20018405 (number)

20018405 is an odd 8-digits composite number following 20018404 and preceding 20018406. In scientific notation, it is written as 2.0018405 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 13780800 positive integers (up to 20018405) that are relatively prime to 20018405.

Interesting facts

Basic properties

Name

Name twenty million eighteen thousand four hundred five

Notation

Scientific notation 2.0018405 × 10^7
Engineering notation 2.0018405 × 10^6

Prime Factorization of 20018405

Prime Factorization 5 × 11 × 31 × 59 × 199

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20018405
Product of the distinct prime numbers

The prime factorization of 20018405 is 5 × 11 × 31 × 59 × 199. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 17, 58, 376, 306, 4714, 5096, 30120, 67056, 610958, 267951, 1342566, 5974381, 73573543, 79639657, 494433015, 448191911, 5124456571, 766976806

Basic calculations (n = 20018405)

Multiplication

n×y
n×2 40036810
n×3 60055215
n×4 80073620
n×5 100092025

Division

n÷y
n÷2 10009202.5
n÷3 6672801.6666667
n÷3 5004601.25
n÷5 4003681

Exponentiation

ny
n2 400736538744025
n3 8.0221063308761E+21
n4 1.6058977348454E+29
n5 3.2147511244718E+36

Nth Root

y√n
2√n 4474.1932233644
3√n 271.52500089146
4√n 66.889410397793
5√n 28.859306742753

Divisors of 20018405

1, 5, 11, 31, 55, 59, 155, 199, 295, 341, 649, 995, 1705, 1829, 2189, 3245, 6169, 9145, 10945, 11741, 20119, 30845, 58705, 67859, 100595, 129151, 339295, 363971, 645755, 1819855, 4003681, 20018405

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20018404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20018405 can be divided by 32 positive divisors. The sum of these divisors (counting 20018405) is 1, the average is 0.03125.

Base conversion 20018405

Base System Value
2 Binary 1001100010111010011100101
3 Ternary 1101200001002102
4 Quaternary 1030113103211
5 Quinary 20111042110
6 Senary 1553021445
8 Octal 114272345
10 Decimal 20018405
12 Duodecimal 6854885
16 Hexadecimal 13174e5
20 Vigesimal 652605
36 Base36 bx2at

Cryptographic Hash Functions

md5 626ca3212f20450cf410d619153d44da
sha1 f4d1b20702f6f3f31cde2eb047f98ab5870f2a02
sha256 05e4708bd17ba9efe10a70dad62d1121e1b18adbe97fb9de4458bd156325fd19
sha512 6a800e0d520e47b416f6bd288967a0d55fdd5d36dde5917e51eaf142599252472cb33f258283f55706a87ec0e9fd09eefcee2b32328f6362ce2866953040a117
ripemd-160 9b15ece3f30a9d57633b79b7f8bd1c4c9273695d

20018405 as geometric shapes

Circle

Radius = n
Diameter 40036810
Circumference 125779348.16917
Area 1.2589509661432E+15

Sphere

Radius = n
Volume 3.3602920420529E+22
Surface area 5.0358038645729E+15
Circumference 125779348.16917

Square

Length = n
Perimeter 80073620
Area 400736538744025
Diagonal 28310299.848077

Cube

Length = n
Surface area 2404419232464150
Volume 8.0221063308761E+21
Space diagonal 34672894.546491

Equilateral Triangle

Length = n
Perimeter 60055215
Area 1.7352401138849E+14
Altitude 17336447.273245

Triangular Pyramid

Length = n
Surface area 1.7352401138849E+14
Volume 9.4541429766034E+20
Height 9436766.6160258