490 (number)

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.

Interesting facts

Basic properties

Name

Name four hundred ninety

Notation

Scientific notation 4.90 × 10^2
Engineering notation 4.90 × 10^0

Prime Factorization of 490

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.

Most popular turbo-numbers

Basic calculations (n = 490)

Multiplication

n×y
n×2 980
n×3 1470
n×4 1960
n×5 2450

Division

n÷y
n÷2 245
n÷3 163.33333333333
n÷3 122.5
n÷5 98

Exponentiation

ny
n2 240100
n3 117649000
n4 57648010000
n5 28247524900000

Nth Root

y√n
2√n 22.135943621179
3√n 7.8837351631052
4√n 4.7048850805496
5√n 3.4517490659801

Divisors of 490

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 conversion 490

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

Cryptographic Hash Functions

md5 c410003ef13d451727aeff9082c29a5c
sha1 1b0a69d74c5ab68f9e3505f103f40618a51e5987
sha256 cbd02d97b0731d88c78d30c20d90492b2d4c3f2f983931c38fef2dedc7ce48d4
sha512 e25c04bd6ee67e4f1550798ebc8e3a13df2e668d314a9ff9cbe7d4657d5ef35541535ef5b58458a90e19c04d673392fca7d11c46265320e3bcc463f47c864efe
ripemd-160 12f5005815a127699fbe130ef45d80d0a9a9b677

490 as geometric shapes

Circle

Radius = n
Diameter 980
Circumference 3078.760800518
Area 754296.39612691

Sphere

Radius = n
Volume 492806978.80291
Surface area 3017185.5845076
Circumference 3078.760800518

Square

Length = n
Perimeter 1960
Area 240100
Diagonal 692.96464556282

Cube

Length = n
Surface area 1440600
Volume 117649000
Space diagonal 848.70489570875

Equilateral Triangle

Length = n
Perimeter 1470
Area 103966.34972432
Altitude 424.35244785437

Triangular Pyramid

Length = n
Surface area 103966.34972432
Volume 13865067.616636
Height 230.98821518761