21685212 (number)

21685212 is an even 8-digits composite number following 21685211 and preceding 21685213. In scientific notation, it is written as 2.1685212 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 7228368 positive integers (up to 21685212) that are relatively prime to 21685212.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-five thousand two hundred twelve

Notation

Scientific notation 2.1685212 × 10^7
Engineering notation 2.1685212 × 10^6

Prime Factorization of 21685212

Prime Factorization 2 × 2 × 3 × 9 × 200789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10842606
Product of the distinct prime numbers

The prime factorization of 21685212 is 2 × 2 × 3 × 9 × 200789. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 12, 91, 172, 982, 7747, 7886, 85856, 66941, 845760, 17476, 6797743, 3393103, 64134072, 87316656, 196823805, 260443035, 294717559, 9147651602

Basic calculations (n = 21685212)

Multiplication

n×y
n×2 43370424
n×3 65055636
n×4 86740848
n×5 108426060

Division

n÷y
n÷2 10842606
n÷3 7228404
n÷3 5421303
n÷5 4337042.4

Exponentiation

ny
n2 470248419484944
n3 1.0197436669196E+22
n4 2.2113357602809E+29
n5 4.7953284764872E+36

Nth Root

y√n
2√n 4656.738343519
3√n 278.86107084735
4√n 68.240298530406
5√n 29.324643051523

Divisors of 21685212

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 200789, 401578, 602367, 803156, 1204734, 1807101, 2409468, 3614202, 5421303, 7228404, 10842606, 21685212

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 -21685211
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 21685212 can be divided by 24 positive divisors. The sum of these divisors (counting 21685212) is 1, the average is 0.041666666666667.

Base conversion 21685212

Base System Value
2 Binary 1010010101110001111011100
3 Ternary 1111210201112000
4 Quaternary 1102232033130
5 Quinary 21022411322
6 Senary 2052442300
8 Octal 122561734
10 Decimal 21685212
12 Duodecimal 7319390
16 Hexadecimal 14ae3dc
20 Vigesimal 6fad0c
36 Base36 cwsf0

Cryptographic Hash Functions

md5 2819e594dd21ca25c3b412d74ff0d221
sha1 200ac083d414d7280d917243e0e57d8e34151b35
sha256 c7a4dc05fc083f33df358ebcdbfe2f8ef47117b093067b1f25da060831f2fe07
sha512 4b17834fb3c78c92298044dd5c0555a64e9d90928d0386584ca15d738943616793bfd86e77bacb7c01d9b695fcce69822d753362f06940abc33f4529b940b2ad
ripemd-160 614b9e255b3c8ffb27f2649169cb2eddf837b815

21685212 as geometric shapes

Circle

Radius = n
Diameter 43370424
Circumference 136252205.42147
Area 1.4773289800161E+15

Sphere

Radius = n
Volume 4.2714922833858E+22
Surface area 5.9093159200644E+15
Circumference 136252205.42147

Square

Length = n
Perimeter 86740848
Area 470248419484944
Diagonal 30667520.913336

Cube

Length = n
Surface area 2821490516909664
Volume 1.0197436669196E+22
Space diagonal 37559888.956902

Equilateral Triangle

Length = n
Perimeter 65055636
Area 2.0362353868172E+14
Altitude 18779944.478451

Triangular Pyramid

Length = n
Surface area 2.0362353868172E+14
Volume 1.2017794365848E+21
Height 10222506.971112