21086724 (number)

21086724 is an even 8-digits composite number following 21086723 and preceding 21086725. In scientific notation, it is written as 2.1086724 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 6913440 positive integers (up to 21086724) that are relatively prime to 21086724.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086724 × 10^7
Engineering notation 2.1086724 × 10^6

Prime Factorization of 21086724

Prime Factorization 2 × 2 × 3 × 61 × 28807

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10543362
Product of the distinct prime numbers

The prime factorization of 21086724 is 2 × 2 × 3 × 61 × 28807. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 73, 78, 860, 231, 4864, 8960, 62381, 86836, 678158, 145306, 7882546, 8116630, 35389504, 88786566, 714037937, 199457422, 8267532756, 7254214340

Basic calculations (n = 21086724)

Multiplication

n×y
n×2 42173448
n×3 63260172
n×4 84346896
n×5 105433620

Division

n÷y
n÷2 10543362
n÷3 7028908
n÷3 5271681
n÷5 4217344.8

Exponentiation

ny
n2 444649929052176
n3 9.3762103305428E+21
n4 1.9771355940611E+29
n5 4.1691312582541E+36

Nth Root

y√n
2√n 4592.0283100173
3√n 276.27168165172
4√n 67.764506270003
5√n 29.160960373619

Divisors of 21086724

1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 28807, 57614, 86421, 115228, 172842, 345684, 1757227, 3514454, 5271681, 7028908, 10543362, 21086724

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086723
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086724 can be divided by 24 positive divisors. The sum of these divisors (counting 21086724) is 1, the average is 0.041666666666667.

Base conversion 21086724

Base System Value
2 Binary 1010000011100001000000100
3 Ternary 1110200022112210
4 Quaternary 1100130020010
5 Quinary 20344233344
6 Senary 2031543420
8 Octal 120341004
10 Decimal 21086724
12 Duodecimal 708ab70
16 Hexadecimal 141c204
20 Vigesimal 6bfgg4
36 Base36 cjymc

Cryptographic Hash Functions

md5 f3d6e989f7375c8eb50d5951d3991e08
sha1 4826efad86732ac7163c41f244b8f0f2207a0e9c
sha256 7f4b20ad339f8446919d0f79990aab96d5f14660db9eae5993f988755dbbfdab
sha512 6914c50fefd2e1ba66121ae22881a873bd790a0cc476e87e145fde41db03183200be99424af453967fb417ff1ce7a9b68be69fd97d7d8e7b3e21a63ea33e21ac
ripemd-160 5159308255fbf15cb554af89898e4ef1b9fb4879

21086724 as geometric shapes

Circle

Radius = n
Diameter 42173448
Circumference 132491794.41335
Area 1.3969089505295E+15

Sphere

Radius = n
Volume 3.9274977990595E+22
Surface area 5.5876358021182E+15
Circumference 132491794.41335

Square

Length = n
Perimeter 84346896
Area 444649929052176
Diagonal 29821131.066818

Cube

Length = n
Surface area 2667899574313056
Volume 9.3762103305428E+21
Space diagonal 36523277.333182

Equilateral Triangle

Length = n
Perimeter 63260172
Area 1.9253906717507E+14
Altitude 18261638.666591

Triangular Pyramid

Length = n
Surface area 1.9253906717507E+14
Volume 1.1049969844264E+21
Height 9940377.0222727