20405900 (number)

20405900 is an even 8-digits composite number following 20405899 and preceding 20405901. In scientific notation, it is written as 2.0405900 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 18 positive divisors. There are 8162320 positive integers (up to 20405900) that are relatively prime to 20405900.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred

Notation

Scientific notation 2.0405900 × 10^7
Engineering notation 2.0405900 × 10^6

Prime Factorization of 20405900

Prime Factorization 2 × 2 × 5 × 5 × 204059

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2040590
Product of the distinct prime numbers

The prime factorization of 20405900 is 2 × 2 × 5 × 5 × 204059. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 90, 19, 447, 187, 7401, 9177, 99719, 47821, 226593, 115085, 7939230, 7248854, 65337498, 32208589, 796298122, 767525173, 5388628721, 9310625176

Basic calculations (n = 20405900)

Multiplication

n×y
n×2 40811800
n×3 61217700
n×4 81623600
n×5 102029500

Division

n÷y
n÷2 10202950
n÷3 6801966.6666667
n÷3 5101475
n÷5 4081180

Exponentiation

ny
n2 416400754810000
n3 8.4970321625774E+21
n4 1.7338958860634E+29
n5 3.5381706061421E+36

Nth Root

y√n
2√n 4517.2890100147
3√n 273.26578078125
4√n 67.210780459795
5√n 28.970177145021

Divisors of 20405900

1, 2, 4, 5, 10, 20, 25, 50, 100, 204059, 408118, 816236, 1020295, 2040590, 4081180, 5101475, 10202950, 20405900

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405900 can be divided by 18 positive divisors. The sum of these divisors (counting 20405900) is 1, the average is 0.055555555555556.

Base conversion 20405900

Base System Value
2 Binary 1001101110101111010001100
3 Ternary 1102101201122002
4 Quaternary 1031311322030
5 Quinary 20210442100
6 Senary 2005211432
8 Octal 115657214
10 Decimal 20405900
12 Duodecimal 6a00b78
16 Hexadecimal 1375e8c
20 Vigesimal 67aef0
36 Base36 c5dak

Cryptographic Hash Functions

md5 e06c16c80a367da16005bfab04e73326
sha1 74badfa8731fcb9b8f1f90393b84a00aabe26b57
sha256 5d0469a9df99e7f1d02a18f43e284210ff09bc840c8edffd514a0e0cf1cc0256
sha512 8032a9c5ddbc592c17a7c5624910f40f1d21f2618fc6dbceaa3475176860f5c8be4e76ea8df1b787d1e8af133166ba3ce1ecfda29bbd6d8f92550d11c10cebee
ripemd-160 4d0d1dba8f9e781f48dff1fbb18f831ba92b7a17

20405900 as geometric shapes

Circle

Radius = n
Diameter 40811800
Circumference 128214051.05978
Area 1.3081615522603E+15

Sphere

Radius = n
Volume 3.5592285092359E+22
Surface area 5.2326462090414E+15
Circumference 128214051.05978

Square

Length = n
Perimeter 81623600
Area 416400754810000
Diagonal 28858300.532429

Cube

Length = n
Surface area 2498404528860000
Volume 8.4970321625774E+21
Space diagonal 35344055.57417

Equilateral Triangle

Length = n
Perimeter 61217700
Area 1.8030681591024E+14
Altitude 17672027.787085

Triangular Pyramid

Length = n
Surface area 1.8030681591024E+14
Volume 1.0013848436864E+21
Height 9619433.5108097