20797515 is an odd 8-digits composite number following 20797514
and preceding 20797516 . In scientific notation, it is written as 2.0797515 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 10791360 positive integers (up to 20797515) that are relatively prime to 20797515.
20797515 has 4 divisors, whose sum is 20811672
The reverse of 20797515 is 51579702
Previous prime number is 1665
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred ninety-seven thousand five hundred fifteen
Scientific notation
2.0797515 × 10^7
Engineering notation
2.0797515 × 10^6
Prime Factorization
1665 × 12491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20797515
Product of the distinct prime numbers
The prime factorization of 20797515 is 1665 × 12491.
Since it has a total of 2 prime factors.
2 , 9 , 31 , 48 , 807 , 355 , 7233 , 8469 , 31572 , 90233 , 27695 , 226622 , 3889577 , 8291652 , 50044787 , 49350460 , 339448186 , 523677184 , 3587615191 , 7245478030
n×2
41595030
n×3
62392545
n×4
83190060
n×5
103987575
n÷2
10398757.5
n÷3
6932505
n÷3
5199378.75
n÷5
4159503
n2
432536630175225
n3
8.9956870541187E+21
n4
1.8708793644334E+29
n5
3.8909641644994E+36
2 √n
4560.4292561118
3 √n
275.0028209077
4 √n
67.530950356942
5 √n
29.080528115357
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797514
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797515 can be divided by 4 positive divisors.
The sum of these divisors (counting 20797515) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101100001001011
3
Ternary
1110010121211100
4
Quaternary
1033111201023
5
Quinary
20311010030
6
Senary
2021432443
8
Octal
117254113
10
Decimal
20797515
12
Duodecimal
6b6b723
16
Hexadecimal
13d584b
20
Vigesimal
69jdff
36
Base36
cdrgr
md5
ceb6bed070279b1365a4b7c6db9322e3
sha1
c15d6aca56d2f9e06724e6cef04a11ac1bed94c4
sha256
675f583677e853473963f2190ac66592f80cedbd89e316447e300a0bfbc0851c
sha512
50bfa87d2c5b4da733fe9a1f2a65d1a5c78f60a051728b609639dc9421c2cfd7520d674986add19f71c3f145b3731b100009d033b383aa990de3351c521f5bfa
ripemd-160
51bb96b214f3b1817d8fe5b8bea0c5dcacaaeaac
Diameter
41595030
Circumference
130674640.67385
Area
1.358853899767E+15
Volume
3.7681045817616E+22
Surface area
5.4354155990679E+15
Circumference
130674640.67385
Perimeter
83190060
Area
432536630175225
Diagonal
29412127.776658
Surface area
2595219781051350
Volume
8.9956870541187E+21
Space diagonal
36022352.651176
Perimeter
62392545
Area
1.8729385489953E+14
Altitude
18011176.325588
Surface area
1.8729385489953E+14
Volume
1.0601518862332E+21
Height
9804042.5922193