19493721 (number)

19493721 is an odd 8-digits composite number following 19493720 and preceding 19493722. In scientific notation, it is written as 1.9493721 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 11996064 positive integers (up to 19493721) that are relatively prime to 19493721.

Interesting facts

Basic properties

Name

Name nineteen million four hundred ninety-three thousand seven hundred twenty-one

Notation

Scientific notation 1.9493721 × 10^7
Engineering notation 1.9493721 × 10^6

Prime Factorization of 19493721

Prime Factorization 9 × 13 × 166613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19493721
Product of the distinct prime numbers

The prime factorization of 19493721 is 9 × 13 × 166613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19493721)

Multiplication

n×y
n×2 38987442
n×3 58481163
n×4 77974884
n×5 97468605

Division

n÷y
n÷2 9746860.5
n÷3 6497907
n÷3 4873430.25
n÷5 3898744.2

Exponentiation

ny
n2 380005158425841
n3 7.4077145369141E+21
n4 1.4440392043025E+29
n5 2.8149697361735E+36

Nth Root

y√n
2√n 4415.1694191729
3√n 269.13173759527
4√n 66.446741223125
5√n 28.706414350762

Divisors of 19493721

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 -19493720
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 19493721 can be divided by 8 positive divisors. The sum of these divisors (counting 19493721) is 1, the average is 0.125.

Base conversion 19493721

Base System Value
2 Binary 1001010010111001101011001
3 Ternary 1100200101100200
4 Quaternary 1022113031121
5 Quinary 14442244341
6 Senary 1533452413
8 Octal 112271531
10 Decimal 19493721
12 Duodecimal 6641109
16 Hexadecimal 1297359
20 Vigesimal 61ge61
36 Base36 bltg9

Cryptographic Hash Functions

md5 9a254399ece26e4783d92a1dfc5c429b
sha1 4766087af888f2e10f1d9898ee26c87661e3c4ad
sha256 f1fc3f1210dbe93b8b9509eb6bf1038144985e82fb7cb34ba7b5ce0f42c72833
sha512 0831340c38452f5e364444c967543fc0d0711c5fa9d6b67ae0ac7be48691907ffe74199fc79dda32696eb49d288324c234431edf7c8d5e720212c61a67bfe7b3
ripemd-160 a8a5c61a0b74870ef020c867c60bd97305a281bd

19493721 as geometric shapes

Circle

Radius = n
Diameter 38987442
Circumference 122482661.36946
Area 1.1938214140368E+15

Sphere

Radius = n
Volume 3.102936209208E+22
Surface area 4.7752856561474E+15
Circumference 122482661.36946

Square

Length = n
Perimeter 77974884
Area 380005158425841
Diagonal 27568284.619317

Cube

Length = n
Surface area 2280030950555046
Volume 7.4077145369141E+21
Space diagonal 33764115.200572

Equilateral Triangle

Length = n
Perimeter 58481163
Area 1.6454706038295E+14
Altitude 16882057.600286

Triangular Pyramid

Length = n
Surface area 1.6454706038295E+14
Volume 8.7300753035769E+20
Height 9189428.2064391