20687634 is an even 8-digits composite number following 20687633
and preceding 20687635 . In scientific notation, it is written as 2.0687634 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 6220800 positive integers (up to 20687634) that are relatively prime to 20687634.
20687634 has 32 divisors, whose sum is 37903680
The reverse of 20687634 is 43678602
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-seven thousand six hundred thirty-four
Scientific notation
2.0687634 × 10^7
Engineering notation
2.0687634 × 10^6
Prime Factorization
2 × 11 × 9 × 163 × 641
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20687634
Product of the distinct prime numbers
The prime factorization of 20687634 is 2 × 11 × 9 × 163 × 641.
Since it has a total of 5 prime factors.
5 , 1 , 90 , 40 , 729 , 316 , 3033 , 6517 , 82417 , 13403 , 197979 , 184406 , 1650980 , 8894038 , 66672246 , 51926721 , 856358677 , 749887608 , 1541388510 , 2354315378
n×2
41375268
n×3
62062902
n×4
82750536
n×5
103438170
n÷2
10343817
n÷3
6895878
n÷3
5171908.5
n÷5
4137526.8
n2
427978200517956
n3
8.8538563722941E+21
n4
1.8316534011859E+29
n5
3.7892575178589E+36
2 √n
4548.3660802534
3 √n
274.51765142745
4 √n
67.441575309696
5 √n
29.049734321142
1 , 2 , 9 , 11 , 18 , 22 , 99 , 163 , 198 , 326 , 641 , 1282 , 1467 , 1793 , 2934 , 3586 , 5769 , 7051 , 11538 , 14102 , 16137 , 32274 , 63459 , 104483 , 126918 , 208966 , 940347 , 1149313 , 1880694 , 2298626 , 10343817 , 20687634
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20687633
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20687634 can be divided by 32 positive divisors.
The sum of these divisors (counting 20687634) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110111010101100010010
3
Ternary
1102221001002200
4
Quaternary
1032322230102
5
Quinary
20244001014
6
Senary
2015224030
8
Octal
116725422
10
Decimal
20687634
12
Duodecimal
6b18016
16
Hexadecimal
13bab12
20
Vigesimal
695j1e
36
Base36
cbeoi
md5
a6473c7ca5e3a1627fafb7d352f7ab88
sha1
49f4258674e5be12c096a550d63dc7b5d73fb8d8
sha256
ff2f0b901c74835c0d7a04892439f784a13cea18c1dc3ec2feec438dd6c4d6ba
sha512
31993e913499b94fb169d7d4857d03aea06b95645b65342fe3424924fe5b877686fc156be87f65d555fcb7b1cb9742cdf715321f98da71b3f7fc565f8c533e8f
ripemd-160
4e7746f76794b887664beed002b4ecb952bcf847
Diameter
41375268
Circumference
129984237.98911
Area
1.3445331706438E+15
Volume
3.7086946846851E+22
Surface area
5.3781326825752E+15
Circumference
129984237.98911
Perimeter
82750536
Area
427978200517956
Diagonal
29256732.576211
Surface area
2567869203107736
Volume
8.8538563722941E+21
Space diagonal
35832033.176389
Perimeter
62062902
Area
1.8531999695725E+14
Altitude
17916016.588195
Surface area
1.8531999695725E+14
Volume
1.0434369800835E+21
Height
9752244.1920703