20498 is an even 5-digits composite number following 20497
and preceding 20499 . In scientific notation, it is written as 2.0498 × 10^4.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 9936 positive integers (up to 20498) that are relatively prime to 20498.
20498 has 8 divisors, whose sum is 31692
The reverse of 20498 is 89402
Previous prime number is 37
Is Prime? no
Number parity even
Number length 5
Sum of Digits 23
Digital Root 5
Name
twenty thousand four hundred ninety-eight
Scientific notation
2.0498 × 10^4
Engineering notation
2.0498 × 10^3
Prime Factorization
2 × 37 × 277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20498
Product of the distinct prime numbers
The prime factorization of 20498 is 2 × 37 × 277.
Since it has a total of 3 prime factors.
9 , 3 , 66 , 30 , 479 , 992 , 5490 , 2699 , 47352 , 93024 , 400185 , 595741 , 3324743 , 2501659 , 9528227 , 5853711 , 506568026 , 875658471 , 2926791028 , 6889729151
n×2
40996
n×3
61494
n×4
81992
n×5
102490
n÷2
10249
n÷3
6832.6666666667
n÷3
5124.5
n÷5
4099.6
n2
420168004
n3
8612603745992
n4
176541151585344016
n5
3.6187405251964E+21
2 √n
143.17122615945
3 √n
27.367628311929
4 √n
11.965417926652
5 √n
7.2835364465171
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
-20497
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 20498 can be divided by 8 positive divisors.
The sum of these divisors (counting 20498) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000000010010
3
Ternary
1001010012
4
Quaternary
11000102
5
Quinary
1123443
6
Senary
234522
8
Octal
50022
10
Decimal
20498
12
Duodecimal
ba42
16
Hexadecimal
5012
20
Vigesimal
2b4i
36
Base36
fte
md5
2e30b27a08f1f6f59d68db75228c40e0
sha1
b98e3e28f0d53692f4150d2105e43ea68b739788
sha256
218baf8859ef3de1bcc82f7e35bb97ce091812257b62826696e98e367a0e26dd
sha512
4ce44460cbc31ece3f0fcedcc23cf9522ba2e7795001acf814ce570657b467c0f9824a43b1f21be02dc4d3e34ea7f245cefffa12cc2e8a28c9fc6186244366cc
ripemd-160
3bfd6d330185141a49a7cbcf4e882b541eda0371
Diameter
40996
Circumference
128792.73242657
Area
1319996714.6399
Volume
36076390208918
Surface area
5279986858.5595
Circumference
128792.73242657
Perimeter
81992
Area
420168004
Diagonal
28988.549601524
Surface area
2521008024
Volume
8612603745992
Space diagonal
35503.577453547
Perimeter
61494
Area
181938082.6607
Altitude
17751.788726773
Surface area
181938082.6607
Volume
1015005085410.6
Height
9662.8498671746