20705405 (number)

20705405 is an odd 8-digits composite number following 20705404 and preceding 20705406. In scientific notation, it is written as 2.0705405 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 12638208 positive integers (up to 20705405) that are relatively prime to 20705405.

Interesting facts

Basic properties

Name

Name twenty million seven hundred five thousand four hundred five

Notation

Scientific notation 2.0705405 × 10^7
Engineering notation 2.0705405 × 10^6

Prime Factorization of 20705405

Prime Factorization 35 × 17 × 17 × 23 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1217965
Product of the distinct prime numbers

The prime factorization of 20705405 is 35 × 17 × 17 × 23 × 89. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 20, 44, 84, 301, 1049, 85, 89588, 38488, 277629, 899821, 7886754, 1355352, 77707651, 36541083, 637256925, 36937674, 3728609604, 3785738055

Basic calculations (n = 20705405)

Multiplication

n×y
n×2 41410810
n×3 62116215
n×4 82821620
n×5 103527025

Division

n÷y
n÷2 10352702.5
n÷3 6901801.6666667
n÷3 5176351.25
n÷5 4141081

Exponentiation

ny
n2 428713796214025
n3 8.8766927796989E+21
n4 1.8379551906424E+29
n5 3.8055606594103E+36

Nth Root

y√n
2√n 4550.3192195713
3√n 274.59623391076
4√n 67.45605398755
5√n 29.054723442041

Divisors of 20705405

1, 17, 23, 35, 89, 289, 391, 595, 805, 1513, 2047, 3115, 6647, 10115, 13685, 25721, 34799, 52955, 71645, 232645, 591583, 900235, 1217965, 20705405

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20705404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20705405 can be divided by 24 positive divisors. The sum of these divisors (counting 20705405) is 1, the average is 0.041666666666667.

Base conversion 20705405

Base System Value
2 Binary 1001110111111000001111101
3 Ternary 1102221221110212
4 Quaternary 1032333001331
5 Quinary 20300033110
6 Senary 2015442205
8 Octal 116770175
10 Decimal 20705405
12 Duodecimal 6b26365
16 Hexadecimal 13bf07d
20 Vigesimal 6983a5
36 Base36 cbse5

Cryptographic Hash Functions

md5 82a9f3558cf81ffbc2a104187394ca34
sha1 bea626494e4c34ac0e9c0e7ad8767083e6a6fef1
sha256 bb4f8314b913c907875021201a40bece82a4392841d8df6c9973acb8a524d56b
sha512 cad79b1dbdccbd08a6fb0483a5abb294110f82099e1cf3cfea4fa3b464408ba51d0d6ac0a5d9bfea4cd5d486b3dce1d80f90e0fe54674a3f3b6c5faa078e7968
ripemd-160 99bede91c76e45a70c625c8575c81b599e012b32

20705405 as geometric shapes

Circle

Radius = n
Diameter 41410810
Circumference 130095896.4752
Area 1.3468441126786E+15

Sphere

Radius = n
Volume 3.7182603766501E+22
Surface area 5.3873764507143E+15
Circumference 130095896.4752

Square

Length = n
Perimeter 82821620
Area 428713796214025
Diagonal 29281864.565428

Cube

Length = n
Surface area 2572282777284150
Volume 8.8766927796989E+21
Space diagonal 35862813.451291

Equilateral Triangle

Length = n
Perimeter 62116215
Area 1.8563851923711E+14
Altitude 17931406.725645

Triangular Pyramid

Length = n
Surface area 1.8563851923711E+14
Volume 1.0461282765058E+21
Height 9760621.5218092