20797479 is an odd 8-digits composite number following 20797478
and preceding 20797480 . In scientific notation, it is written as 2.0797479 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 13716864 positive integers (up to 20797479) that are relatively prime to 20797479.
20797479 has 12 divisors, whose sum is 23614864
The reverse of 20797479 is 97479702
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million seven hundred ninety-seven thousand four hundred seventy-nine
Scientific notation
2.0797479 × 10^7
Engineering notation
2.0797479 × 10^6
Prime Factorization
9 × 9 × 97 × 2647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2310831
Product of the distinct prime numbers
The prime factorization of 20797479 is 9 × 9 × 97 × 2647.
Since it has a total of 4 prime factors.
3 , 1 , 78 , 44 , 78 , 278 , 8867 , 8407 , 32652 , 72116 , 723191 , 805458 , 1939538 , 2256864 , 13552648 , 61509453 , 10527769 , 1851101 , 3986507668 , 5249281746
n×2
41594958
n×3
62392437
n×4
83189916
n×5
103987395
n÷2
10398739.5
n÷3
6932493
n÷3
5199369.75
n÷5
4159495.8
n2
432535132755441
n3
8.9956403402435E+21
n4
1.8708664106777E+29
n5
3.8909304887874E+36
2 √n
4560.4253091132
3 √n
275.00266223318
4 √n
67.530921133309
5 √n
29.08051804781
1 , 9 , 81 , 97 , 873 , 2647 , 7857 , 23823 , 214407 , 256759 , 2310831 , 20797479
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797478
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797479 can be divided by 12 positive divisors.
The sum of these divisors (counting 20797479) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010101100000100111
3
Ternary
1110010121210000
4
Quaternary
1033111200213
5
Quinary
20311004404
6
Senary
2021432343
8
Octal
117254047
10
Decimal
20797479
12
Duodecimal
6b6b6b3
16
Hexadecimal
13d5827
20
Vigesimal
69jddj
36
Base36
cdrfr
md5
c17a0614d0315e4f152a5abb93165b07
sha1
9ca9dad92c857f9c17b6f8b0720b54861355172d
sha256
72802ab016732134284f649213d4100306f98b7e9f35d2032186bea93332a895
sha512
f3da17516a8d5f7b89975c4d93b408cba14c2ae9ab426c32c4f0809e1764398718f598fb096a9994e744a94a1c8dd675e08154169c0ebb801d280e82dcc48bc3
ripemd-160
9bc117348713af68c1686f0702eacca67fb4e787
Diameter
41594958
Circumference
130674414.47918
Area
1.358849195484E+15
Volume
3.7680850142993E+22
Surface area
5.4353967819359E+15
Circumference
130674414.47918
Perimeter
83189916
Area
432535132755441
Diagonal
29412076.86497
Surface area
2595210796532646
Volume
8.9956403402435E+21
Space diagonal
36022290.297347
Perimeter
62392437
Area
1.8729320649774E+14
Altitude
18011145.148673
Surface area
1.8729320649774E+14
Volume
1.0601463809502E+21
Height
9804025.6216565