20687020 is an even 8-digits composite number following 20687019
and preceding 20687021 . In scientific notation, it is written as 2.0687020 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 8250432 positive integers (up to 20687020) that are relatively prime to 20687020.
20687020 has 24 divisors, whose sum is 43570800
The reverse of 20687020 is 02078602
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million six hundred eighty-seven thousand twenty
Scientific notation
2.0687020 × 10^7
Engineering notation
2.0687020 × 10^6
Prime Factorization
2 × 2 × 5 × 389 × 2659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10343510
Product of the distinct prime numbers
The prime factorization of 20687020 is 2 × 2 × 5 × 389 × 2659.
Since it has a total of 5 prime factors.
1 , 7 , 98 , 77 , 633 , 642 , 1551 , 5472 , 57940 , 11348 , 887579 , 777509 , 9331863 , 1448418 , 34317310 , 96388274 , 775775185 , 432970075 , 4074239853 , 9737760840
n×2
41374040
n×3
62061060
n×4
82748080
n×5
103435100
n÷2
10343510
n÷3
6895673.3333333
n÷3
5171755
n÷5
4137404
n2
427952796480400
n3
8.853068059846E+21
n4
1.8314359601539E+29
n5
3.7886952336424E+36
2 √n
4548.2985829868
3 √n
274.51493554566
4 √n
67.441074894954
5 √n
29.049561882393
1 , 2 , 4 , 5 , 10 , 20 , 389 , 778 , 1556 , 1945 , 2659 , 3890 , 5318 , 7780 , 10636 , 13295 , 26590 , 53180 , 1034351 , 2068702 , 4137404 , 5171755 , 10343510 , 20687020
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
-20687019
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 20687020 can be divided by 24 positive divisors.
The sum of these divisors (counting 20687020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010100010101100
3
Ternary
1102221000020221
4
Quaternary
1032322202230
5
Quinary
20243441040
6
Senary
2015221124
8
Octal
116724254
10
Decimal
20687020
12
Duodecimal
6b177a4
16
Hexadecimal
13ba8ac
20
Vigesimal
695hb0
36
Base36
cbe7g
md5
e8e78aff26d398ed9e3d5b9661a184e9
sha1
c44a3b228546dc206ae149a28ae48d8418eacf08
sha256
21e1ac22db65e599fe9bacf24a0a91b8584b077991e1f3063da08b5c1f53ae05
sha512
7512f068670286450734940e1333a1e55d5354b4eebb630911f5b36c35cb492652fb2ad55bf2d025399fa523e04f99d243617655538542d0cb336ad7ad471b35
ripemd-160
c6de9b1dba69c400235673f278a881f35f7cd66d
Diameter
41374040
Circumference
129980380.11333
Area
1.344453361506E+15
Volume
3.708364477139E+22
Surface area
5.3778134460241E+15
Circumference
129980380.11333
Perimeter
82748080
Area
427952796480400
Diagonal
29255864.249083
Surface area
2567716778882400
Volume
8.853068059846E+21
Space diagonal
35830969.697194
Perimeter
62061060
Area
1.8530899668631E+14
Altitude
17915484.848597
Surface area
1.8530899668631E+14
Volume
1.0433440765705E+21
Height
9751954.7496945