21689982 (number)

21689982 is an even 8-digits composite number following 21689981 and preceding 21689983. In scientific notation, it is written as 2.1689982 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 6849360 positive integers (up to 21689982) that are relatively prime to 21689982.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1689982 × 10^7
Engineering notation 2.1689982 × 10^6

Prime Factorization of 21689982

Prime Factorization 2 × 3 × 3 × 19 × 63421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7229994
Product of the distinct prime numbers

The prime factorization of 21689982 is 2 × 3 × 3 × 19 × 63421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689982)

Multiplication

n×y
n×2 43379964
n×3 65069946
n×4 86759928
n×5 108449910

Division

n÷y
n÷2 10844991
n÷3 7229994
n÷3 5422495.5
n÷5 4337996.4

Exponentiation

ny
n2 470455319160324
n3 1.0204167404392E+22
n4 2.2132820732624E+29
n5 4.8006048329985E+36

Nth Root

y√n
2√n 4657.2504764077
3√n 278.88151595974
4√n 68.244050849929
5√n 29.325933020388

Divisors of 21689982

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21689981
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21689982 can be divided by 24 positive divisors. The sum of these divisors (counting 21689982) is 1, the average is 0.041666666666667.

Base conversion 21689982

Base System Value
2 Binary 1010010101111011001111110
3 Ternary 1111210222001200
4 Quaternary 1102233121332
5 Quinary 21023034412
6 Senary 2052520330
8 Octal 122573176
10 Decimal 21689982
12 Duodecimal 73200a6
16 Hexadecimal 14af67e
20 Vigesimal 6fb4j2
36 Base36 cww3i

Cryptographic Hash Functions

md5 ba6e86c0dd83dd662fde665c598dd327
sha1 d0d5ecb6d15387751862382793bd52a616dfbb8a
sha256 ce24cbf8bd50c79c21422f85fa1d4b4e95ba0a51d02161bc5155c402caeffee8
sha512 628e3db9ca620c294596075eabd921c586ea25deceb2469341a010fb9c9f3bf2ea2591e1767aa8d5204cecc4f4bdc1060cf6623f97a9a1eae3d0d8729648afb8
ripemd-160 b85b4b1314bdf28451a3c8193bdaf69bba1b2908

21689982 as geometric shapes

Circle

Radius = n
Diameter 43379964
Circumference 136282176.21539
Area 1.4779789745163E+15

Sphere

Radius = n
Volume 4.2743116471516E+22
Surface area 5.9119158980653E+15
Circumference 136282176.21539

Square

Length = n
Perimeter 86759928
Area 470455319160324
Diagonal 30674266.712028

Cube

Length = n
Surface area 2822731914961944
Volume 1.0204167404392E+22
Space diagonal 37568150.839254

Equilateral Triangle

Length = n
Perimeter 65069946
Area 2.0371312886918E+14
Altitude 18784075.419627

Triangular Pyramid

Length = n
Surface area 2.0371312886918E+14
Volume 1.2025726613347E+21
Height 10224755.570676