21087924 (number)

21087924 is an even 8-digits composite number following 21087923 and preceding 21087925. In scientific notation, it is written as 2.1087924 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 5898240 positive integers (up to 21087924) that are relatively prime to 21087924.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand nine hundred twenty-four

Notation

Scientific notation 2.1087924 × 10^7
Engineering notation 2.1087924 × 10^6

Prime Factorization of 21087924

Prime Factorization 2 × 2 × 39 × 11 × 12289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10543962
Product of the distinct prime numbers

The prime factorization of 21087924 is 2 × 2 × 39 × 11 × 12289. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 93, 12, 695, 264, 2802, 5952, 98512, 72424, 977848, 903878, 5304566, 7901427, 36291717, 181702, 514677980, 169531417, 1849928515, 9761939972

Basic calculations (n = 21087924)

Multiplication

n×y
n×2 42175848
n×3 63263772
n×4 84351696
n×5 105439620

Division

n÷y
n÷2 10543962
n÷3 7029308
n÷3 5271981
n÷5 4217584.8

Exponentiation

ny
n2 444700538629776
n3 9.3778111613838E+21
n4 1.9775856905761E+29
n5 4.1703176746357E+36

Nth Root

y√n
2√n 4592.1589693738
3√n 276.27692222757
4√n 67.765470332418
5√n 29.161292263541

Divisors of 21087924

1, 2, 4, 11, 22, 39, 44, 78, 156, 429, 858, 1716, 12289, 24578, 49156, 135179, 270358, 479271, 540716, 958542, 1917084, 5271981, 10543962, 21087924

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087923
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087924 can be divided by 24 positive divisors. The sum of these divisors (counting 21087924) is 1, the average is 0.041666666666667.

Base conversion 21087924

Base System Value
2 Binary 1010000011100011010110100
3 Ternary 1110200101012020
4 Quaternary 1100130122310
5 Quinary 20344303144
6 Senary 2031553140
8 Octal 120343264
10 Decimal 21087924
12 Duodecimal 708b7b0
16 Hexadecimal 141c6b4
20 Vigesimal 6bfjg4
36 Base36 cjzjo

Cryptographic Hash Functions

md5 03a6f26caa19198e6b067cd393721db3
sha1 be909f893c3f5593358650d72afad6904e845467
sha256 65ecf37cdb9032d2117121542b24244d92ce90363c6465663f1f5f46f89a9802
sha512 59410d464b3f74de44e881af41eadd6855a5cdf09576969c08538fbfb17bbfc6b5b9980c6f7f2273c8cf9b753cea08ba537053fcd77f28afcb2ca099ef20f9df
ripemd-160 04eeb76b853a2a83c621610ab9df44d67b9f4c6e

21087924 as geometric shapes

Circle

Radius = n
Diameter 42175848
Circumference 132499334.23572
Area 1.3970679452067E+15

Sphere

Radius = n
Volume 3.9281683535141E+22
Surface area 5.5882717808269E+15
Circumference 132499334.23572

Square

Length = n
Perimeter 84351696
Area 444700538629776
Diagonal 29822828.123093

Cube

Length = n
Surface area 2668203231778656
Volume 9.3778111613838E+21
Space diagonal 36525355.794151

Equilateral Triangle

Length = n
Perimeter 63263772
Area 1.92560981765E+14
Altitude 18262677.897076

Triangular Pyramid

Length = n
Surface area 1.92560981765E+14
Volume 1.1051856441502E+21
Height 9940942.7076977