2491 (number)

2491 is an odd 4-digits composite number following 2490 and preceding 2492. In scientific notation, it is written as 2.491 × 10^3. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 2392 positive integers (up to 2491) that are relatively prime to 2491.

Interesting facts

Basic properties

Name

Name two thousand four hundred ninety-one

Notation

Scientific notation 2.491 × 10^3
Engineering notation 2.491 × 10^3

Prime Factorization of 2491

Prime Factorization 47 × 53

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2491
Product of the distinct prime numbers

The prime factorization of 2491 is 47 × 53. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2491)

Multiplication

n×y
n×2 4982
n×3 7473
n×4 9964
n×5 12455

Division

n÷y
n÷2 1245.5
n÷3 830.33333333333
n÷3 622.75
n÷5 498.2

Exponentiation

ny
n2 6205081
n3 15456856771
n4 38503030216561
n5 95911048269453451

Nth Root

y√n
2√n 49.909918853871
3√n 13.555781994286
4√n 7.0646952414008
5√n 4.7783146614838

Divisors of 2491

1, 47, 53, 2491

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 -2490
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 2491 can be divided by 4 positive divisors. The sum of these divisors (counting 2491) is 1, the average is 0.25.

Base conversion 2491

Base System Value
2 Binary 100110111011
3 Ternary 10102021
4 Quaternary 212323
5 Quinary 34431
6 Senary 15311
8 Octal 4673
10 Decimal 2491
12 Duodecimal 1537
16 Hexadecimal 9bb
20 Vigesimal 64b
36 Base36 1x7

Cryptographic Hash Functions

md5 01a0683665f38d8e5e567b3b15ca98bf
sha1 82f752807893c63f06db6a25fe56160403214fb3
sha256 dc7d6256d124bcc9244d6d0e437beabded4b25d4fbf77ccb595375b8f5f1e903
sha512 856e740801bf35defc00762472a14cdd4aae90fdf63b6ba5dc04ba831c1a61cfa24a34fe85ab1791bed50668ee6049c7707b17207b5e6f6076995abed723eb57
ripemd-160 40e618dbb66e01b940a8dde3262fa900408ed6cc

2491 as geometric shapes

Circle

Radius = n
Diameter 4982
Circumference 15651.414600184
Area 19493836.88453

Sphere

Radius = n
Volume 64745530239.151
Surface area 77975347.538118
Circumference 15651.414600184

Square

Length = n
Perimeter 9964
Area 6205081
Diagonal 3522.8059838714

Cube

Length = n
Surface area 37230486
Volume 15456856771
Space diagonal 4314.5385616541

Equilateral Triangle

Length = n
Perimeter 7473
Area 2686878.8892701
Altitude 2157.269280827

Triangular Pyramid

Length = n
Surface area 2686878.8892701
Volume 1821608039.7672
Height 1174.2686612905