20405920 (number)

20405920 is an even 8-digits composite number following 20405919 and preceding 20405921. In scientific notation, it is written as 2.0405920 × 10^7. The sum of its digits is 22. It has a total of 8 prime factors and 48 positive divisors. There are 8065024 positive integers (up to 20405920) that are relatively prime to 20405920.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred twenty

Notation

Scientific notation 2.0405920 × 10^7
Engineering notation 2.0405920 × 10^6

Prime Factorization of 20405920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 89 × 1433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1275370
Product of the distinct prime numbers

The prime factorization of 20405920 is 2 × 2 × 2 × 2 × 2 × 5 × 89 × 1433. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 1, 73, 43, 596, 866, 1880, 4454, 72365, 54218, 674109, 125686, 7845082, 5064666, 75001887, 54478521, 955560131, 188770168, 4892245960, 7291739671

Basic calculations (n = 20405920)

Multiplication

n×y
n×2 40811840
n×3 61217760
n×4 81623680
n×5 102029600

Division

n÷y
n÷2 10202960
n÷3 6801973.3333333
n÷3 5101480
n÷5 4081184

Exponentiation

ny
n2 416401571046400
n3 8.4970571466472E+21
n4 1.7339026836991E+29
n5 3.5381879451349E+36

Nth Root

y√n
2√n 4517.2912237313
3√n 273.26587005794
4√n 67.210796928256
5√n 28.970182823803

Divisors of 20405920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1433, 1780, 2848, 2866, 3560, 5732, 7120, 7165, 11464, 14240, 14330, 22928, 28660, 45856, 57320, 114640, 127537, 229280, 255074, 510148, 637685, 1020296, 1275370, 2040592, 2550740, 4081184, 5101480, 10202960, 20405920

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405920 can be divided by 48 positive divisors. The sum of these divisors (counting 20405920) is 1, the average is 0.020833333333333.

Base conversion 20405920

Base System Value
2 Binary 1001101110101111010100000
3 Ternary 1102101201122211
4 Quaternary 1031311322200
5 Quinary 20210442140
6 Senary 2005211504
8 Octal 115657240
10 Decimal 20405920
12 Duodecimal 6a00b94
16 Hexadecimal 1375ea0
20 Vigesimal 67aeg0
36 Base36 c5db4

Cryptographic Hash Functions

md5 478d486d9ce5aa1d9591be2bff49c8b6
sha1 58c319eee63647fed3a6a62ccec6708aea51094d
sha256 df786e14efdefcd0045cba1c149454dcaaffd710a6e3c1b7d36d6c51f50e8a0e
sha512 e34afa6addcd7aa9eb7e8791230796cace3b5459f9ba9258fdfc3aae85ec2ec389c36129db7a5ae2d0682bf4cd695ff64024c898e2acfca36061f2e3c0fadbcc
ripemd-160 103c56d4b239199bc54977e29004a0d7180888f0

20405920 as geometric shapes

Circle

Radius = n
Diameter 40811840
Circumference 128214176.72348
Area 1.3081641165426E+15

Sphere

Radius = n
Volume 3.5592389745386E+22
Surface area 5.2326564661705E+15
Circumference 128214176.72348

Square

Length = n
Perimeter 81623680
Area 416401571046400
Diagonal 28858328.8167

Cube

Length = n
Surface area 2498409426278400
Volume 8.4970571466472E+21
Space diagonal 35344090.215186

Equilateral Triangle

Length = n
Perimeter 61217760
Area 1.8030716935097E+14
Altitude 17672045.107593

Triangular Pyramid

Length = n
Surface area 1.8030716935097E+14
Volume 1.0013877880873E+21
Height 9619442.9389001