20520145 (number)

20520145 is an odd 8-digits composite number following 20520144 and preceding 20520146. In scientific notation, it is written as 2.0520145 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 16306800 positive integers (up to 20520145) that are relatively prime to 20520145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0520145 × 10^7
Engineering notation 2.0520145 × 10^6

Prime Factorization of 20520145

Prime Factorization 5 × 151 × 27179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20520145
Product of the distinct prime numbers

The prime factorization of 20520145 is 5 × 151 × 27179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20520145)

Multiplication

n×y
n×2 41040290
n×3 61560435
n×4 82080580
n×5 102600725

Division

n÷y
n÷2 10260072.5
n÷3 6840048.3333333
n÷3 5130036.25
n÷5 4104029

Exponentiation

ny
n2 421076350821025
n3 8.6405477749183E+21
n4 1.7730529322075E+29
n5 3.6383303261573E+36

Nth Root

y√n
2√n 4529.9166659002
3√n 273.77480297636
4√n 67.304655603458
5√n 29.002543380125

Divisors of 20520145

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 -20520144
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 20520145 can be divided by 8 positive divisors. The sum of these divisors (counting 20520145) is 1, the average is 0.125.

Base conversion 20520145

Base System Value
2 Binary 1001110010001110011010001
3 Ternary 1102121112100101
4 Quaternary 1032101303101
5 Quinary 20223121040
6 Senary 2011452401
8 Octal 116216321
10 Decimal 20520145
12 Duodecimal 6a57101
16 Hexadecimal 1391cd1
20 Vigesimal 685075
36 Base36 c7tg1

Cryptographic Hash Functions

md5 644fbf4abe633602916d2032839b415d
sha1 bd9e08c700cf6eac9c17216929fce02326cf74cc
sha256 46b5c0a62eab146ae0db381ccf7ec0d9345634871661fb34b858329090184576
sha512 b1b41f5b730eada21901695709d9ef14935aacd7f584eaf12bb48f1340c43efd710850cdc8ac85163b781c0f9b8bdc2d547169d127825def1db6ada44276d806
ripemd-160 3e78142511026809390f276788569af577989d33

20520145 as geometric shapes

Circle

Radius = n
Diameter 41040290
Circumference 128931873.56519
Area 1.3228503703397E+15

Sphere

Radius = n
Volume 3.6193441883567E+22
Surface area 5.2914014813589E+15
Circumference 128931873.56519

Square

Length = n
Perimeter 82080580
Area 421076350821025
Diagonal 29019867.360862

Cube

Length = n
Surface area 2526458104926150
Volume 8.6405477749183E+21
Space diagonal 35541933.71868

Equilateral Triangle

Length = n
Perimeter 61560435
Area 1.8233140837193E+14
Altitude 17770966.85934

Triangular Pyramid

Length = n
Surface area 1.8233140837193E+14
Volume 1.0182983208018E+21
Height 9673289.1202875