19985909 (number)

19985909 is an odd 8-digits prime number following 19985908 and preceding 19985910. In scientific notation, it is written as 1.9985909 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 19985908 positive integers (up to 19985909) that are relatively prime to 19985909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9985909 × 10^7
Engineering notation 1.9985909 × 10^6

Prime Factorization of 19985909

Prime Factorization 19985909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 19985909
Product of the distinct prime numbers

The prime factorization of 19985909 is 19985909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19985909)

Multiplication

n×y
n×2 39971818
n×3 59957727
n×4 79943636
n×5 99929545

Division

n÷y
n÷2 9992954.5
n÷3 6661969.6666667
n÷3 4996477.25
n÷5 3997181.8

Exponentiation

ny
n2 399436558556281
n3 7.983102710579E+21
n4 1.5954956431129E+29
n5 3.188743073315E+36

Nth Root

y√n
2√n 4470.5602557174
3√n 271.37799858466
4√n 66.862248359724
5√n 28.849931154956

Divisors of 19985909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 19985910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9992955
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4470.5603675602
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998999295
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19985909 can be divided by 2 positive divisors. The sum of these divisors (counting 19985909) is 19985910, the average is 9992955.

Base conversion 19985909

Base System Value
2 Binary 1001100001111010111110101
3 Ternary 1101121101111212
4 Quaternary 1030033113311
5 Quinary 20104022114
6 Senary 1552211205
8 Octal 114172765
10 Decimal 19985909
12 Duodecimal 6839b05
16 Hexadecimal 130f5f5
20 Vigesimal 64i4f9
36 Base36 bwd85

Cryptographic Hash Functions

md5 9ab49280e21d5285536d7c554d177cc1
sha1 5536e67587e06068e61fbb466479954b7200e627
sha256 610e89180593eedd91e8026154b1e964b4377bf28026a51ca8bd95ded607563a
sha512 12af47ae589a3d95c5b1d91aa00fbd299809a3861a1498f865f6cfa8152fd3717e1eab4999d2a95bfcb661600506cdac310949083283f4a7701ecd421bc7fc5b
ripemd-160 0909c780c8caceccc6844af8cc96a961139ca839

19985909 as geometric shapes

Circle

Radius = n
Diameter 39971818
Circumference 125575169.77943
Area 1.2548669579356E+15

Sphere

Radius = n
Volume 3.3439542437877E+22
Surface area 5.0194678317424E+15
Circumference 125575169.77943

Square

Length = n
Perimeter 79943636
Area 399436558556281
Diagonal 28264343.564155

Cube

Length = n
Surface area 2396619351337686
Volume 7.983102710579E+21
Space diagonal 34616609.823448

Equilateral Triangle

Length = n
Perimeter 59957727
Area 1.7296110345498E+14
Altitude 17308304.911724

Triangular Pyramid

Length = n
Surface area 1.7296110345498E+14
Volume 9.4081767692652E+20
Height 9421447.8547182