19998455 (number)

19998455 is an odd 8-digits composite number following 19998454 and preceding 19998456. In scientific notation, it is written as 1.9998455 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 15654912 positive integers (up to 19998455) that are relatively prime to 19998455.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-eight thousand four hundred fifty-five

Notation

Scientific notation 1.9998455 × 10^7
Engineering notation 1.9998455 × 10^6

Prime Factorization of 19998455

Prime Factorization 5 × 197 × 79 × 257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19998455
Product of the distinct prime numbers

The prime factorization of 19998455 is 5 × 197 × 79 × 257. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 9, 37, 541, 225, 4488, 3, 44630, 42410, 414973, 206221, 2837104, 779774, 4095215, 16293757, 935615444, 731864398, 1705722184, 3054906630

Basic calculations (n = 19998455)

Multiplication

n×y
n×2 39996910
n×3 59995365
n×4 79993820
n×5 99992275

Division

n÷y
n÷2 9999227.5
n÷3 6666151.6666667
n÷3 4999613.75
n÷5 3999691

Exponentiation

ny
n2 399938202387025
n3 7.9981461432178E+21
n4 1.5995056572856E+29
n5 3.1987641909472E+36

Nth Root

y√n
2√n 4471.9632154122
3√n 271.43477185414
4√n 66.872738955513
5√n 28.853552310098

Divisors of 19998455

1, 5, 79, 197, 257, 395, 985, 1285, 15563, 20303, 50629, 77815, 101515, 253145, 3999691, 19998455

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998454
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998455 can be divided by 16 positive divisors. The sum of these divisors (counting 19998455) is 1, the average is 0.0625.

Base conversion 19998455

Base System Value
2 Binary 1001100010010011011110111
3 Ternary 1101122000201112
4 Quaternary 1030102123313
5 Quinary 20104422310
6 Senary 1552345235
8 Octal 114223367
10 Decimal 19998455
12 Duodecimal 684521b
16 Hexadecimal 13126f7
20 Vigesimal 64jg2f
36 Base36 bwmwn

Cryptographic Hash Functions

md5 659c06177b1c96f61cb793d858e1d7f4
sha1 96b8e445410808f32bfdc2fdb30ea1eb9c69c8b8
sha256 661d15581935db3435bb712aa9d3e90094107919c1c0c5402cdfe7c8ddba14d6
sha512 15755f8a06f13853404c860c06feeab89126dbc35ee96b8ee6c5f6f08fddedf48ffc8d6157fc2e82bf908c3f952230e5c5c0ab733601e0abc3c98dae8d598c4d
ripemd-160 6ad40e7daf39b15101baa331e66e1b2be1389b24

19998455 as geometric shapes

Circle

Radius = n
Diameter 39996910
Circumference 125653998.62229
Area 1.256442918509E+15

Sphere

Radius = n
Volume 3.3502556221161E+22
Surface area 5.0257716740359E+15
Circumference 125653998.62229

Square

Length = n
Perimeter 79993820
Area 399938202387025
Diagonal 28282086.287508

Cube

Length = n
Surface area 2399629214322150
Volume 7.9981461432178E+21
Space diagonal 34638340.13288

Equilateral Triangle

Length = n
Perimeter 59995365
Area 1.7317832160552E+14
Altitude 17319170.06644

Triangular Pyramid

Length = n
Surface area 1.7317832160552E+14
Volume 9.4259056246506E+20
Height 9427362.095836