19902018 (number)

19902018 is an even 8-digits composite number following 19902017 and preceding 19902019. In scientific notation, it is written as 1.9902018 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6616176 positive integers (up to 19902018) that are relatively prime to 19902018.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand eighteen

Notation

Scientific notation 1.9902018 × 10^7
Engineering notation 1.9902018 × 10^6

Prime Factorization of 19902018

Prime Factorization 2 × 3 × 389 × 8527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19902018
Product of the distinct prime numbers

The prime factorization of 19902018 is 2 × 3 × 389 × 8527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 10, 93, 885, 238, 437, 7126, 10646, 67685, 59743, 363893, 497451, 8004065, 38095953, 26226838, 623899883, 131729420, 5286198448, 4947151743

Basic calculations (n = 19902018)

Multiplication

n×y
n×2 39804036
n×3 59706054
n×4 79608072
n×5 99510090

Division

n÷y
n÷2 9951009
n÷3 6634006
n÷3 4975504.5
n÷5 3980403.6

Exponentiation

ny
n2 396090320472324
n3 7.882996687666E+21
n4 1.5688754197187E+29
n5 3.1223786842999E+36

Nth Root

y√n
2√n 4461.1677843363
3√n 270.99776235767
4√n 66.791973951488
5√n 28.825670827892

Divisors of 19902018

1, 2, 3, 6, 389, 778, 1167, 2334, 8527, 17054, 25581, 51162, 3317003, 6634006, 9951009, 19902018

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 -19902017
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 19902018 can be divided by 16 positive divisors. The sum of these divisors (counting 19902018) is 1, the average is 0.0625.

Base conversion 19902018

Base System Value
2 Binary 1001011111010111001000010
3 Ternary 1101110010102210
4 Quaternary 1023322321002
5 Quinary 20043331033
6 Senary 1550322550
8 Octal 113727102
10 Decimal 19902018
12 Duodecimal 67b9456
16 Hexadecimal 12fae42
20 Vigesimal 647f0i
36 Base36 bukhu

Cryptographic Hash Functions

md5 3cc2d16fde87f6676cd773cdb118cab2
sha1 0fdf3c2ecd9bd77cf54b016c93adaa36800e0d9d
sha256 6c520ddf2034627a06f97e0c6caa1ee4812c2fc019aae4c875871ed673eaec08
sha512 9c7396c2a52d438773cb00c2d5417c1a6af8b52c8349b24d1a5a4ffaaee7166ff3aa272f6100180c514e52ec52e14f461999550c683a3dd961f016a1c2ce5132
ripemd-160 da05815659eb55ea79e474c350bb3c0ec52dbc6d

19902018 as geometric shapes

Circle

Radius = n
Diameter 39804036
Circumference 125048067.08082
Area 1.2443544409539E+15

Sphere

Radius = n
Volume 3.3020219309659E+22
Surface area 4.9774177638155E+15
Circumference 125048067.08082

Square

Length = n
Perimeter 79608072
Area 396090320472324
Diagonal 28145703.774193

Cube

Length = n
Surface area 2376541922833944
Volume 7.882996687666E+21
Space diagonal 34471306.34915

Equilateral Triangle

Length = n
Perimeter 59706054
Area 1.7151213986108E+14
Altitude 17235653.174575

Triangular Pyramid

Length = n
Surface area 1.7151213986108E+14
Volume 9.2902006898662E+20
Height 9381901.2580645