19989145 (number)

19989145 is an odd 8-digits composite number following 19989144 and preceding 19989146. In scientific notation, it is written as 1.9989145 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 14537520 positive integers (up to 19989145) that are relatively prime to 19989145.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-nine thousand one hundred forty-five

Notation

Scientific notation 1.9989145 × 10^7
Engineering notation 1.9989145 × 10^6

Prime Factorization of 19989145

Prime Factorization 5 × 11 × 363439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19989145
Product of the distinct prime numbers

The prime factorization of 19989145 is 5 × 11 × 363439. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19989145)

Multiplication

n×y
n×2 39978290
n×3 59967435
n×4 79956580
n×5 99945725

Division

n÷y
n÷2 9994572.5
n÷3 6663048.3333333
n÷3 4997286.25
n÷5 3997829

Exponentiation

ny
n2 399565917831025
n3 7.9869810685824E+21
n4 1.5965292269215E+29
n5 3.1913254213672E+36

Nth Root

y√n
2√n 4470.9221643862
3√n 271.39264443358
4√n 66.864954680208
5√n 28.850865336448

Divisors of 19989145

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 -19989144
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 19989145 can be divided by 8 positive divisors. The sum of these divisors (counting 19989145) is 1, the average is 0.125.

Base conversion 19989145

Base System Value
2 Binary 1001100010000001010011001
3 Ternary 1101121112221201
4 Quaternary 1030100022121
5 Quinary 20104123040
6 Senary 1552234201
8 Octal 114201231
10 Decimal 19989145
12 Duodecimal 683b961
16 Hexadecimal 1310299
20 Vigesimal 64ich5
36 Base36 bwfq1

Cryptographic Hash Functions

md5 15c9bcea8316860d7c6c4804dcbb8df5
sha1 d57313f8ec5b6aa861f7a4518494d79a27077425
sha256 b4a879ed9135dc9120ca72ad9c0d17736ff8028524b59f0f2ee1704ddbfce5ec
sha512 cf8da431d593b1e38c37824586d2fc98d2d69022e656e64690b8b57ae8a68c3a1651c9d6ac69d43f0345a746de882e58081933741152e2bfe24944634965d75f
ripemd-160 6ceea6ee27d104862856175237595024e23db3ba

19989145 as geometric shapes

Circle

Radius = n
Diameter 39978290
Circumference 125595502.16708
Area 1.2552733520828E+15

Sphere

Radius = n
Volume 3.3455788065892E+22
Surface area 5.0210934083312E+15
Circumference 125595502.16708

Square

Length = n
Perimeter 79956580
Area 399565917831025
Diagonal 28268919.959242

Cube

Length = n
Surface area 2397395506986150
Volume 7.9869810685824E+21
Space diagonal 34622214.739861

Equilateral Triangle

Length = n
Perimeter 59967435
Area 1.7301711766406E+14
Altitude 17311107.369931

Triangular Pyramid

Length = n
Surface area 1.7301711766406E+14
Volume 9.4127474580054E+20
Height 9422973.3197474