21231688 (number)

21231688 is an even 8-digits composite number following 21231687 and preceding 21231689. In scientific notation, it is written as 2.1231688 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 10591248 positive integers (up to 21231688) that are relatively prime to 21231688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1231688 × 10^7
Engineering notation 2.1231688 × 10^6

Prime Factorization of 21231688

Prime Factorization 2 × 2 × 2 × 467 × 5683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5307922
Product of the distinct prime numbers

The prime factorization of 21231688 is 2 × 2 × 2 × 467 × 5683. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 5, 45, 81, 734, 760, 5348, 7584, 64833, 2598, 654224, 232317, 2942056, 3607215, 14345700, 33429105, 483600444, 622666274, 170746638, 1703285578

Basic calculations (n = 21231688)

Multiplication

n×y
n×2 42463376
n×3 63695064
n×4 84926752
n×5 106158440

Division

n÷y
n÷2 10615844
n÷3 7077229.3333333
n÷3 5307922
n÷5 4246337.6

Exponentiation

ny
n2 450784575329344
n3 9.5709174586051E+21
n4 2.0320673335486E+29
n5 4.3144219620895E+36

Nth Root

y√n
2√n 4607.7855852893
3√n 276.90332744562
4√n 67.880671662037
5√n 29.200944893852

Divisors of 21231688

1, 2, 4, 8, 467, 934, 1868, 3736, 5683, 11366, 22732, 45464, 2653961, 5307922, 10615844, 21231688

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 -21231687
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 21231688 can be divided by 16 positive divisors. The sum of these divisors (counting 21231688) is 1, the average is 0.0625.

Base conversion 21231688

Base System Value
2 Binary 1010000111111100001001000
3 Ternary 1110221200101211
4 Quaternary 1100333201020
5 Quinary 20413403223
6 Senary 2035022504
8 Octal 120774110
10 Decimal 21231688
12 Duodecimal 713aa34
16 Hexadecimal 143f848
20 Vigesimal 6cdj48
36 Base36 cn2h4

Cryptographic Hash Functions

md5 6c4e364df1d2ff3c4f994e55c29c548d
sha1 80a59088350d81afbc8d1a3143a6275de81e6d89
sha256 81c90e3e6f138c08485a03dd9684a6ee4ab7929c5359104b7710f74109c0f667
sha512 d19f5a29e6abfbc2f711d572447e2f671efd20aa926651fa84d358f6e0942d2996773c817f28b0e052a441b1ff59c19ae75b6354de1a0f9d0770cb2d6340622c
ripemd-160 2071d39d54f910ff57f9e9d159e7a66dd998e653

21231688 as geometric shapes

Circle

Radius = n
Diameter 42463376
Circumference 133402630.08822
Area 1.4161815102063E+15

Sphere

Radius = n
Volume 4.0090565301424E+22
Surface area 5.664726040825E+15
Circumference 133402630.08822

Square

Length = n
Perimeter 84926752
Area 450784575329344
Diagonal 30026141.121674

Cube

Length = n
Surface area 2704707451976064
Volume 9.5709174586051E+21
Space diagonal 36774362.34645

Equilateral Triangle

Length = n
Perimeter 63695064
Area 1.951954469347E+14
Altitude 18387181.173225

Triangular Pyramid

Length = n
Surface area 1.951954469347E+14
Volume 1.1279434395261E+21
Height 10008713.707225