20123688 is an even 8-digits composite number following 20123687
and preceding 20123689 . In scientific notation, it is written as 2.0123688 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors.
There are 6191808 positive integers (up to 20123688) that are relatively prime to 20123688.
20123688 has 16 divisors, whose sum is 38700000
The reverse of 20123688 is 88632102
Previous prime number is 39
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred twenty-three thousand six hundred eighty-eight
Scientific notation
2.0123688 × 10^7
Engineering notation
2.0123688 × 10^6
Prime Factorization
2 × 2 × 2 × 39 × 64499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5030922
Product of the distinct prime numbers
The prime factorization of 20123688 is 2 × 2 × 2 × 39 × 64499.
Since it has a total of 5 prime factors.
10 , 2 , 36 , 85 , 232 , 651 , 1751 , 4997 , 49274 , 46257 , 314583 , 941258 , 9351846 , 4579633 , 21260708 , 34037954 , 125947266 , 884642765 , 9485543749 , 241234810
n×2
40247376
n×3
60371064
n×4
80494752
n×5
100618440
n÷2
10061844
n÷3
6707896
n÷3
5030922
n÷5
4024737.6
n2
404962818721344
n3
8.1493454155489E+21
n4
1.6399488454674E+29
n5
3.3001818902145E+36
2 √n
4485.9433790453
3 √n
272.00018021903
4 √n
66.977185511525
5 √n
28.889599091667
1 , 2 , 4 , 8 , 39 , 78 , 156 , 312 , 64499 , 128998 , 257996 , 515992 , 2515461 , 5030922 , 10061844 , 20123688
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
-20123687
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 20123688 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000000101000
3
Ternary
1101212101111210
4
Quaternary
1030301000220
5
Quinary
20122424223
6
Senary
1555153120
8
Octal
114610050
10
Decimal
20123688
12
Duodecimal
68a57a0
16
Hexadecimal
1331028
20
Vigesimal
65f948
36
Base36
bzbjc
md5
5788e72c7eed96e4afad9b6f9bff58ad
sha1
9c2c92ef3ce1c0edb712a1a1e4482010a57e36be
sha256
f96c94b329f828dd5cabe907be6e4c9f4307c7bb0534a2ac011b709d493bf55c
sha512
dfe367f72bf896c2a93b7176fe5acaf17b7535ebb165ca2efcd0865b334aef0e17a640a794389621eb51b8cd1e3a5066b4be7e2bb1484d5a07f5653adf8fd5ad
ripemd-160
0c6a209b39901fb4f84aa52ee8795c9f03bdcbc3
Diameter
40247376
Circumference
126440860.76787
Area
1.272228216272E+15
Volume
3.4135898252072E+22
Surface area
5.088912865088E+15
Circumference
126440860.76787
Perimeter
80494752
Area
404962818721344
Diagonal
28459192.494565
Surface area
2429776912328064
Volume
8.1493454155489E+21
Space diagonal
34855250.051664
Perimeter
60371064
Area
1.7535404430042E+14
Altitude
17427625.025832
Surface area
1.7535404430042E+14
Volume
9.6040956759435E+20
Height
9486397.4981882