20797447 is an odd 8-digits composite number following 20797446
and preceding 20797448 . In scientific notation, it is written as 2.0797447 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 18906760 positive integers (up to 20797447) that are relatively prime to 20797447.
20797447 has 4 divisors, whose sum is 22688136
The reverse of 20797447 is 74479702
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million seven hundred ninety-seven thousand four hundred forty-seven
Scientific notation
2.0797447 × 10^7
Engineering notation
2.0797447 × 10^6
Prime Factorization
11 × 1890677
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20797447
Product of the distinct prime numbers
The prime factorization of 20797447 is 11 × 1890677.
Since it has a total of 2 prime factors.
8 , 6 , 37 , 69 , 266 , 143 , 6590 , 8808 , 99212 , 59290 , 688113 , 448194 , 8710882 , 7336557 , 29895465 , 71747302 , 235561126 , 509745242 , 3516311374 , 6313325440
n×2
41594894
n×3
62392341
n×4
83189788
n×5
103987235
n÷2
10398723.5
n÷3
6932482.3333333
n÷3
5199361.75
n÷5
4159489.4
n2
432533801717809
n3
8.9955988169346E+21
n4
1.8708548962846E+29
n5
3.890900555017E+36
2 √n
4560.4218006671
3 √n
275.00252118901
4 √n
67.530895156714
5 √n
29.080509098868
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
-20797446
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 20797447 can be divided by 4 positive divisors.
The sum of these divisors (counting 20797447) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101100000000111
3
Ternary
1110010121201211
4
Quaternary
1033111200013
5
Quinary
20311004242
6
Senary
2021432251
8
Octal
117254007
10
Decimal
20797447
12
Duodecimal
6b6b687
16
Hexadecimal
13d5807
20
Vigesimal
69jdc7
36
Base36
cdrev
md5
982cae106de4d5b9b232c57fff5cdc12
sha1
a475366e7f47cd4a9714a17e5f6d991cd5f1276e
sha256
8636beb92c1afdfc62eabe96db759068a7c77784c6d527276ef503fb58c9ff64
sha512
7cad1e2ba0d5d3b6e0591fc0d2f13907c9f24c5b8e2b4a6504945fe4b196c29dd443309b1ac9fcb32c1bd0aecb34d1ca3110cc7864aea8d4cdaaed16fb2f888a
ripemd-160
2c8befb688ad96205e638ead6b47cc203be03aef
Diameter
41594894
Circumference
130674213.41725
Area
1.3588450139059E+15
Volume
3.7680676210564E+22
Surface area
5.4353800556237E+15
Circumference
130674213.41725
Perimeter
83189788
Area
432533801717809
Diagonal
29412031.610136
Surface area
2595202810306854
Volume
8.9955988169346E+21
Space diagonal
36022234.871721
Perimeter
62392341
Area
1.8729263014154E+14
Altitude
18011117.43586
Surface area
1.8729263014154E+14
Volume
1.0601414873814E+21
Height
9804010.5367119