21718900 (number)

21718900 is an even 8-digits composite number following 21718899 and preceding 21718901. In scientific notation, it is written as 2.1718900 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 72 positive divisors. There are 6652800 positive integers (up to 21718900) that are relatively prime to 21718900.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighteen thousand nine hundred

Notation

Scientific notation 2.1718900 × 10^7
Engineering notation 2.1718900 × 10^6

Prime Factorization of 21718900

Prime Factorization 2 × 2 × 5 × 5 × 19 × 161 × 71

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2171890
Product of the distinct prime numbers

The prime factorization of 21718900 is 2 × 2 × 5 × 5 × 19 × 161 × 71. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21718900)

Multiplication

n×y
n×2 43437800
n×3 65156700
n×4 86875600
n×5 108594500

Division

n÷y
n÷2 10859450
n÷3 7239633.3333333
n÷3 5429725
n÷5 4343780

Exponentiation

ny
n2 471710617210000
n3 1.0245035724122E+22
n4 2.2251090638864E+29
n5 4.8326921247642E+36

Nth Root

y√n
2√n 4660.3540638024
3√n 279.00539979186
4√n 68.26678594897
5√n 29.333748567967

Divisors of 21718900

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21718899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21718900 can be divided by 72 positive divisors. The sum of these divisors (counting 21718900) is 1, the average is 0.013888888888889.

Base conversion 21718900

Base System Value
2 Binary 1010010110110011101110100
3 Ternary 1111212102201201
4 Quaternary 1102312131310
5 Quinary 21030001100
6 Senary 2053302244
8 Octal 122663564
10 Decimal 21718900
12 Duodecimal 7334984
16 Hexadecimal 14b6774
20 Vigesimal 6feh50
36 Base36 cxies

Cryptographic Hash Functions

md5 bbfa9b29543f76f4fdc5642aee274a09
sha1 9765fe840f5d85c1f16a11fb272b15f154a1b49a
sha256 bce6d3b624fedf10ad318a4c3bc9e9eb70b1fcc2110a6ada9da3ec08ec34c498
sha512 95fbcd0001cff26badab3cf980542963fab79178ac94df9ea660d66f9eb969851ae999a14a7981721d4929c4088850630ff43066947ed9680b199278d572e605
ripemd-160 0f18bd34484feecb1e80be72eee722b7261a9b02

21718900 as geometric shapes

Circle

Radius = n
Diameter 43437800
Circumference 136463873.3681
Area 1.4819226096472E+15

Sphere

Radius = n
Volume 4.291430528889E+22
Surface area 5.927690438589E+15
Circumference 136463873.3681

Square

Length = n
Perimeter 86875600
Area 471710617210000
Diagonal 30715162.939825

Cube

Length = n
Surface area 2830263703260000
Volume 1.0245035724122E+22
Space diagonal 37618238.284508

Equilateral Triangle

Length = n
Perimeter 65156700
Area 2.0425668886935E+14
Altitude 18809119.142254

Triangular Pyramid

Length = n
Surface area 2.0425668886935E+14
Volume 1.2073890390042E+21
Height 10238387.646608