21492687 (number)

21492687 is an odd 8-digits composite number following 21492686 and preceding 21492688. In scientific notation, it is written as 2.1492687 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14298968 positive integers (up to 21492687) that are relatively prime to 21492687.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred eighty-seven

Notation

Scientific notation 2.1492687 × 10^7
Engineering notation 2.1492687 × 10^6

Prime Factorization of 21492687

Prime Factorization 3 × 503 × 14243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492687
Product of the distinct prime numbers

The prime factorization of 21492687 is 3 × 503 × 14243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492687)

Multiplication

n×y
n×2 42985374
n×3 64478061
n×4 85970748
n×5 107463435

Division

n÷y
n÷2 10746343.5
n÷3 7164229
n÷3 5373171.75
n÷5 4298537.4

Exponentiation

ny
n2 461935594479969
n3 9.9282371463169E+21
n4 2.1338449344756E+29
n5 4.586206128322E+36

Nth Root

y√n
2√n 4636.0205996091
3√n 278.03335779694
4√n 68.088329393583
5√n 29.272387312793

Divisors of 21492687

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 -21492686
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 21492687 can be divided by 8 positive divisors. The sum of these divisors (counting 21492687) is 1, the average is 0.125.

Base conversion 21492687

Base System Value
2 Binary 1010001111111001111001111
3 Ternary 1111102221102110
4 Quaternary 1101333033033
5 Quinary 21000231222
6 Senary 2044355103
8 Octal 121771717
10 Decimal 21492687
12 Duodecimal 7245a93
16 Hexadecimal 147f3cf
20 Vigesimal 6e6be7
36 Base36 csnv3

Cryptographic Hash Functions

md5 f238d83174f56291ecfea58a4789927d
sha1 c782d9712f7bf8ae339d78bf8205f3f492d62c88
sha256 e838a54224860cfd56a6dc0994bc6890442bd30faa36da71ef3396be0ca8ef74
sha512 594a38c1e627f479f0a33998c8cc74631f0db76f8862b565e0e272d43f7242c8fbbd3dd1686cb656d7a44cba4a8b59cc64c94d71d369eb4ba9397cd639058569
ripemd-160 e1736a1a42f47560ff18808cc8e9a2abb212f389

21492687 as geometric shapes

Circle

Radius = n
Diameter 42985374
Circumference 135042535.17021
Area 1.4512134700499E+15

Sphere

Radius = n
Volume 4.1587302509289E+22
Surface area 5.8048538801996E+15
Circumference 135042535.17021

Square

Length = n
Perimeter 85970748
Area 461935594479969
Diagonal 30395249.44724

Cube

Length = n
Surface area 2771613566879814
Volume 9.9282371463169E+21
Space diagonal 37226425.875175

Equilateral Triangle

Length = n
Perimeter 64478061
Area 2.0002397986596E+14
Altitude 18613212.937588

Triangular Pyramid

Length = n
Surface area 2.0002397986596E+14
Volume 1.1700539685648E+21
Height 10131749.815747