21691486 (number)

21691486 is an even 8-digits composite number following 21691485 and preceding 21691487. In scientific notation, it is written as 2.1691486 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10836768 positive integers (up to 21691486) that are relatively prime to 21691486.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1691486 × 10^7
Engineering notation 2.1691486 × 10^6

Prime Factorization of 21691486

Prime Factorization 2 × 1439 × 7537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21691486
Product of the distinct prime numbers

The prime factorization of 21691486 is 2 × 1439 × 7537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691486)

Multiplication

n×y
n×2 43382972
n×3 65074458
n×4 86765944
n×5 108457430

Division

n÷y
n÷2 10845743
n÷3 7230495.3333333
n÷3 5422871.5
n÷5 4338297.2

Exponentiation

ny
n2 470520564888196
n3 1.0206290245984E+22
n4 2.2138960198271E+29
n5 4.8022694519535E+36

Nth Root

y√n
2√n 4657.4119422701
3√n 278.88796176354
4√n 68.245233842885
5√n 29.32633970565

Divisors of 21691486

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 -21691485
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 21691486 can be divided by 8 positive divisors. The sum of these divisors (counting 21691486) is 1, the average is 0.125.

Base conversion 21691486

Base System Value
2 Binary 1010010101111110001011110
3 Ternary 1111211001010101
4 Quaternary 1102233301132
5 Quinary 21023111421
6 Senary 2052531314
8 Octal 122576136
10 Decimal 21691486
12 Duodecimal 7320b3a
16 Hexadecimal 14afc5e
20 Vigesimal 6fb8e6
36 Base36 cwx9a

Cryptographic Hash Functions

md5 cdfabe6f98b68e91bccc5e01e25b102f
sha1 bada970179dacba3dbb1891307c837a38dce6fa0
sha256 8e760e32b23ffe239da6cadfb7d2af3e6076677a66fc6d0bc012c26ca45bd823
sha512 f7d7000b3c857949d29d661e1c26e8022040f39967dfe6898de6b211681799fa9867924baf6bc21e618feaf7d30735d883e2ff7f5157b7885bcfe4721d275720
ripemd-160 8ebddc2d5a7de7bf3affc130d9cb255b7448cdd4

21691486 as geometric shapes

Circle

Radius = n
Diameter 43382972
Circumference 136291626.12609
Area 1.4781839500157E+15

Sphere

Radius = n
Volume 4.2752008609586E+22
Surface area 5.9127358000627E+15
Circumference 136291626.12609

Square

Length = n
Perimeter 86765944
Area 470520564888196
Diagonal 30676393.689226

Cube

Length = n
Surface area 2823123389329176
Volume 1.0206290245984E+22
Space diagonal 37570755.843669

Equilateral Triangle

Length = n
Perimeter 65074458
Area 2.0374138109809E+14
Altitude 18785377.921834

Triangular Pyramid

Length = n
Surface area 2.0374138109809E+14
Volume 1.2028228406156E+21
Height 10225464.563075