21682018 (number)

21682018 is an even 8-digits composite number following 21682017 and preceding 21682019. In scientific notation, it is written as 2.1682018 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10830960 positive integers (up to 21682018) that are relatively prime to 21682018.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1682018 × 10^7
Engineering notation 2.1682018 × 10^6

Prime Factorization of 21682018

Prime Factorization 2 × 1229 × 8821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21682018
Product of the distinct prime numbers

The prime factorization of 21682018 is 2 × 1229 × 8821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 54, 4, 552, 305, 4304, 2425, 26711, 35416, 15226, 922511, 1176211, 6035084, 47631544, 88597088, 979719006, 654156735, 649335149, 7887735623

Basic calculations (n = 21682018)

Multiplication

n×y
n×2 43364036
n×3 65046054
n×4 86728072
n×5 108410090

Division

n÷y
n÷2 10841009
n÷3 7227339.3333333
n÷3 5420504.5
n÷5 4336403.6

Exponentiation

ny
n2 470109904552324
n3 1.0192931412482E+22
n4 2.210033223582E+29
n5 4.7917980134302E+36

Nth Root

y√n
2√n 4656.395386992
3√n 278.84737908983
4√n 68.237785624916
5√n 29.323779159313

Divisors of 21682018

1, 2, 1229, 2458, 8821, 17642, 10841009, 21682018

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 -21682017
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 21682018 can be divided by 8 positive divisors. The sum of these divisors (counting 21682018) is 1, the average is 0.125.

Base conversion 21682018

Base System Value
2 Binary 1010010101101011101100010
3 Ternary 1111210120010201
4 Quaternary 1102231131202
5 Quinary 21022311033
6 Senary 2052415414
8 Octal 122553542
10 Decimal 21682018
12 Duodecimal 731756a
16 Hexadecimal 14ad762
20 Vigesimal 6fa50i
36 Base36 cwpya

Cryptographic Hash Functions

md5 03d6d92cc18e9b514d70a022f1a6267e
sha1 12ecd297938b56843e3a80dbd86d46567b46a5b1
sha256 ed76f853486491af83857cc52cb9d07f6e995a32d76ab628fe7c49993df46fbe
sha512 466f6b828e6fdbdc03f40f85a75b01c20ef4e83bddb8aac9d2cfffe1d7223fc02063bf3af60899cb5f0e988fc3566df64dab8ba1dab63ca97c7c20a067036642
ripemd-160 cf6047d90383353cca01c5d19c46cf0d23f8eff3

21682018 as geometric shapes

Circle

Radius = n
Diameter 43364036
Circumference 136232136.9276
Area 1.4768938225214E+15

Sphere

Radius = n
Volume 4.2696051258663E+22
Surface area 5.9075752900855E+15
Circumference 136232136.9276

Square

Length = n
Perimeter 86728072
Area 470109904552324
Diagonal 30663003.915218

Cube

Length = n
Surface area 2820659427313944
Volume 1.0192931412482E+22
Space diagonal 37554356.786623

Equilateral Triangle

Length = n
Perimeter 65046054
Area 2.035635599565E+14
Altitude 18777178.393311

Triangular Pyramid

Length = n
Surface area 2.035635599565E+14
Volume 1.2012484869892E+21
Height 10221001.305073