20807868 (number)

20807868 is an even 8-digits composite number following 20807867 and preceding 20807869. In scientific notation, it is written as 2.0807868 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 6935952 positive integers (up to 20807868) that are relatively prime to 20807868.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seven thousand eight hundred sixty-eight

Notation

Scientific notation 2.0807868 × 10^7
Engineering notation 2.0807868 × 10^6

Prime Factorization of 20807868

Prime Factorization 2 × 2 × 3 × 1733989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10403934
Product of the distinct prime numbers

The prime factorization of 20807868 is 2 × 2 × 3 × 1733989. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20807868)

Multiplication

n×y
n×2 41615736
n×3 62423604
n×4 83231472
n×5 104039340

Division

n÷y
n÷2 10403934
n÷3 6935956
n÷3 5201967
n÷5 4161573.6

Exponentiation

ny
n2 432967370705424
n3 9.0091278979455E+21
n4 1.8746074409557E+29
n5 3.9006584183224E+36

Nth Root

y√n
2√n 4561.5642054015
3√n 275.04844545958
4√n 67.539353012903
5√n 29.083422795575

Divisors of 20807868

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 -20807867
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 20807868 can be divided by 12 positive divisors. The sum of these divisors (counting 20807868) is 1, the average is 0.083333333333333.

Base conversion 20807868

Base System Value
2 Binary 1001111011000000010111100
3 Ternary 1110011011000210
4 Quaternary 1033120002330
5 Quinary 20311322433
6 Senary 2021552420
8 Octal 117300274
10 Decimal 20807868
12 Duodecimal 6b75710
16 Hexadecimal 13d80bc
20 Vigesimal 6a0jd8
36 Base36 cdzgc

Cryptographic Hash Functions

md5 9ce26976d4ca644097696bb616093fef
sha1 6640fd11678beadeb2f83b0a28dab44405cec3a7
sha256 b63311e4198bdbb182ec05c3112e46cb89a923335a1b47b09693602c6a1551b6
sha512 92081bc571c123d52fa920e832c5ddc8f07c09580c3bb473ae59bb3b67b526a6223115d80c0194365673df7e61c20767b61e87c46a39860285e03204ce774d81
ripemd-160 a12ad32816a7c0a19fda526f90ed94e762f08437

20807868 as geometric shapes

Circle

Radius = n
Diameter 41615736
Circumference 130739690.49133
Area 1.3602071110522E+15

Sphere

Radius = n
Volume 3.7737346692582E+22
Surface area 5.440828444209E+15
Circumference 130739690.49133

Square

Length = n
Perimeter 83231472
Area 432967370705424
Diagonal 29426769.129669

Cube

Length = n
Surface area 2597804224232544
Volume 9.0091278979455E+21
Space diagonal 36040284.573187

Equilateral Triangle

Length = n
Perimeter 62423604
Area 1.8748037102033E+14
Altitude 18020142.286593

Triangular Pyramid

Length = n
Surface area 1.8748037102033E+14
Volume 1.061735904869E+21
Height 9808923.043223