20797665 is an odd 8-digits composite number following 20797664
and preceding 20797666 . In scientific notation, it is written as 2.0797665 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 9507456 positive integers (up to 20797665) that are relatively prime to 20797665.
20797665 has 8 divisors, whose sum is 25353472
The reverse of 20797665 is 56679702
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred ninety-seven thousand six hundred sixty-five
Scientific notation
2.0797665 × 10^7
Engineering notation
2.0797665 × 10^6
Prime Factorization
15 × 7 × 198073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20797665
Product of the distinct prime numbers
The prime factorization of 20797665 is 15 × 7 × 198073.
Since it has a total of 3 prime factors.
10 , 9 , 33 , 53 , 606 , 837 , 4911 , 729 , 58851 , 10433 , 503546 , 820211 , 9574304 , 7651593 , 28842388 , 2694905 , 200821753 , 404493342 , 7538151564 , 6992933501
n×2
41595330
n×3
62392995
n×4
83190660
n×5
103988325
n÷2
10398832.5
n÷3
6932555
n÷3
5199416.25
n÷5
4159533
n2
432542869452225
n3
8.9958816970061E+21
n4
1.8709333391396E+29
n5
3.8911044824758E+36
2 √n
4560.4457019024
3 √n
275.00348204957
4 √n
67.531072121671
5 √n
29.080570063317
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
-20797664
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 20797665 can be divided by 8 positive divisors.
The sum of these divisors (counting 20797665) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101100011100001
3
Ternary
1110010122000220
4
Quaternary
1033111203201
5
Quinary
20311011130
6
Senary
2021433253
8
Octal
117254341
10
Decimal
20797665
12
Duodecimal
6b6b829
16
Hexadecimal
13d58e1
20
Vigesimal
69je35
36
Base36
cdrkx
md5
ad07d6f6f395febb51241beb1becb82c
sha1
f6c572e70d7d34e02b620d34157f34136c9dcb53
sha256
db9588abed0cc87ee8fbf377e5035c1d1ae884ff3f2df9caa22d3b372fcb999d
sha512
038d25532d5995ba30eb6c10a609920644bb16216d5983b42c6c0efb55e11bdd67d7cbb5abb6e7b878a84638dbc349a34d140541777e3eb8b8485f645e145bbd
ripemd-160
412bc6a3f31d33087700bc49b5694d0823985295
Diameter
41595330
Circumference
130675583.15164
Area
1.3588735010338E+15
Volume
3.7681861135836E+22
Surface area
5.435494004135E+15
Circumference
130675583.15164
Perimeter
83190660
Area
432542869452225
Diagonal
29412339.908692
Surface area
2595257216713350
Volume
8.9958816970061E+21
Space diagonal
36022612.458797
Perimeter
62392995
Area
1.8729655658572E+14
Altitude
18011306.229398
Surface area
1.8729655658572E+14
Volume
1.0601748251175E+21
Height
9804113.3028974