20431388 (number)

20431388 is an even 8-digits composite number following 20431387 and preceding 20431389. In scientific notation, it is written as 2.0431388 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 10182432 positive integers (up to 20431388) that are relatively prime to 20431388.

Interesting facts

Basic properties

Name

Name twenty million four hundred thirty-one thousand three hundred eighty-eight

Notation

Scientific notation 2.0431388 × 10^7
Engineering notation 2.0431388 × 10^6

Prime Factorization of 20431388

Prime Factorization 2 × 2 × 313 × 16319

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10215694
Product of the distinct prime numbers

The prime factorization of 20431388 is 2 × 2 × 313 × 16319. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 42, 12, 826, 980, 8900, 262, 73883, 97812, 754379, 552619, 8846152, 9296705, 55813148, 14468087, 416549193, 421424967, 7704973082, 7758362262

Basic calculations (n = 20431388)

Multiplication

n×y
n×2 40862776
n×3 61294164
n×4 81725552
n×5 102156940

Division

n÷y
n÷2 10215694
n÷3 6810462.6666667
n÷3 5107847
n÷5 4086277.6

Exponentiation

ny
n2 417441615606544
n3 8.5289116158042E+21
n4 1.742575024402E+29
n5 3.5603226442667E+36

Nth Root

y√n
2√n 4520.1092907141
3√n 273.37950769933
4√n 67.231758051639
5√n 28.977410574919

Divisors of 20431388

1, 2, 4, 313, 626, 1252, 16319, 32638, 65276, 5107847, 10215694, 20431388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20431387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20431388 can be divided by 12 positive divisors. The sum of these divisors (counting 20431388) is 1, the average is 0.083333333333333.

Base conversion 20431388

Base System Value
2 Binary 1001101111100001000011100
3 Ternary 1102110000121002
4 Quaternary 1031330020130
5 Quinary 20212301023
6 Senary 2005525432
8 Octal 115741034
10 Decimal 20431388
12 Duodecimal 6a13878
16 Hexadecimal 137c21c
20 Vigesimal 67di98
36 Base36 c5wyk

Cryptographic Hash Functions

md5 79892dda2422375c545a0e01a7c216b2
sha1 1cbc48a84ca5c55568a0fec711bf01af608df8ca
sha256 4185e56ba1c875dd0b61014ad48ab13b7563d1a311c150a34e4bff358043d051
sha512 c74fe6124c42e9631f752a3dd2168bb97f16135b64d99247d4d4fac73aaaaed1f520e1185d3ab81d5a5754da55863ff502ae6a110513a7c703bdd34c667d92ea
ripemd-160 b10a093ea28ae37593e7759717bfe16927baef4a

20431388 as geometric shapes

Circle

Radius = n
Diameter 40862776
Circumference 128374196.88689
Area 1.3114315128922E+15

Sphere

Radius = n
Volume 3.5725821433769E+22
Surface area 5.2457260515687E+15
Circumference 128374196.88689

Square

Length = n
Perimeter 81725552
Area 417441615606544
Diagonal 28894346.007707

Cube

Length = n
Surface area 2504649693639264
Volume 8.5289116158042E+21
Space diagonal 35388202.085153

Equilateral Triangle

Length = n
Perimeter 61294164
Area 1.8075752185604E+14
Altitude 17694101.042577

Triangular Pyramid

Length = n
Surface area 1.8075752185604E+14
Volume 1.0051418732793E+21
Height 9631448.6692356