20797821 (number)

20797821 is an odd 8-digits composite number following 20797820 and preceding 20797822. In scientific notation, it is written as 2.0797821 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 12549600 positive integers (up to 20797821) that are relatively prime to 20797821.

Interesting facts

Basic properties

Name

Name twenty million seven hundred ninety-seven thousand eight hundred twenty-one

Notation

Scientific notation 2.0797821 × 10^7
Engineering notation 2.0797821 × 10^6

Prime Factorization of 20797821

Prime Factorization 3 × 3 × 11 × 421 × 499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6932607
Product of the distinct prime numbers

The prime factorization of 20797821 is 3 × 3 × 11 × 421 × 499. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 17, 45, 41, 649, 9798, 4708, 43916, 80402, 179228, 110829, 1730636, 137350, 20712938, 2246769, 443413883, 245824157, 2320769993, 1202298068

Basic calculations (n = 20797821)

Multiplication

n×y
n×2 41595642
n×3 62393463
n×4 83191284
n×5 103989105

Division

n÷y
n÷2 10398910.5
n÷3 6932607
n÷3 5199455.25
n÷5 4159564.2

Exponentiation

ny
n2 432549358348041
n3 8.9960841285874E+21
n4 1.870989474073E+29
n5 3.8912504174655E+36

Nth Root

y√n
2√n 4560.4628054617
3√n 275.00416963375
4√n 67.531198756291
5√n 29.080613688938

Divisors of 20797821

1, 3, 9, 11, 33, 99, 421, 499, 1263, 1497, 3789, 4491, 4631, 5489, 13893, 16467, 41679, 49401, 210079, 630237, 1890711, 2310869, 6932607, 20797821

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 -20797820
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 20797821 can be divided by 24 positive divisors. The sum of these divisors (counting 20797821) is 1, the average is 0.041666666666667.

Base conversion 20797821

Base System Value
2 Binary 1001111010101100101111101
3 Ternary 1110010122020200
4 Quaternary 1033111211331
5 Quinary 20311012241
6 Senary 2021434113
8 Octal 117254575
10 Decimal 20797821
12 Duodecimal 6b6b939
16 Hexadecimal 13d597d
20 Vigesimal 69jeb1
36 Base36 cdrp9

Cryptographic Hash Functions

md5 4d73873cd7dff56a1d0c31f4f85c7596
sha1 3a790f9b263991214f5488d7f60b7b1f96f114ab
sha256 620a942baa8bfac9ec0f6f158b19e6899f7c949ab590b843d749129d145bef44
sha512 c9392c3935d2ebc49162a21230c3db59b323512edb0898ce08a5dc1115e062598db1dcc3b9f67ba50cd62dc889f34fe5b58e0174686e239b19017f1786355304
ripemd-160 07c54f6b78017368c4b16b0ea53ffca600adad13

20797821 as geometric shapes

Circle

Radius = n
Diameter 41595642
Circumference 130676563.32855
Area 1.3588938865012E+15

Sphere

Radius = n
Volume 3.7682709079261E+22
Surface area 5.4355755460047E+15
Circumference 130676563.32855

Square

Length = n
Perimeter 83191284
Area 432549358348041
Diagonal 29412560.526008

Cube

Length = n
Surface area 2595296150088246
Volume 8.9960841285874E+21
Space diagonal 36022882.658723

Equilateral Triangle

Length = n
Perimeter 62393463
Area 1.8729936636003E+14
Altitude 18011441.329361

Triangular Pyramid

Length = n
Surface area 1.8729936636003E+14
Volume 1.0601986819081E+21
Height 9804186.8420027