20407845 (number)

20407845 is an odd 8-digits composite number following 20407844 and preceding 20407846. In scientific notation, it is written as 2.0407845 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10833600 positive integers (up to 20407845) that are relatively prime to 20407845.

Interesting facts

Basic properties

Name

Name twenty million four hundred seven thousand eight hundred forty-five

Notation

Scientific notation 2.0407845 × 10^7
Engineering notation 2.0407845 × 10^6

Prime Factorization of 20407845

Prime Factorization 15 × 223 × 6101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20407845
Product of the distinct prime numbers

The prime factorization of 20407845 is 15 × 223 × 6101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20407845)

Multiplication

n×y
n×2 40815690
n×3 61223535
n×4 81631380
n×5 102039225

Division

n÷y
n÷2 10203922.5
n÷3 6802615
n÷3 5101961.25
n÷5 4081569

Exponentiation

ny
n2 416480137544025
n3 8.4994620925771E+21
n4 1.7345570496869E+29
n5 3.5398571413668E+36

Nth Root

y√n
2√n 4517.5042888746
3√n 273.27446266668
4√n 67.212381961024
5√n 28.970729385759

Divisors of 20407845

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 -20407844
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 20407845 can be divided by 8 positive divisors. The sum of these divisors (counting 20407845) is 1, the average is 0.125.

Base conversion 20407845

Base System Value
2 Binary 1001101110110011000100101
3 Ternary 1102101211022010
4 Quaternary 1031312120211
5 Quinary 20211022340
6 Senary 2005224433
8 Octal 115663045
10 Decimal 20407845
12 Duodecimal 6a02119
16 Hexadecimal 1376625
20 Vigesimal 67ajc5
36 Base36 c5esl

Cryptographic Hash Functions

md5 5e874492025bdeb5353c9aa33dbcee7a
sha1 981de66441fef26065cd6553c36ab2df28d9195b
sha256 3557e5355fe7ef5a72ee319260f92e16608d6e651cd1bb04338e446fe76aee44
sha512 45a8243f6ec0991ea34a6d23aec20df9a1ea70d038781173c2fba871a5d351aeeca47b8852ecbbbfe69043bdf2ff3f8e209c0f4cc186f8ee505e7668cdadd32a
ripemd-160 717828c353aa106b45a4d227825281d6e39541df

20407845 as geometric shapes

Circle

Radius = n
Diameter 40815690
Circumference 128226271.8552
Area 1.3084109404744E+15

Sphere

Radius = n
Volume 3.560246355934E+22
Surface area 5.2336437618975E+15
Circumference 128226271.8552

Square

Length = n
Perimeter 81631380
Area 416480137544025
Diagonal 28861051.177808

Cube

Length = n
Surface area 2498880825264150
Volume 8.4994620925771E+21
Space diagonal 35347424.41299

Equilateral Triangle

Length = n
Perimeter 61223535
Area 1.8034118964238E+14
Altitude 17673712.206495

Triangular Pyramid

Length = n
Surface area 1.8034118964238E+14
Volume 1.0016712136832E+21
Height 9620350.3926027