21084786 (number)

21084786 is an even 8-digits composite number following 21084785 and preceding 21084787. In scientific notation, it is written as 2.1084786 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 40 positive divisors. There are 6975072 positive integers (up to 21084786) that are relatively prime to 21084786.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1084786 × 10^7
Engineering notation 2.1084786 × 10^6

Prime Factorization of 21084786

Prime Factorization 2 × 9 × 3 × 3 × 157 × 829

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7028262
Product of the distinct prime numbers

The prime factorization of 21084786 is 2 × 9 × 3 × 3 × 157 × 829. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 8, 33, 17, 365, 992, 9675, 919, 34403, 65173, 565311, 21552, 1817708, 6637438, 44377256, 99918003, 442336100, 558535918, 2888089351, 9056097181

Basic calculations (n = 21084786)

Multiplication

n×y
n×2 42169572
n×3 63254358
n×4 84339144
n×5 105423930

Division

n÷y
n÷2 10542393
n÷3 7028262
n÷3 5271196.5
n÷5 4216957.2

Exponentiation

ny
n2 444568200665796
n3 9.3736253734434E+21
n4 1.9764088504322E+29
n5 4.167215765987E+36

Nth Root

y√n
2√n 4591.8172873058
3√n 276.26321770189
4√n 67.762949222313
5√n 29.160424339487

Divisors of 21084786

1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 829, 942, 1413, 1658, 2487, 2826, 4239, 4974, 7461, 8478, 12717, 14922, 22383, 25434, 44766, 67149, 130153, 134298, 260306, 390459, 780918, 1171377, 2342754, 3514131, 7028262, 10542393, 21084786

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084785
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084786 can be divided by 40 positive divisors. The sum of these divisors (counting 21084786) is 1, the average is 0.025.

Base conversion 21084786

Base System Value
2 Binary 1010000011011101001110010
3 Ternary 1110200012220000
4 Quaternary 1100123221302
5 Quinary 20344203121
6 Senary 2031530430
8 Octal 120335162
10 Decimal 21084786
12 Duodecimal 7089a16
16 Hexadecimal 141ba72
20 Vigesimal 6bfbj6
36 Base36 cjx4i

Cryptographic Hash Functions

md5 1dbf7618013f87ad20e5186734a69124
sha1 9f4a85b3cacc046c5bf9298efb0c8868ac0a26de
sha256 379d9fdad03edc486b94d93bdf108a74493ff1672a6fc91bec147c0d7b6bab19
sha512 3acf1db84ab6fb7f54edbe15c1c861892195d73761955f12ef2e4060573b1fc9c7d32a1733982e5383529f880d8c3ed96e184faf4f2f6c1ff661850591797526
ripemd-160 e5efac21e444c03587ea2c0a8ba70779d4f4066d

21084786 as geometric shapes

Circle

Radius = n
Diameter 42169572
Circumference 132479617.60023
Area 1.3966521932313E+15

Sphere

Radius = n
Volume 3.9264150147617E+22
Surface area 5.5866087729252E+15
Circumference 132479617.60023

Square

Length = n
Perimeter 84339144
Area 444568200665796
Diagonal 29818390.320934

Cube

Length = n
Surface area 2667409203994776
Volume 9.3736253734434E+21
Space diagonal 36519920.618717

Equilateral Triangle

Length = n
Perimeter 63254358
Area 1.9250367774566E+14
Altitude 18259960.309358

Triangular Pyramid

Length = n
Surface area 1.9250367774566E+14
Volume 1.1046923443107E+21
Height 9939463.4403115