20497 is an odd 5-digits composite number following 20496
and preceding 20498 . In scientific notation, it is written as 2.0497 × 10^4.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20196 positive integers (up to 20497) that are relatively prime to 20497.
20497 has 4 divisors, whose sum is 20800
The reverse of 20497 is 79402
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 22
Digital Root 4
Name
twenty thousand four hundred ninety-seven
Scientific notation
2.0497 × 10^4
Engineering notation
2.0497 × 10^3
Prime Factorization
103 × 199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20497
Product of the distinct prime numbers
The prime factorization of 20497 is 103 × 199.
Since it has a total of 2 prime factors.
6 , 7 , 47 , 92 , 711 , 426 , 6666 , 3812 , 62479 , 12534 , 241329 , 630224 , 9500181 , 4479683 , 68009384 , 65761772 , 774954058 , 31333682 , 5571251961 , 4079162590
n×2
40994
n×3
61491
n×4
81988
n×5
102485
n÷2
10248.5
n÷3
6832.3333333333
n÷3
5124.25
n÷5
4099.4
n2
420127009
n3
8611343303473
n4
176506703691286081
n5
3.6178579055603E+21
2 √n
143.16773379501
3 √n
27.367183259186
4 √n
11.965271990014
5 √n
7.2834653793049
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
-20496
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 20497 can be divided by 4 positive divisors.
The sum of these divisors (counting 20497) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000000010001
3
Ternary
1001010011
4
Quaternary
11000101
5
Quinary
1123442
6
Senary
234521
8
Octal
50021
10
Decimal
20497
12
Duodecimal
ba41
16
Hexadecimal
5011
20
Vigesimal
2b4h
36
Base36
ftd
md5
30d0c0d6fc91c6b9d1b1b7bba345138b
sha1
d797676d76c7eb7bbe5ec8d0e9aa75973132d0e2
sha256
a512691ac3a5b033bd93326ad4a9ed344e2da67b41cb16a1ea36159a05d23fdc
sha512
dc91694ac6396f829741e91a31f9110857db7fadc5f6fbdb934183bed4682caa7d19d8d9fe559fdfaff955987a1abeecbcb5cbdf91249a45858ec639dc32d033
ripemd-160
a9b6308b1272c21e3436793776325f54a8ba3a79
Diameter
40994
Circumference
128786.44924126
Area
1319867925.0491
Volume
36071110479641
Surface area
5279471700.1962
Circumference
128786.44924126
Perimeter
81988
Area
420127009
Diagonal
28987.135387961
Surface area
2520762054
Volume
8611343303473
Space diagonal
35501.845402739
Perimeter
61491
Area
181920331.30499
Altitude
17750.92270137
Surface area
181920331.30499
Volume
1014856540835.2
Height
9662.3784626538