20081639 (number)

20081639 is an odd 8-digits composite number following 20081638 and preceding 20081640. In scientific notation, it is written as 2.0081639 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19538856 positive integers (up to 20081639) that are relatively prime to 20081639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081639 × 10^7
Engineering notation 2.0081639 × 10^6

Prime Factorization of 20081639

Prime Factorization 37 × 542747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20081639
Product of the distinct prime numbers

The prime factorization of 20081639 is 37 × 542747. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081639)

Multiplication

n×y
n×2 40163278
n×3 60244917
n×4 80326556
n×5 100408195

Division

n÷y
n÷2 10040819.5
n÷3 6693879.6666667
n÷3 5020409.75
n÷5 4016327.8

Exponentiation

ny
n2 403272224926321
n3 8.0983672396972E+21
n4 1.6262848739703E+29
n5 3.2658465750231E+36

Nth Root

y√n
2√n 4481.254177125
3√n 271.81059749033
4√n 66.94217039449
5√n 28.877515865645

Divisors of 20081639

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 -20081638
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 20081639 can be divided by 4 positive divisors. The sum of these divisors (counting 20081639) is 1, the average is 0.25.

Base conversion 20081639

Base System Value
2 Binary 1001100100110101111100111
3 Ternary 1101210020211102
4 Quaternary 1030212233213
5 Quinary 20120103024
6 Senary 1554230315
8 Octal 114465747
10 Decimal 20081639
12 Duodecimal 688539b
16 Hexadecimal 1326be7
20 Vigesimal 65a41j
36 Base36 byf3b

Cryptographic Hash Functions

md5 a822fb0996eda599274f9ae4bd7c5529
sha1 d29f6ae9117a0a513f2b8f5769208c1b9196cae5
sha256 54e5a1012fcbc4a6e65bc63178f30cebd09f4b1b4e242cbe00758f908898a695
sha512 bf704ac32ca25cc5022266a887ea48d24e60fa6840da3bcd856b2b2fbdd5b524703b7e4b4f700321232fda80cc9d1faa4e3d6c52fdc47c847276bd1aef9dd254
ripemd-160 b50dbf002fe59c54148e43d212650270f06c97d6

20081639 as geometric shapes

Circle

Radius = n
Diameter 40163278
Circumference 126176659.10888
Area 1.2669170592253E+15

Sphere

Radius = n
Volume 3.3922361368407E+22
Surface area 5.0676682369014E+15
Circumference 126176659.10888

Square

Length = n
Perimeter 80326556
Area 403272224926321
Diagonal 28399726.22848

Cube

Length = n
Surface area 2419633349557926
Volume 8.0983672396972E+21
Space diagonal 34782419.047257

Equilateral Triangle

Length = n
Perimeter 60244917
Area 1.7462199571343E+14
Altitude 17391209.523628

Triangular Pyramid

Length = n
Surface area 1.7462199571343E+14
Volume 9.5440173195481E+20
Height 9466575.4094935