20502145 (number)

20502145 is an odd 8-digits composite number following 20502144 and preceding 20502146. In scientific notation, it is written as 2.0502145 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 16385520 positive integers (up to 20502145) that are relatively prime to 20502145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0502145 × 10^7
Engineering notation 2.0502145 × 10^6

Prime Factorization of 20502145

Prime Factorization 5 × 2039 × 2011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20502145
Product of the distinct prime numbers

The prime factorization of 20502145 is 5 × 2039 × 2011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20502145)

Multiplication

n×y
n×2 41004290
n×3 61506435
n×4 82008580
n×5 102510725

Division

n÷y
n÷2 10251072.5
n÷3 6834048.3333333
n÷3 5125536.25
n÷5 4100429

Exponentiation

ny
n2 420337949601025
n3 8.6178295917229E+21
n4 1.7668399187479E+29
n5 3.6224008205958E+36

Nth Root

y√n
2√n 4527.9294384961
3√n 273.6947290122
4√n 67.289891057247
5√n 28.997453464337

Divisors of 20502145

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 -20502144
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 20502145 can be divided by 8 positive divisors. The sum of these divisors (counting 20502145) is 1, the average is 0.125.

Base conversion 20502145

Base System Value
2 Binary 1001110001101011010000001
3 Ternary 1102120121122201
4 Quaternary 1032031122001
5 Quinary 20222032040
6 Senary 2011233201
8 Octal 116153201
10 Decimal 20502145
12 Duodecimal 6a48801
16 Hexadecimal 138d681
20 Vigesimal 682f75
36 Base36 c7fk1

Cryptographic Hash Functions

md5 2e03cc35ce6290fc67848a4eb1176258
sha1 3a21daa8fed25790a77574899d821327c4dd4baa
sha256 b973e204ce1947f957e09425a743bd0091e3cadd16e95e0764f7c05fe8025fc0
sha512 da11641b77b19cb520b95a348242d3db26ce81b2873290bc6bac1024d6a18fcb2b628b880555a0a4282260a57af9021466397eb4a6db4394a2500a3f2534d51e
ripemd-160 5b0a81aed501fcdc11fc7411a4ddc5024024cbcb

20502145 as geometric shapes

Circle

Radius = n
Diameter 41004290
Circumference 128818776.22967
Area 1.3205306144916E+15

Sphere

Radius = n
Volume 3.6098280180327E+22
Surface area 5.2821224579663E+15
Circumference 128818776.22967

Square

Length = n
Perimeter 82008580
Area 420337949601025
Diagonal 28994411.51674

Cube

Length = n
Surface area 2522027697606150
Volume 8.6178295917229E+21
Space diagonal 35510756.804144

Equilateral Triangle

Length = n
Perimeter 61506435
Area 1.8201167126458E+14
Altitude 17755378.402072

Triangular Pyramid

Length = n
Surface area 1.8201167126458E+14
Volume 1.0156209572362E+21
Height 9664803.8389132