20808515 (number)

20808515 is an odd 8-digits composite number following 20808514 and preceding 20808516. In scientific notation, it is written as 2.0808515 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 11902464 positive integers (up to 20808515) that are relatively prime to 20808515.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand five hundred fifteen

Notation

Scientific notation 2.0808515 × 10^7
Engineering notation 2.0808515 × 10^6

Prime Factorization of 20808515

Prime Factorization 91 × 83 × 5 × 19 × 29

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20808515
Product of the distinct prime numbers

The prime factorization of 20808515 is 91 × 83 × 5 × 19 × 29. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 79, 82, 663, 795, 8487, 88, 71084, 92703, 55976, 204496, 7494635, 128539, 39307920, 47769389, 9274774, 332186873, 7396039690, 8964051317

Basic calculations (n = 20808515)

Multiplication

n×y
n×2 41617030
n×3 62425545
n×4 83234060
n×5 104042575

Division

n÷y
n÷2 10404257.5
n÷3 6936171.6666667
n÷3 5202128.75
n÷5 4161703

Exponentiation

ny
n2 432994296505225
n3 9.0099683137434E+21
n4 1.8748406080605E+29
n5 3.9012648915437E+36

Nth Root

y√n
2√n 4561.6351235056
3√n 275.05129621616
4√n 67.539878024065
5√n 29.083603657358

Divisors of 20808515

1, 5, 19, 29, 83, 91, 95, 145, 415, 455, 551, 1577, 1729, 2407, 2639, 2755, 7553, 7885, 8645, 12035, 13195, 37765, 45733, 50141, 143507, 219037, 228665, 250705, 717535, 1095185, 4161703, 20808515

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808514
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808515 can be divided by 32 positive divisors. The sum of these divisors (counting 20808515) is 1, the average is 0.03125.

Base conversion 20808515

Base System Value
2 Binary 1001111011000001101000011
3 Ternary 1110011011220202
4 Quaternary 1033120031003
5 Quinary 20311333030
6 Senary 2021555415
8 Octal 117301503
10 Decimal 20808515
12 Duodecimal 6b75b6b
16 Hexadecimal 13d8343
20 Vigesimal 6a115f
36 Base36 cdzyb

Cryptographic Hash Functions

md5 78b1e0753c9ed5abd8726af3ed82a9a7
sha1 cb4db5deb4a797b9120b1fe095fdb857f390a586
sha256 d72c2479618101e2230b7d5e6490f5629fcd84ebcd4c4d62393897f66c6138bb
sha512 ec38e7818e8b541c0f9bb03d85f1b464510e0805151b202c1ef9d20dd25e159097bf840280cd845e7f92de97f9c7dda210682a780bfde86e7368de9d8190ae5e
ripemd-160 6a0fe53ae16e9dc6af768eed38701f71f1ca35a7

20808515 as geometric shapes

Circle

Radius = n
Diameter 41617030
Circumference 130743755.71223
Area 1.3602917009471E+15

Sphere

Radius = n
Volume 3.7740867018044E+22
Surface area 5.4411668037884E+15
Circumference 130743755.71223

Square

Length = n
Perimeter 83234060
Area 432994296505225
Diagonal 29427684.125844

Cube

Length = n
Surface area 2597965779031350
Volume 9.0099683137434E+21
Space diagonal 36041405.210059

Equilateral Triangle

Length = n
Perimeter 62425545
Area 1.8749203023365E+14
Altitude 18020702.60503

Triangular Pyramid

Length = n
Surface area 1.8749203023365E+14
Volume 1.0618349488206E+21
Height 9809228.041948