20405790 (number)

20405790 is an even 8-digits composite number following 20405789 and preceding 20405791. In scientific notation, it is written as 2.0405790 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 5441472 positive integers (up to 20405790) that are relatively prime to 20405790.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand seven hundred ninety

Notation

Scientific notation 2.0405790 × 10^7
Engineering notation 2.0405790 × 10^6

Prime Factorization of 20405790

Prime Factorization 2 × 5 × 3 × 3 × 3 × 75577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2267310
Product of the distinct prime numbers

The prime factorization of 20405790 is 2 × 5 × 3 × 3 × 3 × 75577. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 69, 60, 673, 775, 7524, 7028, 76320, 9881, 325514, 144009, 8068994, 4095250, 72749689, 3657578, 544859281, 500958895, 7279775652, 7608735779

Basic calculations (n = 20405790)

Multiplication

n×y
n×2 40811580
n×3 61217370
n×4 81623160
n×5 102028950

Division

n÷y
n÷2 10202895
n÷3 6801930
n÷3 5101447.5
n÷5 4081158

Exponentiation

ny
n2 416396265524100
n3 8.496894751069E+21
n4 1.7338584994242E+29
n5 3.5380752428965E+36

Nth Root

y√n
2√n 4517.2768345542
3√n 273.26528975839
4√n 67.21068988304
5√n 28.970145911639

Divisors of 20405790

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 75577, 151154, 226731, 377885, 453462, 680193, 755770, 1133655, 1360386, 2040579, 2267310, 3400965, 4081158, 6801930, 10202895, 20405790

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405790 can be divided by 32 positive divisors. The sum of these divisors (counting 20405790) is 1, the average is 0.03125.

Base conversion 20405790

Base System Value
2 Binary 1001101110101111000011110
3 Ternary 1102101201111000
4 Quaternary 1031311320132
5 Quinary 20210441130
6 Senary 2005211130
8 Octal 115657036
10 Decimal 20405790
12 Duodecimal 6a00aa6
16 Hexadecimal 1375e1e
20 Vigesimal 67ae9a
36 Base36 c5d7i

Cryptographic Hash Functions

md5 7378e6675076ea4a4e4c191061041053
sha1 a5fb94c3376abd1b1276e2b59f6661856aca3889
sha256 5bc572716e7be8d206ac07fc8b7bd47e6944a96fb037a2ae1a7d323b73f6fa24
sha512 111508acf96b1785f5a7e1a08980b52354e2161829f4df490c63f6ce68ae1008e9ab4b2a4b6a2789f580062c5550de8b571c2012129910171b9733f328029a4a
ripemd-160 730788b932938ddfc66e98001cf4e712074c47b9

20405790 as geometric shapes

Circle

Radius = n
Diameter 40811580
Circumference 128213359.90939
Area 1.3081474487527E+15

Sphere

Radius = n
Volume 3.5591709504379E+22
Surface area 5.232589795011E+15
Circumference 128213359.90939

Square

Length = n
Perimeter 81623160
Area 416396265524100
Diagonal 28858144.968937

Cube

Length = n
Surface area 2498377593144600
Volume 8.496894751069E+21
Space diagonal 35343865.048581

Equilateral Triangle

Length = n
Perimeter 61217370
Area 1.8030487199242E+14
Altitude 17671932.52429

Triangular Pyramid

Length = n
Surface area 1.8030487199242E+14
Volume 1.0013686495849E+21
Height 9619381.6563124