21084865 (number)

21084865 is an odd 8-digits composite number following 21084864 and preceding 21084866. In scientific notation, it is written as 2.1084865 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 16329600 positive integers (up to 21084865) that are relatively prime to 21084865.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand eight hundred sixty-five

Notation

Scientific notation 2.1084865 × 10^7
Engineering notation 2.1084865 × 10^6

Prime Factorization of 21084865

Prime Factorization 5 × 41 × 163 × 631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21084865
Product of the distinct prime numbers

The prime factorization of 21084865 is 5 × 41 × 163 × 631. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 91, 69, 908, 316, 4555, 4402, 134, 91199, 368971, 61584, 9254636, 9586103, 40045186, 63968740, 288661527, 568904133, 8361660202, 5542877589

Basic calculations (n = 21084865)

Multiplication

n×y
n×2 42169730
n×3 63254595
n×4 84339460
n×5 105424325

Division

n÷y
n÷2 10542432.5
n÷3 7028288.3333333
n÷3 5271216.25
n÷5 4216973

Exponentiation

ny
n2 444571532068225
n3 9.3737307365017E+21
n4 1.9764384712549E+29
n5 4.1672938347216E+36

Nth Root

y√n
2√n 4591.8258895564
3√n 276.26356273372
4√n 67.763012695396
5√n 29.160446190979

Divisors of 21084865

1, 5, 41, 163, 205, 631, 815, 3155, 6683, 25871, 33415, 102853, 129355, 514265, 4216973, 21084865

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084864
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084865 can be divided by 16 positive divisors. The sum of these divisors (counting 21084865) is 1, the average is 0.0625.

Base conversion 21084865

Base System Value
2 Binary 1010000011011101011000001
3 Ternary 1110200012222221
4 Quaternary 1100123223001
5 Quinary 20344203430
6 Senary 2031531041
8 Octal 120335301
10 Decimal 21084865
12 Duodecimal 7089a81
16 Hexadecimal 141bac1
20 Vigesimal 6bfc35
36 Base36 cjx6p

Cryptographic Hash Functions

md5 cbc60ab054f92125554dfc730ef0728b
sha1 91e1661d400db61d43743fa4fc57716a83d72689
sha256 f07d8e92da4dd186518c69250bcdff4efdba695d10c26874c72a9bed36d9670e
sha512 7307b7061e66e82e570c22a1c8747a3d5564c5050634cdfa9b5d373e370d8a1157520f438f08a832b7e76247f70db99ece0c6329b2e227443637727a73bed552
ripemd-160 699657d6a0c257b7007765b0c60a00ef9ef9c217

21084865 as geometric shapes

Circle

Radius = n
Diameter 42169730
Circumference 132480113.97187
Area 1.3966626591407E+15

Sphere

Radius = n
Volume 3.9264591491363E+22
Surface area 5.5866506365628E+15
Circumference 132480113.97187

Square

Length = n
Perimeter 84339460
Area 444571532068225
Diagonal 29818502.043806

Cube

Length = n
Surface area 2667429192409350
Volume 9.3737307365017E+21
Space diagonal 36520057.450731

Equilateral Triangle

Length = n
Perimeter 63254595
Area 1.9250512028523E+14
Altitude 18260028.725365

Triangular Pyramid

Length = n
Surface area 1.9250512028523E+14
Volume 1.1047047614662E+21
Height 9939500.6812686