20080905 (number)

20080905 is an odd 8-digits composite number following 20080904 and preceding 20080906. In scientific notation, it is written as 2.0080905 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 9225216 positive integers (up to 20080905) that are relatively prime to 20080905.

Interesting facts

Basic properties

Name

Name twenty million eighty thousand nine hundred five

Notation

Scientific notation 2.0080905 × 10^7
Engineering notation 2.0080905 × 10^6

Prime Factorization of 20080905

Prime Factorization 15 × 13 × 29 × 53 × 67

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20080905
Product of the distinct prime numbers

The prime factorization of 20080905 is 15 × 13 × 29 × 53 × 67. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20080905)

Multiplication

n×y
n×2 40161810
n×3 60242715
n×4 80323620
n×5 100404525

Division

n÷y
n÷2 10040452.5
n÷3 6693635
n÷3 5020226.25
n÷5 4016181

Exponentiation

ny
n2 403242745619025
n3 8.0974792667148E+21
n4 1.6260471189437E+29
n5 3.2652497721032E+36

Nth Root

y√n
2√n 4481.1722796608
3√n 271.80728581825
4√n 66.941558688611
5√n 28.877304763289

Divisors of 20080905

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20080904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20080905 can be divided by 32 positive divisors. The sum of these divisors (counting 20080905) is 1, the average is 0.03125.

Base conversion 20080905

Base System Value
2 Binary 1001100100110100100001001
3 Ternary 1101210012211020
4 Quaternary 1030212210021
5 Quinary 20120042110
6 Senary 1554223053
8 Octal 114464411
10 Decimal 20080905
12 Duodecimal 6884a89
16 Hexadecimal 1326909
20 Vigesimal 65a255
36 Base36 byeix

Cryptographic Hash Functions

md5 0bec3f26dad587db786a09eff4bd98ad
sha1 165a2a756fd882d7220b57001b670d7ec2333ed8
sha256 689e03cd043f9e54f85c8c9889d638764a2fb52fd10e4ff0a2c2191f5379261b
sha512 337d6f84e27438366a0ff2a152b583b35d66248b07e10f9d0ee43e5b23ca45fd6ded2e89f75dfdbc3c4203584ddb262efd912a0b9ed350cd8c6cb39901788191
ripemd-160 589b97798521eae10a3d26cc3dd4b06914c95f75

20080905 as geometric shapes

Circle

Radius = n
Diameter 40161810
Circumference 126172047.25087
Area 1.2668244472501E+15

Sphere

Radius = n
Volume 3.3918641835876E+22
Surface area 5.0672977890004E+15
Circumference 126172047.25087

Square

Length = n
Perimeter 80323620
Area 403242745619025
Diagonal 28398688.195726

Cube

Length = n
Surface area 2419456473714150
Volume 8.0974792667148E+21
Space diagonal 34781147.721964

Equilateral Triangle

Length = n
Perimeter 60242715
Area 1.7460923079893E+14
Altitude 17390573.860982

Triangular Pyramid

Length = n
Surface area 1.7460923079893E+14
Volume 9.5429708333525E+20
Height 9466229.3985752