20145813 (number)

20145813 is an odd 8-digits composite number following 20145812 and preceding 20145814. In scientific notation, it is written as 2.0145813 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13430540 positive integers (up to 20145813) that are relatively prime to 20145813.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eight hundred thirteen

Notation

Scientific notation 2.0145813 × 10^7
Engineering notation 2.0145813 × 10^6

Prime Factorization of 20145813

Prime Factorization 3 × 6715271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145813
Product of the distinct prime numbers

The prime factorization of 20145813 is 3 × 6715271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145813)

Multiplication

n×y
n×2 40291626
n×3 60437439
n×4 80583252
n×5 100729065

Division

n÷y
n÷2 10072906.5
n÷3 6715271
n÷3 5036453.25
n÷5 4029162.6

Exponentiation

ny
n2 405853781430969
n3 8.1762543860512E+21
n4 1.6471729190182E+29
n5 3.3183637605204E+36

Nth Root

y√n
2√n 4488.4087380719
3√n 272.09982729224
4√n 66.995587452249
5√n 28.895948836956

Divisors of 20145813

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 -20145812
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 20145813 can be divided by 4 positive divisors. The sum of these divisors (counting 20145813) is 1, the average is 0.25.

Base conversion 20145813

Base System Value
2 Binary 1001100110110011010010101
3 Ternary 1101220111212020
4 Quaternary 1030312122111
5 Quinary 20124131223
6 Senary 1555443353
8 Octal 114663225
10 Decimal 20145813
12 Duodecimal 68b6559
16 Hexadecimal 1336695
20 Vigesimal 65i4ad
36 Base36 bzslx

Cryptographic Hash Functions

md5 591375b4d58068673ce546d75ef4f504
sha1 6989d0e3befea24e1f3b8c7eff36b5459587a582
sha256 175dbd4f9a98448bb3b7435d9467de4c676277c3acac9dcd63749f8ac48c1a5b
sha512 cb008e8cb8f87057d8222ea0d9c13e07a2770b19d94e249e541a9ccea73cd3f3b3b199a783ad34f3f5a01e63e213012f93c36b0fa2f2044898be978a00ec91e9
ripemd-160 22c346159e49455b5cf99c1b84ebc935c4d63479

20145813 as geometric shapes

Circle

Radius = n
Diameter 40291626
Circumference 126579876.24279
Area 1.2750272581752E+15

Sphere

Radius = n
Volume 3.4248614284133E+22
Surface area 5.1001090327007E+15
Circumference 126579876.24279

Square

Length = n
Perimeter 80583252
Area 405853781430969
Diagonal 28490481.969632

Cube

Length = n
Surface area 2435122688585814
Volume 8.1762543860512E+21
Space diagonal 34893571.675782

Equilateral Triangle

Length = n
Perimeter 60437439
Area 1.757398424706E+14
Altitude 17446785.837891

Triangular Pyramid

Length = n
Surface area 1.757398424706E+14
Volume 9.6358082018051E+20
Height 9496827.3232107