19491490 (number)

19491490 is an even 8-digits composite number following 19491489 and preceding 19491491. In scientific notation, it is written as 1.9491490 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 7736560 positive integers (up to 19491490) that are relatively prime to 19491490.

Interesting facts

Basic properties

Name

Name nineteen million four hundred ninety-one thousand four hundred ninety

Notation

Scientific notation 1.9491490 × 10^7
Engineering notation 1.9491490 × 10^6

Prime Factorization of 19491490

Prime Factorization 2 × 5 × 131 × 14879

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19491490
Product of the distinct prime numbers

The prime factorization of 19491490 is 2 × 5 × 131 × 14879. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19491490)

Multiplication

n×y
n×2 38982980
n×3 58474470
n×4 77965960
n×5 97457450

Division

n÷y
n÷2 9745745
n÷3 6497163.3333333
n÷3 4872872.5
n÷5 3898298

Exponentiation

ny
n2 379918182420100
n3 7.4051714534596E+21
n4 1.4433782533339E+29
n5 2.8133592791076E+36

Nth Root

y√n
2√n 4414.9167602572
3√n 269.12147008719
4√n 66.444839982178
5√n 28.705757247457

Divisors of 19491490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19491489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19491490 can be divided by 16 positive divisors. The sum of these divisors (counting 19491490) is 1, the average is 0.0625.

Base conversion 19491490

Base System Value
2 Binary 1001010010110101010100010
3 Ternary 1100200021022001
4 Quaternary 1022112222202
5 Quinary 14442211430
6 Senary 1533434214
8 Octal 112265242
10 Decimal 19491490
12 Duodecimal 663b96a
16 Hexadecimal 1296aa2
20 Vigesimal 61g8ea
36 Base36 blrqa

Cryptographic Hash Functions

md5 57ba244a45ae216deaba933b32f4c2b6
sha1 4bfb79d9460864e2eff7adb8a0abdbfe7f593524
sha256 4fbf74b3a5d454276fb6ea8c8ddf83aa2961fa669575a6afdd0faf3ec4dda810
sha512 f7d881e0de4e675190c10abdd5e809deec817d6f06ea53525e128618a8343bd9cd1593ee3e8a38c532136cc4e83a40c95d752541e9227b92c8a9630a879245ae
ripemd-160 6a548294ad7da4596633a5acc31884fe7208fffc

19491490 as geometric shapes

Circle

Radius = n
Diameter 38982980
Circumference 122468643.58304
Area 1.1935481708562E+15

Sphere

Radius = n
Volume 3.1018709649015E+22
Surface area 4.7741926834247E+15
Circumference 122468643.58304

Square

Length = n
Perimeter 77965960
Area 379918182420100
Diagonal 27565129.50886

Cube

Length = n
Surface area 2279509094520600
Volume 7.4051714534596E+21
Space diagonal 33760250.995221

Equilateral Triangle

Length = n
Perimeter 58474470
Area 1.6450939866771E+14
Altitude 16880125.49761

Triangular Pyramid

Length = n
Surface area 1.6450939866771E+14
Volume 8.7270782509838E+20
Height 9188376.5029532