490 is an even 3-digits composite number following 489
and preceding 491 . In scientific notation, it is written as 4.90 × 10^2.
The sum of its digits is 13. It has a total of 4 prime factors and 12 positive divisors.
There are 168 positive integers (up to 490) that are relatively prime to 490.
490 has 12 divisors, whose sum is 1026
The reverse of 490 is 094
Previous prime number is 5
Is Prime? no
Number parity even
Number length 3
Sum of Digits 13
Digital Root 4
Scientific notation
4.90 × 10^2
Engineering notation
4.90 × 10^0
Prime Factorization
2 × 7 × 5 × 7
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
70
Product of the distinct prime numbers
The prime factorization of 490 is 2 × 7 × 5 × 7.
Since it has a total of 4 prime factors.
2 , 6 , 21 , 38 , 424 , 549 , 2346 , 7164 , 66267 , 37197 , 217261 , 687435 , 8170564 , 2624868 , 37608110 , 35171804 , 99167177 , 453854745 , 2108668325 , 4103062612
n×2
980
n×3
1470
n×4
1960
n×5
2450
n÷2
245
n÷3
163.33333333333
n÷3
122.5
n÷5
98
n2
240100
n3
117649000
n4
57648010000
n5
28247524900000
2 √n
22.135943621179
3 √n
7.8837351631052
4 √n
4.7048850805496
5 √n
3.4517490659801
1 , 2 , 5 , 7 , 10 , 14 , 35 , 49 , 70 , 98 , 245 , 490
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
-489
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 490 can be divided by 12 positive divisors.
The sum of these divisors (counting 490) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010
3
Ternary
200011
4
Quaternary
13222
5
Quinary
3430
6
Senary
2134
8
Octal
752
10
Decimal
490
12
Duodecimal
34a
16
Hexadecimal
1ea
20
Vigesimal
14a
36
Base36
dm
md5
c410003ef13d451727aeff9082c29a5c
sha1
1b0a69d74c5ab68f9e3505f103f40618a51e5987
sha256
cbd02d97b0731d88c78d30c20d90492b2d4c3f2f983931c38fef2dedc7ce48d4
sha512
e25c04bd6ee67e4f1550798ebc8e3a13df2e668d314a9ff9cbe7d4657d5ef35541535ef5b58458a90e19c04d673392fca7d11c46265320e3bcc463f47c864efe
ripemd-160
12f5005815a127699fbe130ef45d80d0a9a9b677
Diameter
980
Circumference
3078.760800518
Area
754296.39612691
Volume
492806978.80291
Surface area
3017185.5845076
Circumference
3078.760800518
Perimeter
1960
Area
240100
Diagonal
692.96464556282
Surface area
1440600
Volume
117649000
Space diagonal
848.70489570875
Perimeter
1470
Area
103966.34972432
Altitude
424.35244785437
Surface area
103966.34972432
Volume
13865067.616636
Height
230.98821518761