16405 (number)

16405 is an odd 5-digits composite number following 16404 and preceding 16406. In scientific notation, it is written as 1.6405 × 10^4. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 12288 positive integers (up to 16405) that are relatively prime to 16405.

Interesting facts

Basic properties

Name

Name sixteen thousand four hundred five

Notation

Scientific notation 1.6405 × 10^4
Engineering notation 1.6405 × 10^3

Prime Factorization of 16405

Prime Factorization 5 × 17 × 193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16405
Product of the distinct prime numbers

The prime factorization of 16405 is 5 × 17 × 193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 21, 97, 910, 631, 2160, 7068, 85400, 73480, 92290, 813818, 1560997, 3913495, 63505302, 8679365, 826684601, 944704163, 6721638883, 6054807449

Basic calculations (n = 16405)

Multiplication

n×y
n×2 32810
n×3 49215
n×4 65620
n×5 82025

Division

n÷y
n÷2 8202.5
n÷3 5468.3333333333
n÷3 4101.25
n÷5 3281

Exponentiation

ny
n2 269124025
n3 4414979630125
n4 72427740832200625
n5 1.1881770883523E+21

Nth Root

y√n
2√n 128.08200498118
3√n 25.409263572961
4√n 11.317332061099
5√n 6.9661889005252

Divisors of 16405

1, 5, 17, 85, 193, 965, 3281, 16405

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 -16404
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 16405 can be divided by 8 positive divisors. The sum of these divisors (counting 16405) is 1, the average is 0.125.

Base conversion 16405

Base System Value
2 Binary 100000000010101
3 Ternary 211111121
4 Quaternary 10000111
5 Quinary 1011110
6 Senary 203541
8 Octal 40025
10 Decimal 16405
12 Duodecimal 95b1
16 Hexadecimal 4015
20 Vigesimal 2105
36 Base36 cnp

Cryptographic Hash Functions

md5 2390243c9f76219138eed6daa4beee0f
sha1 d16d2ecc9ead725a8fdbb4f7c66d28392b73c1ad
sha256 11e3e1439725aa9591c44ba28895f703aefac45ddb9c83ba52b47bf521cc8c88
sha512 76ca2e769ce91ae0e7cfe5fe62c3d4647323b1ccb84d7cf9245eddd84f2c512400ff66bde6c34c2f31c2dc707e8f198d557022dfcd292f63eb4b1fbb54ad39cb
ripemd-160 f6dc628674473b795147d3bb9d523012c2fd35f1

16405 as geometric shapes

Circle

Radius = n
Diameter 32810
Circumference 103075.65496428
Area 845478059.84452

Sphere

Radius = n
Volume 18493423428999
Surface area 3381912239.3781
Circumference 103075.65496428

Square

Length = n
Perimeter 65620
Area 269124025
Diagonal 23200.173490731

Cube

Length = n
Surface area 1614744150
Volume 4414979630125
Space diagonal 28414.293498167

Equilateral Triangle

Length = n
Perimeter 49215
Area 116534121.20936
Altitude 14207.146749084

Triangular Pyramid

Length = n
Surface area 116534121.20936
Volume 520310339210.31
Height 7733.3911635769