20821486 (number)

20821486 is an even 8-digits composite number following 20821485 and preceding 20821487. In scientific notation, it is written as 2.0821486 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8535384 positive integers (up to 20821486) that are relatively prime to 20821486.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0821486 × 10^7
Engineering notation 2.0821486 × 10^6

Prime Factorization of 20821486

Prime Factorization 2 × 7 × 23 × 64663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20821486
Product of the distinct prime numbers

The prime factorization of 20821486 is 2 × 7 × 23 × 64663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 82, 52, 60, 588, 5958, 6137, 56567, 76096, 453742, 916091, 3603397, 4693879, 29834038, 18872085, 934763918, 134808743, 2409063850, 6874033114

Basic calculations (n = 20821486)

Multiplication

n×y
n×2 41642972
n×3 62464458
n×4 83285944
n×5 104107430

Division

n÷y
n÷2 10410743
n÷3 6940495.3333333
n÷3 5205371.5
n÷5 4164297.2

Exponentiation

ny
n2 433534279248196
n3 9.0268279258864E+21
n4 1.8795197128325E+29
n5 3.9134393387466E+36

Nth Root

y√n
2√n 4563.0566509742
3√n 275.10843547401
4√n 67.550400820234
5√n 29.087228609895

Divisors of 20821486

1, 2, 7, 14, 23, 46, 161, 322, 64663, 129326, 452641, 905282, 1487249, 2974498, 10410743, 20821486

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 -20821485
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 20821486 can be divided by 16 positive divisors. The sum of these divisors (counting 20821486) is 1, the average is 0.0625.

Base conversion 20821486

Base System Value
2 Binary 1001111011011010111101110
3 Ternary 1110011211201011
4 Quaternary 1033123113232
5 Quinary 20312241421
6 Senary 2022135434
8 Octal 117332756
10 Decimal 20821486
12 Duodecimal 6b8157a
16 Hexadecimal 13db5ee
20 Vigesimal 6a2de6
36 Base36 ce9ym

Cryptographic Hash Functions

md5 183c832b89aacb90dcafa31895b40bc9
sha1 c0bfc7c8c0d8e544fd08dcb3f4b5de18cf657260
sha256 9ddb91b758466073184c89e72075d26dd3fb49da4aaaff310ef3c479e69dfff3
sha512 d4a0e3bfce77b44c4f6264bf0f5d2d293047931c8a8113c0eabf52f99cffdef93d58a80641c8f858ec2da02f43e9e0e040edcff39b7321dfff437d5038bee265
ripemd-160 fb602a38bdbe81275b2ef87a15e78a51c99226c7

20821486 as geometric shapes

Circle

Radius = n
Diameter 41642972
Circumference 130825254.90885
Area 1.3619881067655E+15

Sphere

Radius = n
Volume 3.7811488396245E+22
Surface area 5.4479524270619E+15
Circumference 130825254.90885

Square

Length = n
Perimeter 83285944
Area 433534279248196
Diagonal 29446027.889962

Cube

Length = n
Surface area 2601205675489176
Volume 9.0268279258864E+21
Space diagonal 36063871.641084

Equilateral Triangle

Length = n
Perimeter 62464458
Area 1.8772584962016E+14
Altitude 18031935.820542

Triangular Pyramid

Length = n
Surface area 1.8772584962016E+14
Volume 1.0638218731664E+21
Height 9815342.6299872