20389639 (number)

20389639 is an odd 8-digits composite number following 20389638 and preceding 20389640. In scientific notation, it is written as 2.0389639 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19633152 positive integers (up to 20389639) that are relatively prime to 20389639.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand six hundred thirty-nine

Notation

Scientific notation 2.0389639 × 10^7
Engineering notation 2.0389639 × 10^6

Prime Factorization of 20389639

Prime Factorization 29 × 499 × 1409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20389639
Product of the distinct prime numbers

The prime factorization of 20389639 is 29 × 499 × 1409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 46, 61, 236, 623, 5716, 3623, 24942, 95662, 820407, 891812, 7912958, 3272223, 39739463, 92023981, 517005249, 461089410, 7037897750, 5018880673

Basic calculations (n = 20389639)

Multiplication

n×y
n×2 40779278
n×3 61168917
n×4 81558556
n×5 101948195

Division

n÷y
n÷2 10194819.5
n÷3 6796546.3333333
n÷3 5097409.75
n÷5 4077927.8

Exponentiation

ny
n2 415737378550321
n3 8.4767350674474E+21
n4 1.7283756792389E+29
n5 3.5240956156062E+36

Nth Root

y√n
2√n 4515.4887886031
3√n 273.19317505264
4√n 67.197386769152
5√n 28.965558536865

Divisors of 20389639

1, 29, 499, 1409, 14471, 40861, 703091, 20389639

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 -20389638
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 20389639 can be divided by 8 positive divisors. The sum of these divisors (counting 20389639) is 1, the average is 0.125.

Base conversion 20389639

Base System Value
2 Binary 1001101110001111100000111
3 Ternary 1102100220022211
4 Quaternary 1031301330013
5 Quinary 20204432024
6 Senary 2005004251
8 Octal 115617407
10 Decimal 20389639
12 Duodecimal 69b3687
16 Hexadecimal 1371f07
20 Vigesimal 678e1j
36 Base36 c50qv

Cryptographic Hash Functions

md5 6ff1403ce10599b6dc66032059ac7e4e
sha1 399aa786391ba061686660f83c5ea05e3d0b1403
sha256 8b4e5193a6c0fe8ef2805fbe31f78edcd36159806572286a7a3f8453740ea19f
sha512 65a0baca60054bb12ee75b1751ce8d7336a81e93b0afa45c77229a6703fc7445920335c5ba7ff20ed02add8c87018893d7a51f8452464b2b4872ec129b7a6bf2
ripemd-160 9ab18965eb32e2ce86115b088df634bce7c19fac

20389639 as geometric shapes

Circle

Radius = n
Diameter 40779278
Circumference 128111880.1835
Area 1.3060774942764E+15

Sphere

Radius = n
Volume 3.5507264819093E+22
Surface area 5.2243099771055E+15
Circumference 128111880.1835

Square

Length = n
Perimeter 81558556
Area 415737378550321
Diagonal 28835304.005691

Cube

Length = n
Surface area 2494424271301926
Volume 8.4767350674474E+21
Space diagonal 35315890.695988

Equilateral Triangle

Length = n
Perimeter 61168917
Area 1.8001956556366E+14
Altitude 17657945.347994

Triangular Pyramid

Length = n
Surface area 1.8001956556366E+14
Volume 9.9899280808564E+20
Height 9611768.0018971