18993902 (number)

18993902 is an even 8-digits composite number following 18993901 and preceding 18993903. In scientific notation, it is written as 1.8993902 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 9447552 positive integers (up to 18993902) that are relatively prime to 18993902.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-three thousand nine hundred two

Notation

Scientific notation 1.8993902 × 10^7
Engineering notation 1.8993902 × 10^6

Prime Factorization of 18993902

Prime Factorization 2 × 193 × 49207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18993902
Product of the distinct prime numbers

The prime factorization of 18993902 is 2 × 193 × 49207. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18993902)

Multiplication

n×y
n×2 37987804
n×3 56981706
n×4 75975608
n×5 94969510

Division

n÷y
n÷2 9496951
n÷3 6331300.6666667
n÷3 4748475.5
n÷5 3798780.4

Exponentiation

ny
n2 360768313185604
n3 6.8523979853527E+21
n4 1.3015377579879E+29
n5 2.4721280624521E+36

Nth Root

y√n
2√n 4358.1993988343
3√n 266.81161460136
4√n 66.016660009685
5√n 28.557674458973

Divisors of 18993902

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 -18993901
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 18993902 can be divided by 8 positive divisors. The sum of these divisors (counting 18993902) is 1, the average is 0.125.

Base conversion 18993902

Base System Value
2 Binary 1001000011101001011101110
3 Ternary 1022201222201212
4 Quaternary 1020131023232
5 Quinary 14330301102
6 Senary 1515034422
8 Octal 110351356
10 Decimal 18993902
12 Duodecimal 643ba12
16 Hexadecimal 121d2ee
20 Vigesimal 5ie4f2
36 Base36 bb3se

Cryptographic Hash Functions

md5 05f0932b261df07808e3f0aa257516a2
sha1 7a4ffad51af864b9a4bfef856e471957a95080ea
sha256 e78ad6c567e511564d73eff5d8a32cd660b33635de7075997fe93e909c4cac2b
sha512 49ee95c67fc7479cb57e6d744a8432392fc061481e47af64fc3d034fdee7cb1d535795f578a9a4a485508a773465dab4a17bf495f5848c4817e2d2feacd2d05e
ripemd-160 eba9522159a788721bb6c8e32a18f62ba418ef19

18993902 as geometric shapes

Circle

Radius = n
Diameter 37987804
Circumference 119342205.97241
Area 1.1333870823519E+15

Sphere

Radius = n
Volume 2.8703257560343E+22
Surface area 4.5335483294075E+15
Circumference 119342205.97241

Square

Length = n
Perimeter 75975608
Area 360768313185604
Diagonal 26861433.810785

Cube

Length = n
Surface area 2164609879113624
Volume 6.8523979853527E+21
Space diagonal 32898403.297984

Equilateral Triangle

Length = n
Perimeter 56981706
Area 1.562172620496E+14
Altitude 16449201.648992

Triangular Pyramid

Length = n
Surface area 1.562172620496E+14
Volume 8.0756284713865E+20
Height 8953811.2702618