20872 (number)

20872 is an even 5-digits composite number following 20871 and preceding 20873. In scientific notation, it is written as 2.0872 × 10^4. The sum of its digits is 19. It has a total of 4 prime factors and 8 positive divisors. There are 10432 positive integers (up to 20872) that are relatively prime to 20872.

Interesting facts

Basic properties

Name

Name twenty thousand eight hundred seventy-two

Notation

Scientific notation 2.0872 × 10^4
Engineering notation 2.0872 × 10^3

Prime Factorization of 20872

Prime Factorization 2 × 2 × 2 × 2609

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5218
Product of the distinct prime numbers

The prime factorization of 20872 is 2 × 2 × 2 × 2609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 94, 82, 774, 337, 1318, 6790, 49578, 66503, 764652, 479933, 7833196, 5757804, 62768551, 39686349, 57486201, 996595164, 6799914915, 5260071485

Basic calculations (n = 20872)

Multiplication

n×y
n×2 41744
n×3 62616
n×4 83488
n×5 104360

Division

n÷y
n÷2 10436
n÷3 6957.3333333333
n÷3 5218
n÷5 4174.4

Exponentiation

ny
n2 435640384
n3 9092686094848
n4 189782544171667456
n5 3.961141261951E+21

Nth Root

y√n
2√n 144.47145046687
3√n 27.533073155944
4√n 12.019627717482
5√n 7.3099231840115

Divisors of 20872

1, 2, 4, 8, 2609, 5218, 10436, 20872

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 -20871
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 20872 can be divided by 8 positive divisors. The sum of these divisors (counting 20872) is 1, the average is 0.125.

Base conversion 20872

Base System Value
2 Binary 101000110001000
3 Ternary 1001122001
4 Quaternary 11012020
5 Quinary 1131442
6 Senary 240344
8 Octal 50610
10 Decimal 20872
12 Duodecimal 100b4
16 Hexadecimal 5188
20 Vigesimal 2c3c
36 Base36 g3s

Cryptographic Hash Functions

md5 6c2cce23c4449723bdce7208c1e1dc5e
sha1 9cdf9e637dcff3ba9792eef8044009e51da50d79
sha256 4a8c75fdb6dee7172b415f9211247bdd540962e14ab5ec3e03ea18084c7eec7e
sha512 cd30b1d61e6454dd20a16860a6e2ece5f65f6852bcf83167a6970279fe3ad5954e2ae8c27954e830f0087bbbbc430ea2049989ac2c006deb9e6c39e981426b23
ripemd-160 9398a0f4277766436e9deb2f1972ffb4f50fa382

20872 as geometric shapes

Circle

Radius = n
Diameter 41744
Circumference 131142.64373145
Area 1368604629.9814

Sphere

Radius = n
Volume 38087354449297
Surface area 5474418519.9257
Circumference 131142.64373145

Square

Length = n
Perimeter 83488
Area 435640384
Diagonal 29517.465473851

Cube

Length = n
Surface area 2613842304
Volume 9092686094848
Space diagonal 36151.364455578

Equilateral Triangle

Length = n
Perimeter 62616
Area 188637819.7292
Altitude 18075.682227789

Triangular Pyramid

Length = n
Surface area 188637819.7292
Volume 1071583332811.3
Height 9839.1551579504