19998909 (number)

19998909 is an odd 8-digits composite number following 19998908 and preceding 19998910. In scientific notation, it is written as 1.9998909 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 11289600 positive integers (up to 19998909) that are relatively prime to 19998909.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-eight thousand nine hundred nine

Notation

Scientific notation 1.9998909 × 10^7
Engineering notation 1.9998909 × 10^6

Prime Factorization of 19998909

Prime Factorization 9 × 7 × 101 × 7 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2856987
Product of the distinct prime numbers

The prime factorization of 19998909 is 9 × 7 × 101 × 7 × 449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 74, 80, 812, 520, 4085, 6488, 54073, 96540, 383778, 594264, 8317758, 3548550, 35291565, 33767353, 809772975, 712770385, 7129041749, 5342573130

Basic calculations (n = 19998909)

Multiplication

n×y
n×2 39997818
n×3 59996727
n×4 79995636
n×5 99994545

Division

n÷y
n÷2 9999454.5
n÷3 6666303
n÷3 4999727.25
n÷5 3999781.8

Exponentiation

ny
n2 399956361190281
n3 7.9986908714156E+21
n4 1.5996509085657E+29
n5 3.1991272952173E+36

Nth Root

y√n
2√n 4472.0139758279
3√n 271.43682585371
4√n 66.873118484395
5√n 28.853683314156

Divisors of 19998909

1, 7, 9, 49, 63, 101, 441, 449, 707, 909, 3143, 4041, 4949, 6363, 22001, 28287, 44541, 45349, 198009, 317443, 408141, 2222101, 2856987, 19998909

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998909 can be divided by 24 positive divisors. The sum of these divisors (counting 19998909) is 1, the average is 0.041666666666667.

Base conversion 19998909

Base System Value
2 Binary 1001100010010100010111101
3 Ternary 1101122001100100
4 Quaternary 1030102202331
5 Quinary 20104431114
6 Senary 1552351313
8 Octal 114224275
10 Decimal 19998909
12 Duodecimal 6845539
16 Hexadecimal 13128bd
20 Vigesimal 64jh59
36 Base36 bwn99

Cryptographic Hash Functions

md5 c19c1bdbc4ce397fb03c6585db49a4b2
sha1 4f5b5d641105a6931c8fe7deee482c56c4103be5
sha256 1959d93ca20c888014ccd337caead5fa1decba264241c1569403740ef3e0ba25
sha512 a754d4e18fd091c29674721c2eed6560bacb9b287ccceda06cb7f9b81e345a441ad8ee75b6045ca5459061c63f8a52bdf95791848713450ce3d3405e3ec2bae8
ripemd-160 9162724d2ed5158b53a736184f9f95ef2e6cc18a

19998909 as geometric shapes

Circle

Radius = n
Diameter 39997818
Circumference 125656851.18842
Area 1.2564999660719E+15

Sphere

Radius = n
Volume 3.35048379733E+22
Surface area 5.0259998642876E+15
Circumference 125656851.18842

Square

Length = n
Perimeter 79995636
Area 399956361190281
Diagonal 28282728.340465

Cube

Length = n
Surface area 2399738167141686
Volume 7.9986908714156E+21
Space diagonal 34639126.483946

Equilateral Triangle

Length = n
Perimeter 59996727
Area 1.7318618459798E+14
Altitude 17319563.241973

Triangular Pyramid

Length = n
Surface area 1.7318618459798E+14
Volume 9.4265475929881E+20
Height 9427576.1134885