20684515 is an odd 8-digits composite number following 20684514
and preceding 20684516 . In scientific notation, it is written as 2.0684515 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16266912 positive integers (up to 20684515) that are relatively prime to 20684515.
20684515 has 8 divisors, whose sum is 25242480
The reverse of 20684515 is 51548602
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-four thousand five hundred fifteen
Scientific notation
2.0684515 × 10^7
Engineering notation
2.0684515 × 10^6
Prime Factorization
5 × 59 × 70117
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20684515
Product of the distinct prime numbers
The prime factorization of 20684515 is 5 × 59 × 70117.
Since it has a total of 3 prime factors.
1 , 4 , 85 , 62 , 535 , 195 , 9423 , 2677 , 48693 , 81795 , 688404 , 416662 , 8929982 , 204541 , 44477432 , 35535270 , 699319831 , 53048935 , 7373859860 , 6929848828
n×2
41369030
n×3
62053545
n×4
82738060
n×5
103422575
n÷2
10342257.5
n÷3
6894838.3333333
n÷3
5171128.75
n÷5
4136903
n2
427849160785225
n3
8.8498523839994E+21
n4
1.8305490438462E+29
n5
3.7864019155673E+36
2 √n
4548.0231969505
3 √n
274.50385472184
4 √n
67.43903318517
5 √n
29.048858323568
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20684514
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20684515 can be divided by 8 positive divisors.
The sum of these divisors (counting 20684515) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001111011100011
3
Ternary
1102220212211011
4
Quaternary
1032321323203
5
Quinary
20243401030
6
Senary
2015201351
8
Octal
116717343
10
Decimal
20684515
12
Duodecimal
6b16257
16
Hexadecimal
13b9ee3
20
Vigesimal
695b5f
36
Base36
cbc9v
md5
c38a47e14208c2265369775274665707
sha1
5a10bb784d24974eec78ca73e8f3f94666719bde
sha256
fac989cf81cdea49a88ee76d3e8fc5f40deceb99a8ea00c49d0b0530a02608dc
sha512
5b81d088a749197e5cbc6e9319bb29c2c04c111ba75d28be6eba67c4c0030a462a6439c459475e33e80de6bfeb3af9ed4e3e2b9d93f19970b40bf11951a393cb
ripemd-160
d6b6f3f1554afe0ff984257f3c27028150c1cc40
Diameter
41369030
Circumference
129964640.73414
Area
1.3441277803674E+15
Volume
3.7070174979902E+22
Surface area
5.3765111214697E+15
Circumference
129964640.73414
Perimeter
82738060
Area
427849160785225
Diagonal
29252321.64411
Surface area
2567094964711350
Volume
8.8498523839994E+21
Space diagonal
35826630.909921
Perimeter
62053545
Area
1.8526412111393E+14
Altitude
17913315.45496
Surface area
1.8526412111393E+14
Volume
1.0429651055377E+21
Height
9750773.8813699