20781432 (number)

20781432 is an even 8-digits composite number following 20781431 and preceding 20781433. In scientific notation, it is written as 2.0781432 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 5937408 positive integers (up to 20781432) that are relatively prime to 20781432.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-one thousand four hundred thirty-two

Notation

Scientific notation 2.0781432 × 10^7
Engineering notation 2.0781432 × 10^6

Prime Factorization of 20781432

Prime Factorization 2 × 2 × 2 × 63 × 41233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5195358
Product of the distinct prime numbers

The prime factorization of 20781432 is 2 × 2 × 2 × 63 × 41233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 56, 89, 558, 997, 1891, 7826, 90010, 37144, 289187, 380401, 150606, 4098117, 81469279, 73076599, 280105625, 1853958, 3614716054, 5305591865

Basic calculations (n = 20781432)

Multiplication

n×y
n×2 41562864
n×3 62344296
n×4 83125728
n×5 103907160

Division

n÷y
n÷2 10390716
n÷3 6927144
n÷3 5195358
n÷5 4156286.4

Exponentiation

ny
n2 431867915970624
n3 8.9748337287252E+21
n4 1.8650989684481E+29
n5 3.8759427386074E+36

Nth Root

y√n
2√n 4558.6655942282
3√n 274.93191482514
4√n 67.517890919579
5√n 29.076029050223

Divisors of 20781432

1, 2, 4, 8, 63, 126, 252, 504, 41233, 82466, 164932, 329864, 2597679, 5195358, 10390716, 20781432

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781431
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781432 can be divided by 16 positive divisors. The sum of these divisors (counting 20781432) is 1, the average is 0.0625.

Base conversion 20781432

Base System Value
2 Binary 1001111010001100101111000
3 Ternary 1110002210202200
4 Quaternary 1033101211320
5 Quinary 20310001212
6 Senary 2021230200
8 Octal 117214570
10 Decimal 20781432
12 Duodecimal 6b62360
16 Hexadecimal 13d1978
20 Vigesimal 69hdbc
36 Base36 cdf20

Cryptographic Hash Functions

md5 03f10ed9985fe9fc8841c34dcfb66801
sha1 c62f0918573491c675f939c61f068fe27d5c9a50
sha256 07bb5f6a35d1c292f19b40c99db781861a2d3be72fde93340b07b4d3fb480b67
sha512 e85bf508622126027b8d6a0ae06aafdf8bd5bc146c78224126867b9ec766756d7923d265c02d4a66d99a283a588474d9154c09d8dc57269c913ebc09e31d3d59
ripemd-160 33fcffaff8fa8d5519801c27c36776e6f081077c

20781432 as geometric shapes

Circle

Radius = n
Diameter 41562864
Circumference 130573588.20455
Area 1.3567530721344E+15

Sphere

Radius = n
Volume 3.7593695612471E+22
Surface area 5.4270122885378E+15
Circumference 130573588.20455

Square

Length = n
Perimeter 83125728
Area 431867915970624
Diagonal 29389382.979934

Cube

Length = n
Surface area 2591207495823744
Volume 8.9748337287252E+21
Space diagonal 35994496.078038

Equilateral Triangle

Length = n
Perimeter 62344296
Area 1.87004293155E+14
Altitude 17997248.039019

Triangular Pyramid

Length = n
Surface area 1.87004293155E+14
Volume 1.0576942982672E+21
Height 9796460.9933114