20019491 (number)

20019491 is an odd 8-digits composite number following 20019490 and preceding 20019492. In scientific notation, it is written as 2.0019491 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 19884984 positive integers (up to 20019491) that are relatively prime to 20019491.

Interesting facts

Basic properties

Name

Name twenty million nineteen thousand four hundred ninety-one

Notation

Scientific notation 2.0019491 × 10^7
Engineering notation 2.0019491 × 10^6

Prime Factorization of 20019491

Prime Factorization 149 × 134359

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20019491
Product of the distinct prime numbers

The prime factorization of 20019491 is 149 × 134359. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20019491)

Multiplication

n×y
n×2 40038982
n×3 60058473
n×4 80077964
n×5 100097455

Division

n÷y
n÷2 10009745.5
n÷3 6673163.6666667
n÷3 5004872.75
n÷5 4003898.2

Exponentiation

ny
n2 400780019899081
n3 8.0234120013495E+21
n4 1.6062462435031E+29
n5 3.2156232215594E+36

Nth Root

y√n
2√n 4474.3145843805
3√n 271.52991088669
4√n 66.890317568244
5√n 28.859619859877

Divisors of 20019491

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 -20019490
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 20019491 can be divided by 4 positive divisors. The sum of these divisors (counting 20019491) is 1, the average is 0.25.

Base conversion 20019491

Base System Value
2 Binary 1001100010111100100100011
3 Ternary 1101200002120122
4 Quaternary 1030113210203
5 Quinary 20111110431
6 Senary 1553030455
8 Octal 114274443
10 Decimal 20019491
12 Duodecimal 685542b
16 Hexadecimal 1317923
20 Vigesimal 6528eb
36 Base36 bx34z

Cryptographic Hash Functions

md5 e2cb80e372518580c56255e0266e55ab
sha1 062e42c442f2b0cd4080214c78a3551937f88c1a
sha256 fca9cc98697f9e55a44afb5fff7f50bf28629e163a77254fcb4502c5110a5493
sha512 849beac2c0c0686fe7b48b34a3e3b393ca0e54c3fccf4345032912df0c4edae8d7c232d3f1803376bf1e0f6243ea936e4aaca442d9d507eeb90d1ba65a9f7e49
ripemd-160 5f3910295eadaf0a40b96eb676399a4af3ce2ac4

20019491 as geometric shapes

Circle

Radius = n
Diameter 40038982
Circumference 125786171.70841
Area 1.2590875662205E+15

Sphere

Radius = n
Volume 3.3608389600218E+22
Surface area 5.0363502648821E+15
Circumference 125786171.70841

Square

Length = n
Perimeter 80077964
Area 400780019899081
Diagonal 28311835.684006

Cube

Length = n
Surface area 2404680119394486
Volume 8.0234120013495E+21
Space diagonal 34674775.553668

Equilateral Triangle

Length = n
Perimeter 60058473
Area 1.7354283928092E+14
Altitude 17337387.776834

Triangular Pyramid

Length = n
Surface area 1.7354283928092E+14
Volume 9.4556817240129E+20
Height 9437278.5613354