21082685 (number)

21082685 is an odd 8-digits composite number following 21082684 and preceding 21082686. In scientific notation, it is written as 2.1082685 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 14370048 positive integers (up to 21082685) that are relatively prime to 21082685.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082685 × 10^7
Engineering notation 2.1082685 × 10^6

Prime Factorization of 21082685

Prime Factorization 95 × 559 × 397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082685
Product of the distinct prime numbers

The prime factorization of 21082685 is 95 × 559 × 397. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082685)

Multiplication

n×y
n×2 42165370
n×3 63248055
n×4 84330740
n×5 105413425

Division

n÷y
n÷2 10541342.5
n÷3 7027561.6666667
n÷3 5270671.25
n÷5 4216537

Exponentiation

ny
n2 444479606809225
n3 9.3708235392827E+21
n4 1.9756212086928E+29
n5 4.165139962219E+36

Nth Root

y√n
2√n 4591.5885050819
3√n 276.25404128592
4√n 67.761261094241
5√n 29.159843176429

Divisors of 21082685

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 -21082684
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 21082685 can be divided by 8 positive divisors. The sum of these divisors (counting 21082685) is 1, the average is 0.125.

Base conversion 21082685

Base System Value
2 Binary 1010000011011001000111101
3 Ternary 1110200010000012
4 Quaternary 1100123020331
5 Quinary 20344121220
6 Senary 2031513005
8 Octal 120331075
10 Decimal 21082685
12 Duodecimal 7088765
16 Hexadecimal 141b23d
20 Vigesimal 6bf6e5
36 Base36 cjvi5

Cryptographic Hash Functions

md5 2b4325c211248d94e7700e8c3273f6f0
sha1 d2226a29c45ef63bf6cc981944fce6ece577f92d
sha256 eafdefa115963fa64bc8c787e66e507de5188a7df090075b59cb9bc8992cdd56
sha512 65413910639c49017ee89290c18f0f91fc9d3f7cd1cbf8995125aeac15215a33677103aded10564d413ec5f004fc3a41f09ccf698f1dafa1b95df2cfa833da65
ripemd-160 82058adbb277e0d831abb0b077346df7679053be

21082685 as geometric shapes

Circle

Radius = n
Diameter 42165370
Circumference 132466416.6279
Area 1.3963738674223E+15

Sphere

Radius = n
Volume 3.9252413852129E+22
Surface area 5.5854954696894E+15
Circumference 132466416.6279

Square

Length = n
Perimeter 84330740
Area 444479606809225
Diagonal 29815419.05824

Cube

Length = n
Surface area 2666877640855350
Volume 9.3708235392827E+21
Space diagonal 36516281.57997

Equilateral Triangle

Length = n
Perimeter 63248055
Area 1.9246531548045E+14
Altitude 18258140.789985

Triangular Pyramid

Length = n
Surface area 1.9246531548045E+14
Volume 1.1043621449882E+21
Height 9938473.0194133