20291745 (number)

20291745 is an odd 8-digits composite number following 20291744 and preceding 20291746. In scientific notation, it is written as 2.0291745 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 10822256 positive integers (up to 20291745) that are relatively prime to 20291745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0291745 × 10^7
Engineering notation 2.0291745 × 10^6

Prime Factorization of 20291745

Prime Factorization 15 × 1352783

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20291745
Product of the distinct prime numbers

The prime factorization of 20291745 is 15 × 1352783. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20291745)

Multiplication

n×y
n×2 40583490
n×3 60875235
n×4 81166980
n×5 101458725

Division

n÷y
n÷2 10145872.5
n÷3 6763915
n÷3 5072936.25
n÷5 4058349

Exponentiation

ny
n2 411754915145025
n3 8.3552257406195E+21
n4 1.6954211014609E+29
n5 3.4403052658463E+36

Nth Root

y√n
2√n 4504.6359453345
3√n 272.7552583908
4√n 67.116584726389
5√n 28.937691288092

Divisors of 20291745

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 -20291744
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 20291745 can be divided by 4 positive divisors. The sum of these divisors (counting 20291745) is 1, the average is 0.25.

Base conversion 20291745

Base System Value
2 Binary 1001101011010000010100001
3 Ternary 1102011221001010
4 Quaternary 1031122002201
5 Quinary 20143313440
6 Senary 2002531133
8 Octal 115320241
10 Decimal 20291745
12 Duodecimal 6966aa9
16 Hexadecimal 135a0a1
20 Vigesimal 66g975
36 Base36 c2x7l

Cryptographic Hash Functions

md5 735a16c38a85717b7ca7231c75f68308
sha1 74a64f2b7e3c21c51a961e016ee287d2542cd434
sha256 bfda98e8c63a9687c02ab0b3dc10458948c88d0eeb6d1c653173607901dc9306
sha512 f809a2aef79913d6034e5206387ba023fa2200842167bde068abb774e4f001157220f375f2c368374d00d130878532a1b59437ee0fa71a378ddf258fcfb74313
ripemd-160 e5825362d0565852326870b7bad0ed786234d950

20291745 as geometric shapes

Circle

Radius = n
Diameter 40583490
Circumference 127496794.04103
Area 1.2935662164991E+15

Sphere

Radius = n
Volume 3.4998287741086E+22
Surface area 5.1742648659964E+15
Circumference 127496794.04103

Square

Length = n
Perimeter 81166980
Area 411754915145025
Diagonal 28696860.983216

Cube

Length = n
Surface area 2470529490870150
Volume 8.3552257406195E+21
Space diagonal 35146333.314232

Equilateral Triangle

Length = n
Perimeter 60875235
Area 1.7829510832435E+14
Altitude 17573166.657116

Triangular Pyramid

Length = n
Surface area 1.7829510832435E+14
Volume 9.8467279658941E+20
Height 9565620.3277388