20389907 (number)

20389907 is an odd 8-digits composite number following 20389906 and preceding 20389908. In scientific notation, it is written as 2.0389907 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19316736 positive integers (up to 20389907) that are relatively prime to 20389907.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand nine hundred seven

Notation

Scientific notation 2.0389907 × 10^7
Engineering notation 2.0389907 × 10^6

Prime Factorization of 20389907

Prime Factorization 19 × 1073153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20389907
Product of the distinct prime numbers

The prime factorization of 20389907 is 19 × 1073153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389907)

Multiplication

n×y
n×2 40779814
n×3 61169721
n×4 81559628
n×5 101949535

Division

n÷y
n÷2 10194953.5
n÷3 6796635.6666667
n÷3 5097476.75
n÷5 4077981.4

Exponentiation

ny
n2 415748307468649
n3 8.4770693246932E+21
n4 1.7284665516305E+29
n5 3.5243272240356E+36

Nth Root

y√n
2√n 4515.5184641412
3√n 273.19437199144
4√n 67.197607577511
5√n 28.965634680722

Divisors of 20389907

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20389906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20389907 can be divided by 4 positive divisors. The sum of these divisors (counting 20389907) is 1, the average is 0.25.

Base conversion 20389907

Base System Value
2 Binary 1001101110010000000010011
3 Ternary 1102100220200202
4 Quaternary 1031302000103
5 Quinary 20204434112
6 Senary 2005005415
8 Octal 115620023
10 Decimal 20389907
12 Duodecimal 69b386b
16 Hexadecimal 1372013
20 Vigesimal 678ef7
36 Base36 c50yb

Cryptographic Hash Functions

md5 007f8526625fec34d84f7d94e45968c5
sha1 279a408e9cf958bc1dcab5b53bdf207e635e735e
sha256 353df61614c940d9a56b5e5adeef19ca242938711c25f07d86eb7ff8585f177d
sha512 c3a76219434ea3c537b333308f2422bc14e6b62f14ceb2bb6a0d64dca182608a57116a4ae45e5061af266e092f2e7fce2bf1317b358b04a5ee5924df138ec88c
ripemd-160 b743058dc1c26da38081f39d6e97ca91cd4af230

20389907 as geometric shapes

Circle

Radius = n
Diameter 40779814
Circumference 128113564.07716
Area 1.3061118284859E+15

Sphere

Radius = n
Volume 3.550866495257E+22
Surface area 5.2244473139436E+15
Circumference 128113564.07716

Square

Length = n
Perimeter 81559628
Area 415748307468649
Diagonal 28835683.014926

Cube

Length = n
Surface area 2494489844811894
Volume 8.4770693246932E+21
Space diagonal 35316354.885604

Equilateral Triangle

Length = n
Perimeter 61169721
Area 1.8002429792412E+14
Altitude 17658177.442802

Triangular Pyramid

Length = n
Surface area 1.8002429792412E+14
Volume 9.9903220067983E+20
Height 9611894.3383087