20081689 (number)

20081689 is an odd 8-digits composite number following 20081688 and preceding 20081690. In scientific notation, it is written as 2.0081689 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 18987696 positive integers (up to 20081689) that are relatively prime to 20081689.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081689 × 10^7
Engineering notation 2.0081689 × 10^6

Prime Factorization of 20081689

Prime Factorization 19 × 1093 × 967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081689
Product of the distinct prime numbers

The prime factorization of 20081689 is 19 × 1093 × 967. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081689)

Multiplication

n×y
n×2 40163378
n×3 60245067
n×4 80326756
n×5 100408445

Division

n÷y
n÷2 10040844.5
n÷3 6693896.3333333
n÷3 5020422.25
n÷5 4016337.8

Exponentiation

ny
n2 403274233092721
n3 8.0984277306815E+21
n4 1.6263010707652E+29
n5 3.2658872323474E+36

Nth Root

y√n
2√n 4481.2597559169
3√n 271.81082307813
4√n 66.942212063218
5√n 28.87753024569

Divisors of 20081689

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 -20081688
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 20081689 can be divided by 8 positive divisors. The sum of these divisors (counting 20081689) is 1, the average is 0.125.

Base conversion 20081689

Base System Value
2 Binary 1001100100110110000011001
3 Ternary 1101210020220021
4 Quaternary 1030212300121
5 Quinary 20120103224
6 Senary 1554230441
8 Octal 114466031
10 Decimal 20081689
12 Duodecimal 6885421
16 Hexadecimal 1326c19
20 Vigesimal 65a449
36 Base36 byf4p

Cryptographic Hash Functions

md5 2630ea1962c875a6995ae0e3544438e2
sha1 ef40c02212a19aa74e830a6e6af73d47ec9b70fc
sha256 181f8e9ec8709bce55e3ab07cef785019828a65052152d4dda65d2c06aa48c9f
sha512 c8f671e73e4e9570cb5739475de00e7bbe62e861a4b647bddad3f512760d6a183e8f88e292142b1586a37e7ba8d0585d1cff298166198f2ac6456d820473f4cd
ripemd-160 a319a397240a20a71c9064282ae6af79e5def2d3

20081689 as geometric shapes

Circle

Radius = n
Diameter 40163378
Circumference 126176973.26815
Area 1.2669233680662E+15

Sphere

Radius = n
Volume 3.3922614752449E+22
Surface area 5.0676934722646E+15
Circumference 126176973.26815

Square

Length = n
Perimeter 80326756
Area 403274233092721
Diagonal 28399796.939159

Cube

Length = n
Surface area 2419645398556326
Volume 8.0984277306815E+21
Space diagonal 34782505.649797

Equilateral Triangle

Length = n
Perimeter 60245067
Area 1.7462286527499E+14
Altitude 17391252.824899

Triangular Pyramid

Length = n
Surface area 1.7462286527499E+14
Volume 9.5440886088568E+20
Height 9466598.9797195