20808897 (number)

20808897 is an odd 8-digits composite number following 20808896 and preceding 20808898. In scientific notation, it is written as 2.0808897 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 13872596 positive integers (up to 20808897) that are relatively prime to 20808897.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0808897 × 10^7
Engineering notation 2.0808897 × 10^6

Prime Factorization of 20808897

Prime Factorization 3 × 6936299

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20808897
Product of the distinct prime numbers

The prime factorization of 20808897 is 3 × 6936299. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20808897)

Multiplication

n×y
n×2 41617794
n×3 62426691
n×4 83235588
n×5 104044485

Division

n÷y
n÷2 10404448.5
n÷3 6936299
n÷3 5202224.25
n÷5 4161779.4

Exponentiation

ny
n2 433010194356609
n3 9.0104645343167E+21
n4 1.8749782841675E+29
n5 3.9016229992478E+36

Nth Root

y√n
2√n 4561.6769942643
3√n 275.05297932445
4√n 67.540187993996
5√n 29.083710439173

Divisors of 20808897

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 -20808896
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 20808897 can be divided by 4 positive divisors. The sum of these divisors (counting 20808897) is 1, the average is 0.25.

Base conversion 20808897

Base System Value
2 Binary 1001111011000010011000001
3 Ternary 1110011012102220
4 Quaternary 1033120103001
5 Quinary 20311341042
6 Senary 2022001253
8 Octal 117302301
10 Decimal 20808897
12 Duodecimal 6b76229
16 Hexadecimal 13d84c1
20 Vigesimal 6a124h
36 Base36 ce08x

Cryptographic Hash Functions

md5 3269abda7f19ae8016b1f45c01b97fb1
sha1 4cf1d045005017e520dc864edd2b307ad96a2060
sha256 4893500c9506b02a1e326d51cd6d5cd60a4575a72c1874a9f9e01ba026156e16
sha512 588ca39102530149ca5987de6e151878503bb5edce83f3a89f60e20c1a3d75aba03a5c8963df7da8ed2125528e733aab34af134b6007cba4f55cf4973f30edcb
ripemd-160 331588e0caa960a54173cefbb2d407c00e188f02

20808897 as geometric shapes

Circle

Radius = n
Diameter 41617794
Circumference 130746155.88901
Area 1.3603416455202E+15

Sphere

Radius = n
Volume 3.7742945581921E+22
Surface area 5.4413665820808E+15
Circumference 130746155.88901

Square

Length = n
Perimeter 83235588
Area 433010194356609
Diagonal 29428224.355425

Cube

Length = n
Surface area 2598061166139654
Volume 9.0104645343167E+21
Space diagonal 36042066.853468

Equilateral Triangle

Length = n
Perimeter 62426691
Area 1.8749891420523E+14
Altitude 18021033.426734

Triangular Pyramid

Length = n
Surface area 1.8749891420523E+14
Volume 1.061893428976E+21
Height 9809408.1184749