
Perimeter
80495576
Area
404971109723236
Diagonal
28459483.822559
Surface area
2429826658339416
Volume
8.1495956851328E+21
Space diagonal
34855606.85413
Perimeter
60371682
Area
1.7535763440955E+14
Altitude
17427803.427065
Surface area
1.7535763440955E+14
Volume
9.6043906214767E+20
Height
9486494.6075195