20145291 (number)

20145291 is an odd 8-digits composite number following 20145290 and preceding 20145292. In scientific notation, it is written as 2.0145291 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13430192 positive integers (up to 20145291) that are relatively prime to 20145291.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand two hundred ninety-one

Notation

Scientific notation 2.0145291 × 10^7
Engineering notation 2.0145291 × 10^6

Prime Factorization of 20145291

Prime Factorization 3 × 6715097

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145291
Product of the distinct prime numbers

The prime factorization of 20145291 is 3 × 6715097. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145291)

Multiplication

n×y
n×2 40290582
n×3 60435873
n×4 80581164
n×5 100726455

Division

n÷y
n÷2 10072645.5
n÷3 6715097
n÷3 5036322.75
n÷5 4029058.2

Exponentiation

ny
n2 405832749474681
n3 8.1756188354975E+21
n4 1.6470022054618E+29
n5 3.317933870667E+36

Nth Root

y√n
2√n 4488.3505879109
3√n 272.09747713745
4√n 66.995153465836
5√n 28.89579909029

Divisors of 20145291

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 -20145290
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 20145291 can be divided by 4 positive divisors. The sum of these divisors (counting 20145291) is 1, the average is 0.25.

Base conversion 20145291

Base System Value
2 Binary 1001100110110010010001011
3 Ternary 1101220111010220
4 Quaternary 1030312102023
5 Quinary 20124122131
6 Senary 1555441123
8 Octal 114662213
10 Decimal 20145291
12 Duodecimal 68b61a3
16 Hexadecimal 133648b
20 Vigesimal 65i34b
36 Base36 bzs7f

Cryptographic Hash Functions

md5 7f57f2da89c4de888db7660f881b27db
sha1 985f816212eb3cab8e90f7bae581ea49568e0630
sha256 7efe8305d11a949397e430cc42e3561d79da7ea47f0fb9e98f88a10688f517af
sha512 2b8e39b60995f02f4b5936575fff1e162cb295b1fd90147b29b2d47bf87d0a93469eeac02478530b986714ae75d8578ab6cb8fcad9c4b8d90280af9747afcaa1
ripemd-160 a5d6ceb3c307e9b420c2b4872e64b141447d4365

20145291 as geometric shapes

Circle

Radius = n
Diameter 40290582
Circumference 126576596.42006
Area 1.2749611843358E+15

Sphere

Radius = n
Volume 3.4245952096199E+22
Surface area 5.0998447373432E+15
Circumference 126576596.42006

Square

Length = n
Perimeter 80581164
Area 405832749474681
Diagonal 28489743.750153

Cube

Length = n
Surface area 2434996496848086
Volume 8.1756188354975E+21
Space diagonal 34892667.54526

Equilateral Triangle

Length = n
Perimeter 60435873
Area 1.7573073536638E+14
Altitude 17446333.77263

Triangular Pyramid

Length = n
Surface area 1.7573073536638E+14
Volume 9.6350591982946E+20
Height 9496581.2500509