21897684 (number)

21897684 is an even 8-digits composite number following 21897683 and preceding 21897685. In scientific notation, it is written as 2.1897684 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors. There are 7299216 positive integers (up to 21897684) that are relatively prime to 21897684.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897684 × 10^7
Engineering notation 2.1897684 × 10^6

Prime Factorization of 21897684

Prime Factorization 2 × 2 × 3 × 3 × 608269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3649614
Product of the distinct prime numbers

The prime factorization of 21897684 is 2 × 2 × 3 × 3 × 608269. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 28, 46, 979, 425, 5085, 3956, 75262, 6993, 572433, 386107, 3997841, 2991649, 11230045, 89050037, 573131444, 875459278, 539884917, 1733120499

Basic calculations (n = 21897684)

Multiplication

n×y
n×2 43795368
n×3 65693052
n×4 87590736
n×5 109488420

Division

n÷y
n÷2 10948842
n÷3 7299228
n÷3 5474421
n÷5 4379536.8

Exponentiation

ny
n2 479508564563856
n3 1.0500127022113E+22
n4 2.2992846349009E+29
n5 5.0349008361115E+36

Nth Root

y√n
2√n 4679.4961267213
3√n 279.76887389521
4√n 68.40684268932
5√n 29.381883800464

Divisors of 21897684

1, 2, 3, 4, 6, 9, 12, 18, 36, 608269, 1216538, 1824807, 2433076, 3649614, 5474421, 7299228, 10948842, 21897684

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897683
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897684 can be divided by 18 positive divisors. The sum of these divisors (counting 21897684) is 1, the average is 0.055555555555556.

Base conversion 21897684

Base System Value
2 Binary 1010011100010000111010100
3 Ternary 1112012111222100
4 Quaternary 1103202013110
5 Quinary 21101211214
6 Senary 2101202100
8 Octal 123420724
10 Decimal 21897684
12 Duodecimal 7400330
16 Hexadecimal 14e21d4
20 Vigesimal 6gh444
36 Base36 d1cd0

Cryptographic Hash Functions

md5 919d8b22646a3e1ab3407f2804195441
sha1 9ae0eea55555ee84ddcfc7e54eaaae60049b6cce
sha256 46f99c122930544d0c302caa515a995973caabef99b620c1aa460b64a2b53c51
sha512 deb772199621509f8f5180c3b9edd756e20bc6961c0996995d0b7062f070430c6848d8325a2e7095c0ae1b01ee9e7eef38f18b9c8df2a684675c8ed9916346e2
ripemd-160 2a409af66bb638637f7d5f7fe19ea77d326d6d52

21897684 as geometric shapes

Circle

Radius = n
Diameter 43795368
Circumference 137587206.37006
Area 1.5064205837672E+15

Sphere

Radius = n
Volume 4.3982829219239E+22
Surface area 6.0256823350688E+15
Circumference 137587206.37006

Square

Length = n
Perimeter 87590736
Area 479508564563856
Diagonal 30968001.69736

Cube

Length = n
Surface area 2877051387383136
Volume 1.0500127022113E+22
Space diagonal 37927901.256088

Equilateral Triangle

Length = n
Perimeter 65693052
Area 2.0763329912225E+14
Altitude 18963950.628044

Triangular Pyramid

Length = n
Surface area 2.0763329912225E+14
Volume 1.237451836776E+21
Height 10322667.232453