21131688 (number)

21131688 is an even 8-digits composite number following 21131687 and preceding 21131689. In scientific notation, it is written as 2.1131688 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 7043888 positive integers (up to 21131688) that are relatively prime to 21131688.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand six hundred eighty-eight

Notation

Scientific notation 2.1131688 × 10^7
Engineering notation 2.1131688 × 10^6

Prime Factorization of 21131688

Prime Factorization 2 × 2 × 2 × 3 × 880487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5282922
Product of the distinct prime numbers

The prime factorization of 21131688 is 2 × 2 × 2 × 3 × 880487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 63, 26, 579, 200, 3438, 344, 95048, 44013, 804708, 745460, 8737298, 2460951, 12293552, 88384145, 199846678, 982930269, 8558709827, 4081222552

Basic calculations (n = 21131688)

Multiplication

n×y
n×2 42263376
n×3 63395064
n×4 84526752
n×5 105658440

Division

n÷y
n÷2 10565844
n÷3 7043896
n÷3 5282922
n÷5 4226337.6

Exponentiation

ny
n2 446548237729344
n3 9.4363180366463E+21
n4 1.9940532861918E+29
n5 4.213771189918E+36

Nth Root

y√n
2√n 4596.9215786219
3√n 276.46791034429
4√n 67.800601609587
5√n 29.173385978359

Divisors of 21131688

1, 2, 3, 4, 6, 8, 12, 24, 880487, 1760974, 2641461, 3521948, 5282922, 7043896, 10565844, 21131688

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 -21131687
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 21131688 can be divided by 16 positive divisors. The sum of these divisors (counting 21131688) is 1, the average is 0.0625.

Base conversion 21131688

Base System Value
2 Binary 1010000100111000110101000
3 Ternary 1110202121020010
4 Quaternary 1100213012220
5 Quinary 20402203223
6 Senary 2032531520
8 Octal 120470650
10 Decimal 21131688
12 Duodecimal 70b0ba0
16 Hexadecimal 14271a8
20 Vigesimal 6c1948
36 Base36 ckxbc

Cryptographic Hash Functions

md5 fbcda2f7067e7e9582b9ed6950a17e2e
sha1 317648ff3ae5811ce0c23f565d97ee9f04f4e74f
sha256 4a70d8f310fcb672ede1d55f93844a086f825b9809ec6cefe9113ab0bb662af9
sha512 764eb2143602af1b987117b8d978962108091d47e3a3a914ad79dc89e955132992d54fb72c38b491d269a075fe74a1b2ee33d5572e92c1acc9d3b6fbb23b1e24
ripemd-160 627710d354143afbb14775030d8ba969129468d0

21131688 as geometric shapes

Circle

Radius = n
Diameter 42263376
Circumference 132774311.5575
Area 1.402872663124E+15

Sphere

Radius = n
Volume 3.9526756561153E+22
Surface area 5.6114906524959E+15
Circumference 132774311.5575

Square

Length = n
Perimeter 84526752
Area 446548237729344
Diagonal 29884719.765437

Cube

Length = n
Surface area 2679289426376064
Volume 9.4363180366463E+21
Space diagonal 36601157.265694

Equilateral Triangle

Length = n
Perimeter 63395064
Area 1.9336105894439E+14
Altitude 18300578.632847

Triangular Pyramid

Length = n
Surface area 1.9336105894439E+14
Volume 1.1120807455243E+21
Height 9961573.2551456