20485939 (number)

20485939 is an odd 8-digits composite number following 20485938 and preceding 20485940. In scientific notation, it is written as 2.0485939 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19542336 positive integers (up to 20485939) that are relatively prime to 20485939.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-five thousand nine hundred thirty-nine

Notation

Scientific notation 2.0485939 × 10^7
Engineering notation 2.0485939 × 10^6

Prime Factorization of 20485939

Prime Factorization 23 × 457 × 1949

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20485939
Product of the distinct prime numbers

The prime factorization of 20485939 is 23 × 457 × 1949. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20485939)

Multiplication

n×y
n×2 40971878
n×3 61457817
n×4 81943756
n×5 102429695

Division

n÷y
n÷2 10242969.5
n÷3 6828646.3333333
n÷3 5121484.75
n÷5 4097187.8

Exponentiation

ny
n2 419673696711721
n3 8.5974097507408E+21
n4 1.7612601171168E+29
n5 3.6081067322388E+36

Nth Root

y√n
2√n 4526.1395250257
3√n 273.62259564961
4√n 67.276589724998
5√n 28.992867784299

Divisors of 20485939

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 -20485938
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 20485939 can be divided by 8 positive divisors. The sum of these divisors (counting 20485939) is 1, the average is 0.125.

Base conversion 20485939

Base System Value
2 Binary 1001110001001011100110011
3 Ternary 1102112210102111
4 Quaternary 1032021130303
5 Quinary 20221022224
6 Senary 2011030151
8 Octal 116113463
10 Decimal 20485939
12 Duodecimal 6a3b357
16 Hexadecimal 1389733
20 Vigesimal 680egj
36 Base36 c731v

Cryptographic Hash Functions

md5 03a929cb5f43e3d598aeabadac79bd9e
sha1 d69e23728e2b5d56c740192af96ae7e349334744
sha256 829babdf4f67cfa8a403170ecbb2ae69df83f76035fa3f30abf3d72f6e276d5a
sha512 886d146158bf72784e5cce1fb124bc477ad4277c67791a1c0001b326a385bec3eaedb1abb89be3154ddfd38a6daca6c87fc2a7abc957ff904a3804b4e76bdb50
ripemd-160 a68cf0b9089d6e239ef69415b3b4a8c72ba684ab

20485939 as geometric shapes

Circle

Radius = n
Diameter 40971878
Circumference 128716950.92858
Area 1.3184438024944E+15

Sphere

Radius = n
Volume 3.6012745750438E+22
Surface area 5.2737752099777E+15
Circumference 128716950.92858

Square

Length = n
Perimeter 81943756
Area 419673696711721
Diagonal 28971492.771748

Cube

Length = n
Surface area 2518042180270326
Volume 8.5974097507408E+21
Space diagonal 35482687.188757

Equilateral Triangle

Length = n
Perimeter 61457817
Area 1.8172404132624E+14
Altitude 17741343.594378

Triangular Pyramid

Length = n
Surface area 1.8172404132624E+14
Volume 1.013214455898E+21
Height 9657164.2572493