21131816 (number)

21131816 is an even 8-digits composite number following 21131815 and preceding 21131817. In scientific notation, it is written as 2.1131816 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 9944320 positive integers (up to 21131816) that are relatively prime to 21131816.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred sixteen

Notation

Scientific notation 2.1131816 × 10^7
Engineering notation 2.1131816 × 10^6

Prime Factorization of 21131816

Prime Factorization 2 × 2 × 2 × 17 × 155381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5282954
Product of the distinct prime numbers

The prime factorization of 21131816 is 2 × 2 × 2 × 17 × 155381. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 44, 40, 883, 603, 6791, 9814, 35313, 20788, 747262, 808563, 2416669, 811175, 69228557, 10628458, 567803917, 568901534, 498675749, 9283399696

Basic calculations (n = 21131816)

Multiplication

n×y
n×2 42263632
n×3 63395448
n×4 84527264
n×5 105659080

Division

n÷y
n÷2 10565908
n÷3 7043938.6666667
n÷3 5282954
n÷5 4226363.2

Exponentiation

ny
n2 446553647457856
n3 9.4364895122083E+21
n4 1.9941016005792E+29
n5 4.2138988108744E+36

Nth Root

y√n
2√n 4596.9355009615
3√n 276.46846855528
4√n 67.800704280719
5√n 29.173421320395

Divisors of 21131816

1, 2, 4, 8, 17, 34, 68, 136, 155381, 310762, 621524, 1243048, 2641477, 5282954, 10565908, 21131816

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 -21131815
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 21131816 can be divided by 16 positive divisors. The sum of these divisors (counting 21131816) is 1, the average is 0.0625.

Base conversion 21131816

Base System Value
2 Binary 1010000100111001000101000
3 Ternary 1110202121101212
4 Quaternary 1100213020220
5 Quinary 20402204231
6 Senary 2032532252
8 Octal 120471050
10 Decimal 21131816
12 Duodecimal 70b1088
16 Hexadecimal 1427228
20 Vigesimal 6c19ag
36 Base36 ckxew

Cryptographic Hash Functions

md5 70fc03ad5333a0743e99cb9ef65a4889
sha1 aa871aa2cbd80ed5e4cd0ece7e99e97bbb63d026
sha256 625cedd110b7b17e7202f9748a56af8fd4c2bef97cb994b799c3539dfafc5a44
sha512 f0d8f6846e928c8cb729be58dda8d864bd1ed69a75bef9adcfc7a392675567d3e872a3c61b132bc2d76f9318be3b9b9053f9e2895acafcb34b943fd8792a7726
ripemd-160 54eb25866f18061941d70acda74bae081f60a38a

21131816 as geometric shapes

Circle

Radius = n
Diameter 42263632
Circumference 132775115.80522
Area 1.4028896582873E+15

Sphere

Radius = n
Volume 3.9527474836308E+22
Surface area 5.6115586331493E+15
Circumference 132775115.80522

Square

Length = n
Perimeter 84527264
Area 446553647457856
Diagonal 29884900.784773

Cube

Length = n
Surface area 2679321884747136
Volume 9.4364895122083E+21
Space diagonal 36601378.968197

Equilateral Triangle

Length = n
Perimeter 63395448
Area 1.9336340142555E+14
Altitude 18300689.484098

Triangular Pyramid

Length = n
Surface area 1.9336340142555E+14
Volume 1.112100954113E+21
Height 9961633.5949243