20130749 (number)

20130749 is an odd 8-digits composite number following 20130748 and preceding 20130750. In scientific notation, it is written as 2.0130749 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 19481340 positive integers (up to 20130749) that are relatively prime to 20130749.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand seven hundred forty-nine

Notation

Scientific notation 2.0130749 × 10^7
Engineering notation 2.0130749 × 10^6

Prime Factorization of 20130749

Prime Factorization 31 × 649379

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20130749
Product of the distinct prime numbers

The prime factorization of 20130749 is 31 × 649379. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20130749)

Multiplication

n×y
n×2 40261498
n×3 60392247
n×4 80522996
n×5 100653745

Division

n÷y
n÷2 10065374.5
n÷3 6710249.6666667
n÷3 5032687.25
n÷5 4026149.8

Exponentiation

ny
n2 405247055301001
n3 8.1579267532536E+21
n4 1.6422517583013E+29
n5 3.3059757941173E+36

Nth Root

y√n
2√n 4486.7303239664
3√n 272.03198964156
4√n 66.983059977627
5√n 28.891626163791

Divisors of 20130749

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 -20130748
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 20130749 can be divided by 4 positive divisors. The sum of these divisors (counting 20130749) is 1, the average is 0.25.

Base conversion 20130749

Base System Value
2 Binary 1001100110010101110111101
3 Ternary 1101212202012022
4 Quaternary 1030302232331
5 Quinary 20123140444
6 Senary 1555245525
8 Octal 114625675
10 Decimal 20130749
12 Duodecimal 68a98a5
16 Hexadecimal 1332bbd
20 Vigesimal 65g6h9
36 Base36 bzgzh

Cryptographic Hash Functions

md5 4ac7053ed436e8d5bc76399d0b93d222
sha1 e9ec149fe7960d0a4b13ac1bd5bbafe0635636ec
sha256 13b755a0e3f03eabe246b3002b30c5e5016fad354b98df152ec7780b6b321614
sha512 50f05121ff7ef164e81d0f8018863d46c982c2bf57e3705d01ff0d1f5e9b0fc85addfda514f33665e244222ac4e0476d21105d6945a084f88bdf8c14e4e9567d
ripemd-160 43a9ecf07597c6ba76eada64b393018d4d3a059d

20130749 as geometric shapes

Circle

Radius = n
Diameter 40261498
Circumference 126485226.33932
Area 1.2731211718225E+15

Sphere

Radius = n
Volume 3.4171843675393E+22
Surface area 5.0924846872901E+15
Circumference 126485226.33932

Square

Length = n
Perimeter 80522996
Area 405247055301001
Diagonal 28469178.256529

Cube

Length = n
Surface area 2431482331806006
Volume 8.1579267532536E+21
Space diagonal 34867480.062416

Equilateral Triangle

Length = n
Perimeter 60392247
Area 1.7547712234975E+14
Altitude 17433740.031208

Triangular Pyramid

Length = n
Surface area 1.7547712234975E+14
Volume 9.6142088794146E+20
Height 9489726.0855095