20731188 is an even 8-digits composite number following 20731187
and preceding 20731189 . In scientific notation, it is written as 2.0731188 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6394080 positive integers (up to 20731188) that are relatively prime to 20731188.
20731188 has 24 divisors, whose sum is 38008320
The reverse of 20731188 is 88113702
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred thirty-one thousand one hundred eighty-eight
Scientific notation
2.0731188 × 10^7
Engineering notation
2.0731188 × 10^6
Prime Factorization
2 × 2 × 69 × 31 × 2423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10365594
Product of the distinct prime numbers
The prime factorization of 20731188 is 2 × 2 × 69 × 31 × 2423.
Since it has a total of 5 prime factors.
10 , 7 , 97 , 6 , 621 , 309 , 650 , 665 , 7661 , 50190 , 157686 , 961078 , 7135901 , 4236944 , 2576082 , 32332879 , 926804058 , 345878104 , 7166463137 , 3249473048
n×2
41462376
n×3
62193564
n×4
82924752
n×5
103655940
n÷2
10365594
n÷3
6910396
n÷3
5182797
n÷5
4146237.6
n2
429782155891344
n3
8.9098946728288E+21
n4
1.8471270152261E+29
n5
3.8293137412531E+36
2 √n
4553.1514360935
3 √n
274.71016516079
4 √n
67.477043771148
5 √n
29.061955805603
1 , 2 , 4 , 31 , 62 , 69 , 124 , 138 , 276 , 2139 , 2423 , 4278 , 4846 , 8556 , 9692 , 75113 , 150226 , 167187 , 300452 , 334374 , 668748 , 5182797 , 10365594 , 20731188
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
-20731187
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 20731188 can be divided by 24 positive divisors.
The sum of these divisors (counting 20731188) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111000101010100110100
3
Ternary
1110000020211210
4
Quaternary
1033011110310
5
Quinary
20301344223
6
Senary
2020201420
8
Octal
117052464
10
Decimal
20731188
12
Duodecimal
6b39270
16
Hexadecimal
13c5534
20
Vigesimal
69b7j8
36
Base36
cccac
md5
3425632327759d85a804f4ac80a06556
sha1
a3cb6c0430062a9ed925159865022ebd43d4e91f
sha256
8e3a4cc73bd2228e43cb2379ff5626f69a5df7d6236740cc82e4902bbb4078c2
sha512
b4e753e9181e3628f1158411144cfd79d0252d7114eb60b0df63ad69b94034150158a8a485ffcd5919bac4b447e70cd87d60d2bfe1cc1ef26a472169b6877540
ripemd-160
d4e2aa110627155bd3778a10a6c0453256730fcd
Diameter
41462376
Circumference
130257895.84198
Area
1.3502004635922E+15
Volume
3.7321679531224E+22
Surface area
5.4008018543689E+15
Circumference
130257895.84198
Perimeter
82924752
Area
429782155891344
Diagonal
29318327.233706
Surface area
2578692935348064
Volume
8.9098946728288E+21
Space diagonal
35907470.917262
Perimeter
62193564
Area
1.8610113254757E+14
Altitude
17953735.458631
Surface area
1.8610113254757E+14
Volume
1.0500411571359E+21
Height
9772775.7445688