20687684 is an even 8-digits composite number following 20687683
and preceding 20687685 . In scientific notation, it is written as 2.0687684 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 10334688 positive integers (up to 20687684) that are relatively prime to 20687684.
20687684 has 12 divisors, whose sum is 36235500
The reverse of 20687684 is 48678602
Previous prime number is 2549
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred eighty-seven thousand six hundred eighty-four
Scientific notation
2.0687684 × 10^7
Engineering notation
2.0687684 × 10^6
Prime Factorization
2 × 2 × 2549 × 2029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10343842
Product of the distinct prime numbers
The prime factorization of 20687684 is 2 × 2 × 2549 × 2029.
Since it has a total of 4 prime factors.
10 , 7 , 66 , 73 , 932 , 685 , 6453 , 2802 , 40779 , 51621 , 674111 , 155473 , 9440148 , 3248364 , 50495351 , 39197381 , 411488627 , 638954853 , 8287006657 , 3499163613
n×2
41375368
n×3
62063052
n×4
82750736
n×5
103438420
n÷2
10343842
n÷3
6895894.6666667
n÷3
5171921
n÷5
4137536.8
n2
427980269283856
n3
8.8539205691793E+21
n4
1.8316711089628E+29
n5
3.7893033094152E+36
2 √n
4548.3715767294
3 √n
274.5178725881
4 √n
67.441616059592
5 √n
29.049748363205
1 , 2 , 4 , 2029 , 2549 , 4058 , 5098 , 8116 , 10196 , 5171921 , 10343842 , 20687684
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20687683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20687684 can be divided by 12 positive divisors.
The sum of these divisors (counting 20687684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010101101000100
3
Ternary
1102221001011112
4
Quaternary
1032322231010
5
Quinary
20244001214
6
Senary
2015224152
8
Octal
116725504
10
Decimal
20687684
12
Duodecimal
6b18058
16
Hexadecimal
13bab44
20
Vigesimal
695j44
36
Base36
cbepw
md5
d15034005050ff1b7e0c3a3406626861
sha1
198c13f07034f514aa4d1f357a8535bc9346e3f1
sha256
0539cb3fde05f9eda853864a3c1c8eeed09dd507a19b575e82a8bd633c87e918
sha512
2ea7b6f16d4cde76eef2a227e561b58637fe07dadef57a7bb7eefd4d51fc7999769999fbfabb3a8224b46f6b528236f41b986eef180f6e8a0e10e9e80128bfb8
ripemd-160
cd38cc30803aa89fea6f48ee294292e25da1669c
Diameter
41375368
Circumference
129984552.14837
Area
1.3445396698635E+15
Volume
3.7087215754135E+22
Surface area
5.3781586794542E+15
Circumference
129984552.14837
Perimeter
82750736
Area
427980269283856
Diagonal
29256803.286889
Surface area
2567881615703136
Volume
8.8539205691793E+21
Space diagonal
35832119.77893
Perimeter
62063052
Area
1.8532089275916E+14
Altitude
17916059.889465
Surface area
1.8532089275916E+14
Volume
1.043444545759E+21
Height
9752267.7622963