20921804 (number)

20921804 is an even 8-digits composite number following 20921803 and preceding 20921805. In scientific notation, it is written as 2.0921804 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10447008 positive integers (up to 20921804) that are relatively prime to 20921804.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred four

Notation

Scientific notation 2.0921804 × 10^7
Engineering notation 2.0921804 × 10^6

Prime Factorization of 20921804

Prime Factorization 2 × 2 × 859 × 6089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10460902
Product of the distinct prime numbers

The prime factorization of 20921804 is 2 × 2 × 859 × 6089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 13, 79, 198, 629, 3166, 7310, 24166, 1825, 521961, 828301, 8755873, 8402436, 68626574, 84750270, 290185724, 645373380, 1902382317, 2638378953

Basic calculations (n = 20921804)

Multiplication

n×y
n×2 41843608
n×3 62765412
n×4 83687216
n×5 104609020

Division

n÷y
n÷2 10460902
n÷3 6973934.6666667
n÷3 5230451
n÷5 4184360.8

Exponentiation

ny
n2 437721882614416
n3 9.1579314345698E+21
n4 1.9160044651951E+29
n5 4.0086269883936E+36

Nth Root

y√n
2√n 4574.0358546911
3√n 275.5495522982
4√n 67.631618749599
5√n 29.115203224966

Divisors of 20921804

1, 2, 4, 859, 1718, 3436, 6089, 12178, 24356, 5230451, 10460902, 20921804

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921803
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921804 can be divided by 12 positive divisors. The sum of these divisors (counting 20921804) is 1, the average is 0.083333333333333.

Base conversion 20921804

Base System Value
2 Binary 1001111110011110111001100
3 Ternary 1110100221022122
4 Quaternary 1033303313030
5 Quinary 20323444204
6 Senary 2024232112
8 Octal 117636714
10 Decimal 20921804
12 Duodecimal 700b638
16 Hexadecimal 13f3dcc
20 Vigesimal 6af4a4
36 Base36 cgfd8

Cryptographic Hash Functions

md5 69f511c81681f1883742e9f49d040143
sha1 75e1104966394c7854290976631af1f565d8a557
sha256 ed347cc93bd24d90c95f290e01a96c37a5dcdd17c013731adbc0eda5c1e80f6c
sha512 328ae74476cace4b7ca492ef0be46fbfec4aaf5339da6ebd778e7f51413922ec618cff04686f32f9e27760aa59e72b3285ae2e535c7b8728fae8957c706ec88c
ripemd-160 397b05c1e96bd3adaf34ba04e65906496e6d5ada

20921804 as geometric shapes

Circle

Radius = n
Diameter 41843608
Circumference 131455571.49249
Area 1.3751438507369E+15

Sphere

Radius = n
Volume 3.8360653489231E+22
Surface area 5.5005754029478E+15
Circumference 131455571.49249

Square

Length = n
Perimeter 83687216
Area 437721882614416
Diagonal 29587898.966112

Cube

Length = n
Surface area 2626331295686496
Volume 9.1579314345698E+21
Space diagonal 36237627.513998

Equilateral Triangle

Length = n
Perimeter 62765412
Area 1.8953913506822E+14
Altitude 18118813.756999

Triangular Pyramid

Length = n
Surface area 1.8953913506822E+14
Volume 1.0792725698376E+21
Height 9862632.9887039