20809797 (number)

20809797 is an odd 8-digits composite number following 20809796 and preceding 20809798. In scientific notation, it is written as 2.0809797 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13844400 positive integers (up to 20809797) that are relatively prime to 20809797.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0809797 × 10^7
Engineering notation 2.0809797 × 10^6

Prime Factorization of 20809797

Prime Factorization 3 × 499 × 13901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20809797
Product of the distinct prime numbers

The prime factorization of 20809797 is 3 × 499 × 13901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809797)

Multiplication

n×y
n×2 41619594
n×3 62429391
n×4 83239188
n×5 104048985

Division

n÷y
n÷2 10404898.5
n÷3 6936599
n÷3 5202449.25
n÷5 4161959.4

Exponentiation

ny
n2 433047651181209
n3 9.0116337124078E+21
n4 1.8753026819356E+29
n5 3.9024668124636E+36

Nth Root

y√n
2√n 4561.7756411292
3√n 275.05694468139
4√n 67.540918272772
5√n 29.083962013166

Divisors of 20809797

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 -20809796
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 20809797 can be divided by 8 positive divisors. The sum of these divisors (counting 20809797) is 1, the average is 0.125.

Base conversion 20809797

Base System Value
2 Binary 1001111011000100001000101
3 Ternary 1110011020200020
4 Quaternary 1033120201011
5 Quinary 20311403142
6 Senary 2022005353
8 Octal 117304105
10 Decimal 20809797
12 Duodecimal 6b76859
16 Hexadecimal 13d8845
20 Vigesimal 6a149h
36 Base36 ce0xx

Cryptographic Hash Functions

md5 24ac166f615daf3ae1318ce6fe7d831e
sha1 7f8c23226de4e58bd4f6fe3235352dc05f61a705
sha256 0d0df728e40d6396b07c9034c33bb6304cb81f2b797cabec1038815b4330934f
sha512 360219da20fe25d46c47bc67cf427c6d8fb0aa23cdbf20dd08c74237c463e0de68b36d771b150897460ea88341b7236ba372a3514141ac65031e63b0074dd3b5
ripemd-160 44a66956f52a1359e6d82e0c8765664e3c30fe31

20809797 as geometric shapes

Circle

Radius = n
Diameter 41619594
Circumference 130751810.75579
Area 1.3604593196052E+15

Sphere

Radius = n
Volume 3.7747843023656E+22
Surface area 5.4418372784208E+15
Circumference 130751810.75579

Square

Length = n
Perimeter 83239188
Area 433047651181209
Diagonal 29429497.147631

Cube

Length = n
Surface area 2598285907087254
Volume 9.0116337124078E+21
Space diagonal 36043625.699194

Equilateral Triangle

Length = n
Perimeter 62429391
Area 1.8751513348605E+14
Altitude 18021812.849597

Triangular Pyramid

Length = n
Surface area 1.8751513348605E+14
Volume 1.0620312179355E+21
Height 9809832.3825436