21689993 (number)

21689993 is an odd 8-digits composite number following 21689992 and preceding 21689994. In scientific notation, it is written as 2.1689993 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 19681488 positive integers (up to 21689993) that are relatively prime to 21689993.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred ninety-three

Notation

Scientific notation 2.1689993 × 10^7
Engineering notation 2.1689993 × 10^6

Prime Factorization of 21689993

Prime Factorization 13 × 59 × 28279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21689993
Product of the distinct prime numbers

The prime factorization of 21689993 is 13 × 59 × 28279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689993)

Multiplication

n×y
n×2 43379986
n×3 65069979
n×4 86759972
n×5 108449965

Division

n÷y
n÷2 10844996.5
n÷3 7229997.6666667
n÷3 5422498.25
n÷5 4337998.6

Exponentiation

ny
n2 470455796340049
n3 1.0204182929425E+22
n4 2.2132865630995E+29
n5 4.8006170060622E+36

Nth Root

y√n
2√n 4657.2516573619
3√n 278.88156310433
4√n 68.244059502362
5√n 29.325935994897

Divisors of 21689993

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 -21689992
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 21689993 can be divided by 8 positive divisors. The sum of these divisors (counting 21689993) is 1, the average is 0.125.

Base conversion 21689993

Base System Value
2 Binary 1010010101111011010001001
3 Ternary 1111210222002002
4 Quaternary 1102233122021
5 Quinary 21023034433
6 Senary 2052520345
8 Octal 122573211
10 Decimal 21689993
12 Duodecimal 73200b5
16 Hexadecimal 14af689
20 Vigesimal 6fb4jd
36 Base36 cww3t

Cryptographic Hash Functions

md5 1a1bafa3f7b68d14851e89fd0d20b62a
sha1 b3366bdd58d19c72236c317a859dac359dc1ca78
sha256 e2392e40c054173023b04ce88b9108ec63e21b922fae02f5c4d8b06e7fb155d8
sha512 0865627b4f5422db8849bdfa1d2543aef5439407efdc2f8c54dbbbb34e01de70f0f4b691922f2b1f2e0cc48941c72227c47c34b5aef4778c4b2016083e6df987
ripemd-160 0a25eb2a99f2407af1d13ac7e65328083d543774

21689993 as geometric shapes

Circle

Radius = n
Diameter 43379986
Circumference 136282245.33043
Area 1.4779804736206E+15

Sphere

Radius = n
Volume 4.2743181502624E+22
Surface area 5.9119218944825E+15
Circumference 136282245.33043

Square

Length = n
Perimeter 86759972
Area 470455796340049
Diagonal 30674282.268377

Cube

Length = n
Surface area 2822734778040294
Volume 1.0204182929425E+22
Space diagonal 37568169.891813

Equilateral Triangle

Length = n
Perimeter 65069979
Area 2.0371333549406E+14
Altitude 18784084.945907

Triangular Pyramid

Length = n
Surface area 2.0371333549406E+14
Volume 1.2025744909774E+21
Height 10224760.756126