21689966 (number)

21689966 is an even 8-digits composite number following 21689965 and preceding 21689967. In scientific notation, it is written as 2.1689966 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 10373440 positive integers (up to 21689966) that are relatively prime to 21689966.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred sixty-six

Notation

Scientific notation 2.1689966 × 10^7
Engineering notation 2.1689966 × 10^6

Prime Factorization of 21689966

Prime Factorization 2 × 23 × 471521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21689966
Product of the distinct prime numbers

The prime factorization of 21689966 is 2 × 23 × 471521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689966)

Multiplication

n×y
n×2 43379932
n×3 65069898
n×4 86759864
n×5 108449830

Division

n÷y
n÷2 10844983
n÷3 7229988.6666667
n÷3 5422491.5
n÷5 4337993.2

Exponentiation

ny
n2 470454625081156
n3 1.0204144822553E+22
n4 2.2132755426025E+29
n5 4.800587126768E+36

Nth Root

y√n
2√n 4657.2487586557
3√n 278.88144738575
4√n 68.244038264567
5√n 29.325928693828

Divisors of 21689966

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 -21689965
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 21689966 can be divided by 8 positive divisors. The sum of these divisors (counting 21689966) is 1, the average is 0.125.

Base conversion 21689966

Base System Value
2 Binary 1010010101111011001101110
3 Ternary 1111210222001002
4 Quaternary 1102233121232
5 Quinary 21023034331
6 Senary 2052520302
8 Octal 122573156
10 Decimal 21689966
12 Duodecimal 7320092
16 Hexadecimal 14af66e
20 Vigesimal 6fb4i6
36 Base36 cww32

Cryptographic Hash Functions

md5 f8394db36117205270b30f2b0f6d3db7
sha1 edf8e01b989a33bc9b3fae18bcbec09a67f16a31
sha256 9c280fe0f9c81bbc93ab581b3b5f121ff900936ee2bcf3ace6aae92d494650f4
sha512 2d972967005a776c6fe97382569f4631415d062dd6681bbf18f792e5320f86fc6ca3a205560e18be054d0499623127e2b4a1c0972e01b9c2ef5212e76efa1648
ripemd-160 86c5b5ea5b68ce0fe879d13567ac77bf7bb0390a

21689966 as geometric shapes

Circle

Radius = n
Diameter 43379932
Circumference 136282075.68442
Area 1.4779767940023E+15

Sphere

Radius = n
Volume 4.2743021880932E+22
Surface area 5.9119071760092E+15
Circumference 136282075.68442

Square

Length = n
Perimeter 86759864
Area 470454625081156
Diagonal 30674244.084611

Cube

Length = n
Surface area 2822727750486936
Volume 1.0204144822553E+22
Space diagonal 37568123.126441

Equilateral Triangle

Length = n
Perimeter 65069898
Area 2.0371282832408E+14
Altitude 18784061.563221

Triangular Pyramid

Length = n
Surface area 2.0371282832408E+14
Volume 1.2025700000395E+21
Height 10224748.028204