20405431 (number)

20405431 is an odd 8-digits composite number following 20405430 and preceding 20405432. In scientific notation, it is written as 2.0405431 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20395872 positive integers (up to 20405431) that are relatively prime to 20405431.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand four hundred thirty-one

Notation

Scientific notation 2.0405431 × 10^7
Engineering notation 2.0405431 × 10^6

Prime Factorization of 20405431

Prime Factorization 3217 × 6343

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20405431
Product of the distinct prime numbers

The prime factorization of 20405431 is 3217 × 6343. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405431)

Multiplication

n×y
n×2 40810862
n×3 61216293
n×4 81621724
n×5 102027155

Division

n÷y
n÷2 10202715.5
n÷3 6801810.3333333
n÷3 5101357.75
n÷5 4081086.2

Exponentiation

ny
n2 416381614295761
n3 8.4964463001808E+21
n4 1.7337364872354E+29
n5 3.5377640262465E+36

Nth Root

y√n
2√n 4517.2370980501
3√n 273.26368722607
4√n 67.210394270902
5√n 28.9700439763

Divisors of 20405431

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405430
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405431 can be divided by 4 positive divisors. The sum of these divisors (counting 20405431) is 1, the average is 0.25.

Base conversion 20405431

Base System Value
2 Binary 1001101110101110010110111
3 Ternary 1102101200222201
4 Quaternary 1031311302313
5 Quinary 20210433211
6 Senary 2005205331
8 Octal 115656267
10 Decimal 20405431
12 Duodecimal 6a00847
16 Hexadecimal 1375cb7
20 Vigesimal 67adbb
36 Base36 c5cxj

Cryptographic Hash Functions

md5 7f6894cd542054b01bebdb2ad9aa5c73
sha1 3e7702b18ef52e00f47ac147dd1d2ca544eb7a4c
sha256 03c1200da2c4ea777f4a64f11a62783b0bc2f066f9b2f1ba16ef090f914f83b7
sha512 e1eced279acaf9911e90accfd5d6473293984bcb899101605ef6bfc9bcf5e2333ec6bbdb9625a49902da0f3067ebd1fc3169ee253dd9c86c6029b09feff949cd
ripemd-160 0856904df3f73fc6fd63014dd9a42d08004927fc

20405431 as geometric shapes

Circle

Radius = n
Diameter 40810862
Circumference 128211104.24587
Area 1.3081014205614E+15

Sphere

Radius = n
Volume 3.5589831037691E+22
Surface area 5.2324056822457E+15
Circumference 128211104.24587

Square

Length = n
Perimeter 81621724
Area 416381614295761
Diagonal 28857637.266268

Cube

Length = n
Surface area 2498289685774566
Volume 8.4964463001808E+21
Space diagonal 35343243.242341

Equilateral Triangle

Length = n
Perimeter 61216293
Area 1.8029852782445E+14
Altitude 17671621.621171

Triangular Pyramid

Length = n
Surface area 1.8029852782445E+14
Volume 1.0013157991409E+21
Height 9619212.4220895