20789945 (number)

20789945 is an odd 8-digits composite number following 20789944 and preceding 20789946. In scientific notation, it is written as 2.0789945 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 15119920 positive integers (up to 20789945) that are relatively prime to 20789945.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-nine thousand nine hundred forty-five

Notation

Scientific notation 2.0789945 × 10^7
Engineering notation 2.0789945 × 10^6

Prime Factorization of 20789945

Prime Factorization 5 × 11 × 377999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20789945
Product of the distinct prime numbers

The prime factorization of 20789945 is 5 × 11 × 377999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20789945)

Multiplication

n×y
n×2 41579890
n×3 62369835
n×4 83159780
n×5 103949725

Division

n÷y
n÷2 10394972.5
n÷3 6929981.6666667
n÷3 5197486.25
n÷5 4157989

Exponentiation

ny
n2 432221813103025
n3 8.9858677222122E+21
n4 1.8681569572207E+29
n5 3.8838880391985E+36

Nth Root

y√n
2√n 4559.5992148433
3√n 274.96945115201
4√n 67.524804441356
5√n 29.078410827249

Divisors of 20789945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20789944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20789945 can be divided by 8 positive divisors. The sum of these divisors (counting 20789945) is 1, the average is 0.125.

Base conversion 20789945

Base System Value
2 Binary 1001111010011101010111001
3 Ternary 1110010020102222
4 Quaternary 1033103222321
5 Quinary 20310234240
6 Senary 2021333425
8 Octal 117235271
10 Decimal 20789945
12 Duodecimal 6b67275
16 Hexadecimal 13d3ab9
20 Vigesimal 69ieh5
36 Base36 cdlmh

Cryptographic Hash Functions

md5 db72cd2050aadf96e3c4a76adbd0cfde
sha1 83159db44a0520f663fd5ae5f33d052f6a466a70
sha256 d48a4ba926c4cc11029c3c8f0217e683ecdeac3aed5f0e31b6a4b57332036e4b
sha512 583f78a6642574ad5f16a4c1b2d17385016a8473db98202ee7e2900cea30709483acda54867668bd45513c76ba526bc23bc3f5a9c77c81b68bbd3111cbd0a7a4
ripemd-160 965b890a17063ee53dbf9ea0f841885c82ee3f4f

20789945 as geometric shapes

Circle

Radius = n
Diameter 41579890
Circumference 130627076.96107
Area 1.3578648727657E+15

Sphere

Radius = n
Volume 3.7639914696309E+22
Surface area 5.4314594910629E+15
Circumference 130627076.96107

Square

Length = n
Perimeter 83159780
Area 432221813103025
Diagonal 29401422.179991

Cube

Length = n
Surface area 2593330878618150
Volume 8.9858677222122E+21
Space diagonal 36009241.026563

Equilateral Triangle

Length = n
Perimeter 62369835
Area 1.8715753510849E+14
Altitude 18004620.513281

Triangular Pyramid

Length = n
Surface area 1.8715753510849E+14
Volume 1.0589946668703E+21
Height 9800474.0599969