20123918 is an even 8-digits composite number following 20123917
and preceding 20123919 . In scientific notation, it is written as 2.0123918 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9902520 positive integers (up to 20123918) that are relatively prime to 20123918.
20123918 has 16 divisors, whose sum is 30668544
The reverse of 20123918 is 81932102
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-three thousand nine hundred eighteen
Scientific notation
2.0123918 × 10^7
Engineering notation
2.0123918 × 10^6
Prime Factorization
2 × 347 × 107 × 271
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123918
Product of the distinct prime numbers
The prime factorization of 20123918 is 2 × 347 × 107 × 271.
Since it has a total of 4 prime factors.
7 , 3 , 92 , 87 , 789 , 172 , 7095 , 2468 , 84877 , 54515 , 958336 , 885994 , 1100191 , 813802 , 85760365 , 25179973 , 445173875 , 569195638 , 8915860605 , 55333234
n×2
40247836
n×3
60371754
n×4
80495672
n×5
100619590
n÷2
10061959
n÷3
6707972.6666667
n÷3
5030979.5
n÷5
4024783.6
n2
404972075670724
n3
8.1496248430874E+21
n4
1.6400238207305E+29
n5
3.3003704886428E+36
2 √n
4485.9690146054
3 √n
272.0012164738
4 √n
66.977376886568
5 √n
28.889665129039
1 , 2 , 107 , 214 , 271 , 347 , 542 , 694 , 28997 , 37129 , 57994 , 74258 , 94037 , 188074 , 10061959 , 20123918
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123918 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000100001110
3
Ternary
1101212101211022
4
Quaternary
1030301010032
5
Quinary
20122431133
6
Senary
1555154142
8
Octal
114610416
10
Decimal
20123918
12
Duodecimal
68a5952
16
Hexadecimal
133110e
20
Vigesimal
65f9fi
36
Base36
bzbpq
md5
018bc470edbbfa9918ed990ed9f1070a
sha1
73a79130a8dcd721b43aca2a9a37c5c2b5a3da04
sha256
0233e75e3883f3040394fd45c2df51a168062788657cc9e84b582ecdfc2274b4
sha512
c07af55c21257fcf39afb6460735a737aa6eae86f4a2850364a7d6e835da51308cbfaa83baa8da090d360eac8ba390983e524ebaf7be689680fe60eea397c93a
ripemd-160
8c4c99f3450e4364cff19fbe4b4c5b36640daa17
Diameter
40247836
Circumference
126442305.90049
Area
1.2722572978362E+15
Volume
3.4137068715409E+22
Surface area
5.0890291913446E+15
Circumference
126442305.90049
Perimeter
80495672
Area
404972075670724
Diagonal
28459517.763684
Surface area
2429832454024344
Volume
8.1496248430874E+21
Space diagonal
34855648.42335
Perimeter
60371754
Area
1.7535805267708E+14
Altitude
17427824.211675
Surface area
1.7535805267708E+14
Volume
9.6044249844558E+20
Height
9486505.921228