21084785 (number)

21084785 is an odd 8-digits composite number following 21084784 and preceding 21084786. In scientific notation, it is written as 2.1084785 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 16867824 positive integers (up to 21084785) that are relatively prime to 21084785.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand seven hundred eighty-five

Notation

Scientific notation 2.1084785 × 10^7
Engineering notation 2.1084785 × 10^6

Prime Factorization of 21084785

Prime Factorization 5 × 4216957

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21084785
Product of the distinct prime numbers

The prime factorization of 21084785 is 5 × 4216957. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084785)

Multiplication

n×y
n×2 42169570
n×3 63254355
n×4 84339140
n×5 105423925

Division

n÷y
n÷2 10542392.5
n÷3 7028261.6666667
n÷3 5271196.25
n÷5 4216957

Exponentiation

ny
n2 444568158496225
n3 9.3736240397388E+21
n4 1.9764084754872E+29
n5 4.1672147777826E+36

Nth Root

y√n
2√n 4591.8171784164
3√n 276.26321333439
4√n 67.762948418855
5√n 29.160424062886

Divisors of 21084785

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084784
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084785 can be divided by 4 positive divisors. The sum of these divisors (counting 21084785) is 1, the average is 0.25.

Base conversion 21084785

Base System Value
2 Binary 1010000011011101001110001
3 Ternary 1110200012212222
4 Quaternary 1100123221301
5 Quinary 20344203120
6 Senary 2031530425
8 Octal 120335161
10 Decimal 21084785
12 Duodecimal 7089a15
16 Hexadecimal 141ba71
20 Vigesimal 6bfbj5
36 Base36 cjx4h

Cryptographic Hash Functions

md5 f9a34bdc93be56d4c9a3263f83430d49
sha1 1abb45b9228e82e1d556bf87bbb13444ecbf0d2a
sha256 96b240f59dd068ff4bce25c011798bfa5643c4098a1ae7d1ca3001e9b97433b2
sha512 aff84c2af0b3e90d423c4d99a1d63db895543ede22811f38e167033063652e18fbd9cabae9f0e92c20a2f5ecae70a12bcc4e4d5cce826412253a327396cd842d
ripemd-160 eb4565ce32a4799f6d01c76ab13aa6f5bd357306

21084785 as geometric shapes

Circle

Radius = n
Diameter 42169570
Circumference 132479611.31704
Area 1.3966520607517E+15

Sphere

Radius = n
Volume 3.9264144561008E+22
Surface area 5.5866082430067E+15
Circumference 132479611.31704

Square

Length = n
Perimeter 84339140
Area 444568158496225
Diagonal 29818388.906721

Cube

Length = n
Surface area 2667408950977350
Volume 9.3736240397388E+21
Space diagonal 36519918.886666

Equilateral Triangle

Length = n
Perimeter 63254355
Area 1.925036594857E+14
Altitude 18259959.443333

Triangular Pyramid

Length = n
Surface area 1.925036594857E+14
Volume 1.1046921871321E+21
Height 9939462.9689069