20807813 (number)

20807813 is an odd 8-digits composite number following 20807812 and preceding 20807814. In scientific notation, it is written as 2.0807813 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 18077184 positive integers (up to 20807813) that are relatively prime to 20807813.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seven thousand eight hundred thirteen

Notation

Scientific notation 2.0807813 × 10^7
Engineering notation 2.0807813 × 10^6

Prime Factorization of 20807813

Prime Factorization 221 × 94153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20807813
Product of the distinct prime numbers

The prime factorization of 20807813 is 221 × 94153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 15, 4, 128, 198, 7260, 2985, 96820, 38635, 69343, 294594, 1409685, 7159494, 37179350, 86065141, 946777703, 931823983, 9388693559, 1380862939

Basic calculations (n = 20807813)

Multiplication

n×y
n×2 41615626
n×3 62423439
n×4 83231252
n×5 104039065

Division

n÷y
n÷2 10403906.5
n÷3 6935937.6666667
n÷3 5201953.25
n÷5 4161562.6

Exponentiation

ny
n2 432965081842969
n3 9.0090564585182E+21
n4 1.8745876209529E+29
n5 3.9006068668903E+36

Nth Root

y√n
2√n 4561.5581767637
3√n 275.04820312051
4√n 67.539308382332
5√n 29.083407420718

Divisors of 20807813

1, 221, 94153, 20807813

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20807812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20807813 can be divided by 4 positive divisors. The sum of these divisors (counting 20807813) is 1, the average is 0.25.

Base conversion 20807813

Base System Value
2 Binary 1001111011000000010000101
3 Ternary 1110011010221202
4 Quaternary 1033120002011
5 Quinary 20311322223
6 Senary 2021552245
8 Octal 117300205
10 Decimal 20807813
12 Duodecimal 6b75685
16 Hexadecimal 13d8085
20 Vigesimal 6a0jad
36 Base36 cdzet

Cryptographic Hash Functions

md5 4f8476256a012f7c69868ac1523540c1
sha1 390d2d594773ae905657e83ed99a9287c1553c92
sha256 5a6b11f5af15d9d48fa6106c53108f3796312ab98262e20b7057307bafa27023
sha512 876ae105d9707a64901c687c0310fff5a24a89d75dea27c3221bb5cde4fd614acbf945b9ca7e282892674c360428c530f6e2c561d34babd28fea08a49fec924e
ripemd-160 0c557553daee7d5b3d813304297dd2c2872340e5

20807813 as geometric shapes

Circle

Radius = n
Diameter 41615626
Circumference 130739344.91614
Area 1.3601999203788E+15

Sphere

Radius = n
Volume 3.7737047447809E+22
Surface area 5.4407996815151E+15
Circumference 130739344.91614

Square

Length = n
Perimeter 83231252
Area 432965081842969
Diagonal 29426691.347923

Cube

Length = n
Surface area 2597790491057814
Volume 9.0090564585182E+21
Space diagonal 36040189.310392

Equilateral Triangle

Length = n
Perimeter 62423439
Area 1.8747937991381E+14
Altitude 18020094.655196

Triangular Pyramid

Length = n
Surface area 1.8747937991381E+14
Volume 1.0617274856518E+21
Height 9808897.1159744