20105388 is an even 8-digits composite number following 20105387
and preceding 20105389 . In scientific notation, it is written as 2.0105388 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors.
There are 6701760 positive integers (up to 20105388) that are relatively prime to 20105388.
20105388 has 24 divisors, whose sum is 52125360
The reverse of 20105388 is 88350102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred five thousand three hundred eighty-eight
Scientific notation
2.0105388 × 10^7
Engineering notation
2.0105388 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 3 × 186161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1116966
Product of the distinct prime numbers
The prime factorization of 20105388 is 2 × 2 × 3 × 3 × 3 × 186161.
Since it has a total of 6 prime factors.
4 , 2 , 90 , 8 , 160 , 25 , 4105 , 66 , 19793 , 96950 , 790243 , 712037 , 1299602 , 1624905 , 43693579 , 70621033 , 461095175 , 230381122 , 3701142033 , 9196333299
n×2
40210776
n×3
60316164
n×4
80421552
n×5
100526940
n÷2
10052694
n÷3
6701796
n÷3
5026347
n÷5
4021077.6
n2
404226626630544
n3
8.1271331683382E+21
n4
1.6339916567711E+29
n5
3.2852036248146E+36
2 √n
4483.9032103737
3 √n
271.9177050634
4 √n
66.961953453986
5 √n
28.88434287744
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 27 , 36 , 54 , 108 , 186161 , 372322 , 558483 , 744644 , 1116966 , 1675449 , 2233932 , 3350898 , 5026347 , 6701796 , 10052694 , 20105388
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20105387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20105388 can be divided by 24 positive divisors.
The sum of these divisors (counting 20105388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101100100010101100
3
Ternary
1101211110102000
4
Quaternary
1030230202230
5
Quinary
20121333023
6
Senary
1554532300
8
Octal
114544254
10
Decimal
20105388
12
Duodecimal
6897090
16
Hexadecimal
132c8ac
20
Vigesimal
65d398
36
Base36
byxf0
md5
fef10a3b8b9d6aa0f1adeabc3c13f366
sha1
c3385e4b1d7c0b00f36c25fa8348588f62b3ecfc
sha256
8cef162a9f7d475888efa9b6c7b07d72be9220f5a40a767e49acb772c1ab1164
sha512
f582769fb2d5f0eba0f81f256f42e140c100cde6465d8d9538344d668186ec7a37068b190abb6ef3fbde629d12e5dffd60840a518ee81bcadb78d2e86433e7e6
ripemd-160
77d56725953a9c30a4176b033aeaee50ed9e6966
Diameter
40210776
Circumference
126325878.47674
Area
1.2699154006079E+15
Volume
3.404285580853E+22
Surface area
5.0796616024316E+15
Circumference
126325878.47674
Perimeter
80421552
Area
404226626630544
Diagonal
28433312.386373
Surface area
2425359759783264
Volume
8.1271331683382E+21
Space diagonal
34823553.521886
Perimeter
60316164
Area
1.7503526377407E+14
Altitude
17411776.760943
Surface area
1.7503526377407E+14
Volume
9.5779182915634E+20
Height
9477770.7954578