13405905 (number)

13405905 is an odd 8-digits composite number following 13405904 and preceding 13405906. In scientific notation, it is written as 1.3405905 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 7042464 positive integers (up to 13405905) that are relatively prime to 13405905.

Interesting facts

Basic properties

Name

Name thirteen million four hundred five thousand nine hundred five

Notation

Scientific notation 1.3405905 × 10^7
Engineering notation 1.3405905 × 10^6

Prime Factorization of 13405905

Prime Factorization 3 × 9 × 15 × 79 × 419

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 13405905
Product of the distinct prime numbers

The prime factorization of 13405905 is 3 × 9 × 15 × 79 × 419. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 21, 23, 238, 490, 123, 2056, 27047, 48371, 938550, 854344, 3304333, 1249903, 83691734, 30785770, 332028933, 618221111, 7984073232, 6829168640

Basic calculations (n = 13405905)

Multiplication

n×y
n×2 26811810
n×3 40217715
n×4 53623620
n×5 67029525

Division

n÷y
n÷2 6702952.5
n÷3 4468635
n÷3 3351476.25
n÷5 2681181

Exponentiation

ny
n2 179718288869025
n3 2.4092863073407E+21
n4 3.229866335401E+28
n5 4.3299281255084E+35

Nth Root

y√n
2√n 3661.4075162429
3√n 237.55565823892
4√n 60.509565493754
5√n 26.635400261274

Divisors of 13405905

1, 3, 9, 15, 27, 45, 79, 135, 237, 405, 419, 711, 1185, 1257, 2133, 3555, 3771, 6285, 10665, 11313, 18855, 31995, 33101, 56565, 99303, 169695, 297909, 496515, 893727, 1489545, 4468635, 13405905

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 -13405904
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 13405905 can be divided by 32 positive divisors. The sum of these divisors (counting 13405905) is 1, the average is 0.03125.

Base conversion 13405905

Base System Value
2 Binary 110011001000111011010001
3 Ternary 221020002110000
4 Quaternary 303020323101
5 Quinary 11412442110
6 Senary 1155200213
8 Octal 63107321
10 Decimal 13405905
12 Duodecimal 45a6069
16 Hexadecimal cc8ed1
20 Vigesimal 43fef5
36 Base36 7zc29

Cryptographic Hash Functions

md5 c4db663e41360c29b44d83c456b23c2d
sha1 225770234af2b278ec331d1f9d181634e36daa4a
sha256 e8eac43bf78ea55e7c407bbb06d7f4af392834d2384e5020af3c275310a802c2
sha512 3d8a97f8fd0bf489833e1c3970e5fdf5c36d54ab7f1176be9d7bc320b465eff86ead93bb1f1014521d022c8590cca6dee181764661e19705e36302ae128d29f1
ripemd-160 bdc26a8875ffbcc60ec3b0f0b8abe17a4d17c8c2

13405905 as geometric shapes

Circle

Radius = n
Diameter 26811810
Circumference 84231785.325445
Area 5.6460165602666E+14

Sphere

Radius = n
Volume 1.0091994884715E+22
Surface area 2.2584066241066E+15
Circumference 84231785.325445

Square

Length = n
Perimeter 53623620
Area 179718288869025
Diagonal 18958812.666885

Cube

Length = n
Surface area 1078309733214150
Volume 2.4092863073407E+21
Space diagonal 23219708.581442

Equilateral Triangle

Length = n
Perimeter 40217715
Area 77820301842623
Altitude 11609854.290721

Triangular Pyramid

Length = n
Surface area 77820301842623
Volume 2.8393711429009E+20
Height 6319604.2222951