20784638 (number)

20784638 is an even 8-digits composite number following 20784637 and preceding 20784639. In scientific notation, it is written as 2.0784638 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8756376 positive integers (up to 20784638) that are relatively prime to 20784638.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-four thousand six hundred thirty-eight

Notation

Scientific notation 2.0784638 × 10^7
Engineering notation 2.0784638 × 10^6

Prime Factorization of 20784638

Prime Factorization 2 × 7 × 59 × 25163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20784638
Product of the distinct prime numbers

The prime factorization of 20784638 is 2 × 7 × 59 × 25163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 20, 14, 561, 671, 3588, 7765, 13712, 71964, 374491, 434969, 8865989, 7826258, 86629402, 74808180, 432693267, 897137338, 1523393052, 9607030757

Basic calculations (n = 20784638)

Multiplication

n×y
n×2 41569276
n×3 62353914
n×4 83138552
n×5 103923190

Division

n÷y
n÷2 10392319
n÷3 6928212.6666667
n÷3 5196159.5
n÷5 4156927.6

Exponentiation

ny
n2 432001176791044
n3 8.9789880751759E+21
n4 1.8662501674885E+29
n5 3.8789334148687E+36

Nth Root

y√n
2√n 4559.0172186558
3√n 274.94605222747
4√n 67.520494804584
5√n 29.076926120235

Divisors of 20784638

1, 2, 7, 14, 59, 118, 413, 826, 25163, 50326, 176141, 352282, 1484617, 2969234, 10392319, 20784638

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784638 can be divided by 16 positive divisors. The sum of these divisors (counting 20784638) is 1, the average is 0.0625.

Base conversion 20784638

Base System Value
2 Binary 1001111010010010111111110
3 Ternary 1110002222011102
4 Quaternary 1033102113332
5 Quinary 20310102023
6 Senary 2021253102
8 Octal 117222776
10 Decimal 20784638
12 Duodecimal 6b64192
16 Hexadecimal 13d25fe
20 Vigesimal 69i1bi
36 Base36 cdhj2

Cryptographic Hash Functions

md5 b9a4817773cabe106e3c42c91f85a5eb
sha1 117fd86cdb5ac2b82423fa0f62972cc96052e8af
sha256 332d4910b456c4555fcf0f37ba7f55b1f043d4d9588b64f095e045ffd4559f31
sha512 48407cdaeecd02adf2bf35e83e6e7d13182d53218003a4748ff9389ab112ebdbef8cff2317d4ad0aa819c808b9f005ba1caa2623e76d4bdb8360c79420ba1e05
ripemd-160 daf7fc8b080df2b8e7628fe22999e5af7e837430

20784638 as geometric shapes

Circle

Radius = n
Diameter 41569276
Circumference 130593732.09665
Area 1.3571717233489E+15

Sphere

Radius = n
Volume 3.761109729819E+22
Surface area 5.4286868933956E+15
Circumference 130593732.09665

Square

Length = n
Perimeter 83138552
Area 432001176791044
Diagonal 29393916.948615

Cube

Length = n
Surface area 2592007060746264
Volume 8.9789880751759E+21
Space diagonal 36000049.032927

Equilateral Triangle

Length = n
Perimeter 62353914
Area 1.8706199678291E+14
Altitude 18000024.516463

Triangular Pyramid

Length = n
Surface area 1.8706199678291E+14
Volume 1.0581838926917E+21
Height 9797972.3162051