20081665 (number)

20081665 is an odd 8-digits composite number following 20081664 and preceding 20081666. In scientific notation, it is written as 2.0081665 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16007040 positive integers (up to 20081665) that are relatively prime to 20081665.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand six hundred sixty-five

Notation

Scientific notation 2.0081665 × 10^7
Engineering notation 2.0081665 × 10^6

Prime Factorization of 20081665

Prime Factorization 5 × 281 × 14293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081665
Product of the distinct prime numbers

The prime factorization of 20081665 is 5 × 281 × 14293. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081665)

Multiplication

n×y
n×2 40163330
n×3 60244995
n×4 80326660
n×5 100408325

Division

n÷y
n÷2 10040832.5
n÷3 6693888.3333333
n÷3 5020416.25
n÷5 4016333

Exponentiation

ny
n2 403273269172225
n3 8.0983986949714E+21
n4 1.6262932962885E+29
n5 3.2658677167812E+36

Nth Root

y√n
2√n 4481.2570780976
3√n 271.81071479603
4√n 66.942192062238
5√n 28.877523343272

Divisors of 20081665

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 -20081664
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 20081665 can be divided by 8 positive divisors. The sum of these divisors (counting 20081665) is 1, the average is 0.125.

Base conversion 20081665

Base System Value
2 Binary 1001100100110110000000001
3 Ternary 1101210020212101
4 Quaternary 1030212300001
5 Quinary 20120103130
6 Senary 1554230401
8 Octal 114466001
10 Decimal 20081665
12 Duodecimal 6885401
16 Hexadecimal 1326c01
20 Vigesimal 65a435
36 Base36 byf41

Cryptographic Hash Functions

md5 b054044fbaf8f878920b9a78aead0df2
sha1 69be831ddc64c8bbe911661b97f9efb293bb0a88
sha256 f217733fa67f172f68354ae1fd8f56aa48228602967dc8444bbb357dec6dd460
sha512 87f98029c9eecbc114621417b574a2d687d0205abebbebe86b750d588c1075b1df49c0eda1f9b886a3454ca71c7ef50f30c157bd42f2e3893f332f6068f320bf
ripemd-160 f35ccf93e501a8becfe35935fc0ef41b7335a22d

20081665 as geometric shapes

Circle

Radius = n
Diameter 40163330
Circumference 126176822.4717
Area 1.2669203398206E+15

Sphere

Radius = n
Volume 3.3922493127951E+22
Surface area 5.0676813592824E+15
Circumference 126176822.4717

Square

Length = n
Perimeter 80326660
Area 403273269172225
Diagonal 28399762.998033

Cube

Length = n
Surface area 2419639615033350
Volume 8.0983986949714E+21
Space diagonal 34782464.080578

Equilateral Triangle

Length = n
Perimeter 60244995
Area 1.7462244788517E+14
Altitude 17391232.040289

Triangular Pyramid

Length = n
Surface area 1.7462244788517E+14
Volume 9.5440543899443E+20
Height 9466587.666011