20402405 (number)

20402405 is an odd 8-digits composite number following 20402404 and preceding 20402406. In scientific notation, it is written as 2.0402405 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 16098048 positive integers (up to 20402405) that are relatively prime to 20402405.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand four hundred five

Notation

Scientific notation 2.0402405 × 10^7
Engineering notation 2.0402405 × 10^6

Prime Factorization of 20402405

Prime Factorization 5 × 73 × 55897

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402405
Product of the distinct prime numbers

The prime factorization of 20402405 is 5 × 73 × 55897. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402405)

Multiplication

n×y
n×2 40804810
n×3 61207215
n×4 81609620
n×5 102012025

Division

n÷y
n÷2 10201202.5
n÷3 6800801.6666667
n÷3 5100601.25
n÷5 4080481

Exponentiation

ny
n2 416258129784025
n3 8.4926669483962E+21
n4 1.7327083061129E+29
n5 3.535141660818E+36

Nth Root

y√n
2√n 4516.9021463831
3√n 273.25017878322
4√n 67.207902410231
5√n 28.969184709436

Divisors of 20402405

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 -20402404
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 20402405 can be divided by 8 positive divisors. The sum of these divisors (counting 20402405) is 1, the average is 0.125.

Base conversion 20402405

Base System Value
2 Binary 1001101110101000011100101
3 Ternary 1102101112211122
4 Quaternary 1031311003211
5 Quinary 20210334110
6 Senary 2005143325
8 Octal 115650345
10 Decimal 20402405
12 Duodecimal 69bab45
16 Hexadecimal 13750e5
20 Vigesimal 67a605
36 Base36 c5alh

Cryptographic Hash Functions

md5 8ffde6e1fa1489ea8f7e8b50c857ac2f
sha1 2a03d3d4ed557bb1fe0e01f0d352c35672d5484b
sha256 b4659a9300730a7b0129f748cb6ff0c1d091a53a0f67cfcc15ac590fb1816a05
sha512 f807f06be72363acccefedf5113291601d9b30a031fc577412f335d5e27fbcaada7d84914c75f5e9b7fc691490a18c03e0488145728d74ad7808fccd2c4be751
ripemd-160 9b51642cbb0528a5e883a576925ec5b7e04e915c

20402405 as geometric shapes

Circle

Radius = n
Diameter 40804810
Circumference 128192091.32713
Area 1.3077134825265E+15

Sphere

Radius = n
Volume 3.5574000125955E+22
Surface area 5.2308539301061E+15
Circumference 128192091.32713

Square

Length = n
Perimeter 81609620
Area 416258129784025
Diagonal 28853357.856029

Cube

Length = n
Surface area 2497548778704150
Volume 8.4926669483962E+21
Space diagonal 35338002.056597

Equilateral Triangle

Length = n
Perimeter 61207215
Area 1.8024505746238E+14
Altitude 17669001.028299

Triangular Pyramid

Length = n
Surface area 1.8024505746238E+14
Volume 1.0008703982616E+21
Height 9617785.9520095