21016885 (number)

21016885 is an odd 8-digits composite number following 21016884 and preceding 21016886. In scientific notation, it is written as 2.1016885 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 16496064 positive integers (up to 21016885) that are relatively prime to 21016885.

Interesting facts

Basic properties

Name

Name twenty-one million sixteen thousand eight hundred eighty-five

Notation

Scientific notation 2.1016885 × 10^7
Engineering notation 2.1016885 × 10^6

Prime Factorization of 21016885

Prime Factorization 5 × 53 × 79309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21016885
Product of the distinct prime numbers

The prime factorization of 21016885 is 5 × 53 × 79309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21016885)

Multiplication

n×y
n×2 42033770
n×3 63050655
n×4 84067540
n×5 105084425

Division

n÷y
n÷2 10508442.5
n÷3 7005628.3333333
n÷3 5254221.25
n÷5 4203377

Exponentiation

ny
n2 441709455103225
n3 9.2833568213171E+21
n4 1.9510724272759E+29
n5 4.1005464830728E+36

Nth Root

y√n
2√n 4584.4176293178
3√n 275.96634137609
4√n 67.708327621629
5√n 29.14161857612

Divisors of 21016885

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 -21016884
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 21016885 can be divided by 8 positive divisors. The sum of these divisors (counting 21016885) is 1, the average is 0.125.

Base conversion 21016885

Base System Value
2 Binary 1010000001011000100110101
3 Ternary 1110112202202011
4 Quaternary 1100023010311
5 Quinary 20340020020
6 Senary 2030244221
8 Octal 120130465
10 Decimal 21016885
12 Duodecimal 7056671
16 Hexadecimal 140b135
20 Vigesimal 6b7245
36 Base36 cigqd

Cryptographic Hash Functions

md5 586b1c68a8f5325e5b6c1fba9342cf62
sha1 e14d6595a3a6482034ea77e8508f3493d1d263b2
sha256 e7ff8aacb73e8a18dc61a8ad66db01bb05a418bc15dcfd030114ad98f06f6b8b
sha512 472d39dfd0d052d3b984ad164b03da828f243e362cf089a694f5bc72bd1db3e5600d786514b945b79d772e8a2dc66e3bf85e0e71c07908648debe4089319cf87
ripemd-160 6bb61b831f2ddef7b047712930c54abd4d5979d6

21016885 as geometric shapes

Circle

Radius = n
Diameter 42033770
Circumference 132052983.03468
Area 1.3876711791734E+15

Sphere

Radius = n
Volume 3.888603412067E+22
Surface area 5.5506847166938E+15
Circumference 132052983.03468

Square

Length = n
Perimeter 84067540
Area 441709455103225
Diagonal 29722363.805836

Cube

Length = n
Surface area 2650256730619350
Volume 9.2833568213171E+21
Space diagonal 36402312.636832

Equilateral Triangle

Length = n
Perimeter 63050655
Area 1.9126580460559E+14
Altitude 18201156.318416

Triangular Pyramid

Length = n
Surface area 1.9126580460559E+14
Volume 1.0940540934213E+21
Height 9907454.6019452