20123898 is an even 8-digits composite number following 20123897
and preceding 20123899 . In scientific notation, it is written as 2.0123898 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6491520 positive integers (up to 20123898) that are relatively prime to 20123898.
20123898 has 16 divisors, whose sum is 41546496
The reverse of 20123898 is 89832102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred twenty-three thousand eight hundred ninety-eight
Scientific notation
2.0123898 × 10^7
Engineering notation
2.0123898 × 10^6
Prime Factorization
2 × 3 × 31 × 108193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123898
Product of the distinct prime numbers
The prime factorization of 20123898 is 2 × 3 × 31 × 108193.
Since it has a total of 4 prime factors.
1 , 2 , 82 , 39 , 440 , 749 , 6788 , 5247 , 214 , 99382 , 67851 , 716480 , 6284983 , 2032749 , 44911079 , 86745130 , 253292014 , 276547860 , 9690002125 , 7859214297
n×2
40247796
n×3
60371694
n×4
80495592
n×5
100619490
n÷2
10061949
n÷3
6707966
n÷3
5030974.5
n÷5
4024779.6
n2
404971270714404
n3
8.1496005447871E+21
n4
1.6400173010404E+29
n5
3.3003540884372E+36
2 √n
4485.9667854321
3 √n
272.001126365
4 √n
66.977360245325
5 √n
28.889659386683
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 108193 , 216386 , 324579 , 649158 , 3353983 , 6707966 , 10061949 , 20123898
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
-20123897
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 20123898 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123898) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000011111010
3
Ternary
1101212101210120
4
Quaternary
1030301003322
5
Quinary
20122431043
6
Senary
1555154110
8
Octal
114610372
10
Decimal
20123898
12
Duodecimal
68a5936
16
Hexadecimal
13310fa
20
Vigesimal
65f9ei
36
Base36
bzbp6
md5
72b114cded8c5ca53d8ee15fee9f50d7
sha1
97ec8184f1d1fca09ef201fdd025326fe65ebed8
sha256
00d44c5bba1b2647a6f011b95fef2ddef5a4a1a929d7e31ed2632137fb007b9a
sha512
a8a6ffbe19999e4e89642a0d368421a4e358549a272b6e5559d16e39aa8f9f0bc79ffc6348221c0978e2132f221459699f50f5133c7b4717985a2c12fe741e2b
ripemd-160
d6ffa5f77b059834d7a960a7de0e0532084ce4c9
Diameter
40247796
Circumference
126442180.23678
Area
1.2722547689913E+15
Volume
3.4136966934926E+22
Surface area
5.0890190759652E+15
Circumference
126442180.23678
Perimeter
80495592
Area
404971270714404
Diagonal
28459489.479413
Surface area
2429827624286424
Volume
8.1496005447871E+21
Space diagonal
34855613.782334
Perimeter
60371694
Area
1.7535770412077E+14
Altitude
17427806.891167
Surface area
1.7535770412077E+14
Volume
9.6043963486342E+20
Height
9486496.4931376