20797865 is an odd 8-digits composite number following 20797864
and preceding 20797866 . In scientific notation, it is written as 2.0797865 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 14080000 positive integers (up to 20797865) that are relatively prime to 20797865.
20797865 has 16 divisors, whose sum is 22692096
The reverse of 20797865 is 56879702
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred ninety-seven thousand eight hundred sixty-five
Scientific notation
2.0797865 × 10^7
Engineering notation
2.0797865 × 10^6
Prime Factorization
55 × 23 × 41 × 401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20797865
Product of the distinct prime numbers
The prime factorization of 20797865 is 55 × 23 × 41 × 401.
Since it has a total of 4 prime factors.
1 , 10 , 95 , 29 , 208 , 799 , 9148 , 3788 , 25820 , 61362 , 60993 , 404654 , 5910292 , 3459373 , 73708288 , 6111286 , 706527389 , 140412329 , 6602523743 , 3238264518
n×2
41595730
n×3
62393595
n×4
83191460
n×5
103989325
n÷2
10398932.5
n÷3
6932621.6666667
n÷3
5199466.25
n÷5
4159573
n2
432551188558225
n3
8.9961412252235E+21
n4
1.8710053072313E+29
n5
3.8912915794081E+36
2 √n
4560.467629531
3 √n
275.00436356712
4 √n
67.53123447362
5 √n
29.080625993553
1 , 23 , 41 , 55 , 401 , 943 , 1265 , 2255 , 9223 , 16441 , 22055 , 51865 , 378143 , 507265 , 904255 , 20797865
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797864
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797865 can be divided by 16 positive divisors.
The sum of these divisors (counting 20797865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010101100110101001
3
Ternary
1110010122022022
4
Quaternary
1033111212221
5
Quinary
20311012430
6
Senary
2021434225
8
Octal
117254651
10
Decimal
20797865
12
Duodecimal
6b6b975
16
Hexadecimal
13d59a9
20
Vigesimal
69jed5
36
Base36
cdrqh
md5
aa31dea0b165cd1babd0673e5c5661a5
sha1
a072e2f0024569dba8fe98990f6e334ebdc9a69f
sha256
54aee9c93dbf87055a6939ce1a679abad43a4fb4a298f8e89e85698b566b6e09
sha512
4a58178b750a8fecdb72202e5795633785fbd07c3e845e88e2a0a42ab3c46dcb8c68d72b7678fe1cd7ec50bdcc0d61e8d8b13cf6b82db1c4ea11a561279142b4
ripemd-160
a41df72c43463459ae2270c5dc4fa58c27be0aea
Diameter
41595730
Circumference
130676839.7887
Area
1.3588996362761E+15
Volume
3.7682948245091E+22
Surface area
5.4355985451042E+15
Circumference
130676839.7887
Perimeter
83191460
Area
432551188558225
Diagonal
29412622.751405
Surface area
2595307131349350
Volume
8.9961412252235E+21
Space diagonal
36022958.868958
Perimeter
62393595
Area
1.8730015886429E+14
Altitude
18011479.434479
Surface area
1.8730015886429E+14
Volume
1.0602054108112E+21
Height
9804207.5838016