20807855 (number)

20807855 is an odd 8-digits composite number following 20807854 and preceding 20807856. In scientific notation, it is written as 2.0807855 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 16259232 positive integers (up to 20807855) that are relatively prime to 20807855.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seven thousand eight hundred fifty-five

Notation

Scientific notation 2.0807855 × 10^7
Engineering notation 2.0807855 × 10^6

Prime Factorization of 20807855

Prime Factorization 5 × 11993 × 347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20807855
Product of the distinct prime numbers

The prime factorization of 20807855 is 5 × 11993 × 347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20807855)

Multiplication

n×y
n×2 41615710
n×3 62423565
n×4 83231420
n×5 104039275

Division

n÷y
n÷2 10403927.5
n÷3 6935951.6666667
n÷3 5201963.75
n÷5 4161571

Exponentiation

ny
n2 432966829701025
n3 9.0091110122286E+21
n4 1.8746027562136E+29
n5 3.9006462333892E+36

Nth Root

y√n
2√n 4561.5627804515
3√n 275.04838817948
4√n 67.539342463867
5√n 29.083419161521

Divisors of 20807855

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20807854
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20807855 can be divided by 8 positive divisors. The sum of these divisors (counting 20807855) is 1, the average is 0.125.

Base conversion 20807855

Base System Value
2 Binary 1001111011000000010101111
3 Ternary 1110011011000022
4 Quaternary 1033120002233
5 Quinary 20311322410
6 Senary 2021552355
8 Octal 117300257
10 Decimal 20807855
12 Duodecimal 6b756bb
16 Hexadecimal 13d80af
20 Vigesimal 6a0jcf
36 Base36 cdzfz

Cryptographic Hash Functions

md5 ba94be42eed83ad5511c040ea2755aa2
sha1 aca91720bb9a9e86d7b6ba8e6f16e7724ae83ff1
sha256 6ef01c766e0eb07bcb0860f4e6d2dc71e83c30a29ae8364bdead4f5d59ae8a08
sha512 68e8914feb033f8a365d216e82ce3e1e628f9adb39d5fa45a653fd778d6c8c59c9a04a643d7a616bd19536903fc3d5ece158bbf76be8db083b055ad80e02cc8c
ripemd-160 eedef69ac789a33bf4e0503ea268b38e57bfc3bf

20807855 as geometric shapes

Circle

Radius = n
Diameter 41615710
Circumference 130739608.80992
Area 1.3602054114368E+15

Sphere

Radius = n
Volume 3.7737275961856E+22
Surface area 5.4408216457472E+15
Circumference 130739608.80992

Square

Length = n
Perimeter 83231420
Area 432966829701025
Diagonal 29426750.744893

Cube

Length = n
Surface area 2597800978206150
Volume 9.0091110122286E+21
Space diagonal 36040262.056526

Equilateral Triangle

Length = n
Perimeter 62423565
Area 1.8748013675855E+14
Altitude 18020131.028263

Triangular Pyramid

Length = n
Surface area 1.8748013675855E+14
Volume 1.0617339148682E+21
Height 9808916.9149643