20731488 is an even 8-digits composite number following 20731487
and preceding 20731489 . In scientific notation, it is written as 2.0731488 × 10^7.
The sum of its digits is 33. It has a total of 7 prime factors and 24 positive divisors.
There are 6910464 positive integers (up to 20731488) that are relatively prime to 20731488.
20731488 has 24 divisors, whose sum is 54420408
The reverse of 20731488 is 88413702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred thirty-one thousand four hundred eighty-eight
Scientific notation
2.0731488 × 10^7
Engineering notation
2.0731488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 215953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1295718
Product of the distinct prime numbers
The prime factorization of 20731488 is 2 × 2 × 2 × 2 × 2 × 3 × 215953.
Since it has a total of 7 prime factors.
1 , 5 , 40 , 62 , 103 , 164 , 3394 , 7468 , 67693 , 5328 , 845732 , 91515 , 4941572 , 4570447 , 95523795 , 14852295 , 386829437 , 752997846 , 2135078817 , 7551222128
n×2
41462976
n×3
62194464
n×4
82925952
n×5
103657440
n÷2
10365744
n÷3
6910496
n÷3
5182872
n÷5
4146297.6
n2
429794594694144
n3
8.9102814823665E+21
n4
1.847233936283E+29
n5
3.8295908183245E+36
2 √n
4553.1843801893
3 √n
274.71149026015
4 √n
67.477287884067
5 √n
29.062039915942
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 215953 , 431906 , 647859 , 863812 , 1295718 , 1727624 , 2591436 , 3455248 , 5182872 , 6910496 , 10365744 , 20731488
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
-20731487
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 20731488 can be divided by 24 positive divisors.
The sum of these divisors (counting 20731488) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111000101011001100000
3
Ternary
1110000021020220
4
Quaternary
1033011121200
5
Quinary
20301401423
6
Senary
2020203040
8
Octal
117053140
10
Decimal
20731488
12
Duodecimal
6b39480
16
Hexadecimal
13c5660
20
Vigesimal
69b8e8
36
Base36
cccio
md5
04b67209421174b5f107a0b6991a23fe
sha1
cf1f53f9b72ebe35e8df41746a7921d4a7162adb
sha256
42b55da2d643794210aab53b3bd8e3e4dfee7198d48e18a6d9d7cd1165742769
sha512
5ff7c690d3aa4cb845d6ce6fff96eff5fa492ea6e88ff7371aaad6905f8c660cb40095b50d87d7869e1f372560df08e441e71f3fdce959e7295abe8a179767a2
ripemd-160
6a3176ab6bc33d0b580748984d42c1b08b5fd968
Diameter
41462976
Circumference
130259780.79757
Area
1.3502395412437E+15
Volume
3.7323299795226E+22
Surface area
5.4009581649749E+15
Circumference
130259780.79757
Perimeter
82925952
Area
429794594694144
Diagonal
29318751.497775
Surface area
2578767568164864
Volume
8.9102814823665E+21
Space diagonal
35907990.532504
Perimeter
62194464
Area
1.8610651870718E+14
Altitude
17953995.266252
Surface area
1.8610651870718E+14
Volume
1.050086743077E+21
Height
9772917.165925