18993969 (number)

18993969 is an odd 8-digits composite number following 18993968 and preceding 18993970. In scientific notation, it is written as 1.8993969 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 12221280 positive integers (up to 18993969) that are relatively prime to 18993969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8993969 × 10^7
Engineering notation 1.8993969 × 10^6

Prime Factorization of 18993969

Prime Factorization 3 × 141 × 83 × 541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18993969
Product of the distinct prime numbers

The prime factorization of 18993969 is 3 × 141 × 83 × 541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 11, 51, 706, 654, 1470, 3252, 8012, 52340, 57135, 483539, 9693637, 2733627, 20437779, 33605596, 591154842, 293160006, 2794235041, 5912089365

Basic calculations (n = 18993969)

Multiplication

n×y
n×2 37987938
n×3 56981907
n×4 75975876
n×5 94969845

Division

n÷y
n÷2 9496984.5
n÷3 6331323
n÷3 4748492.25
n÷5 3798793.8

Exponentiation

ny
n2 360770858372961
n3 6.8524705000394E+21
n4 1.3015561225116E+29
n5 2.4721716642746E+36

Nth Root

y√n
2√n 4358.2070854883
3√n 266.81192832235
4√n 66.01671822719
5√n 28.557694606087

Divisors of 18993969

1, 3, 83, 141, 249, 423, 541, 1623, 11703, 35109, 44903, 76281, 134709, 228843, 6331323, 18993969

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 -18993968
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 18993969 can be divided by 16 positive divisors. The sum of these divisors (counting 18993969) is 1, the average is 0.0625.

Base conversion 18993969

Base System Value
2 Binary 1001000011101001100110001
3 Ternary 1022201222211100
4 Quaternary 1020131030301
5 Quinary 14330301334
6 Senary 1515035013
8 Octal 110351461
10 Decimal 18993969
12 Duodecimal 643ba69
16 Hexadecimal 121d331
20 Vigesimal 5ie4i9
36 Base36 bb3u9

Cryptographic Hash Functions

md5 52b494e6aaf1269d884280b5aee81cc7
sha1 a63149969ad8a8d965650fbdbf4712091b5c8451
sha256 04e32cc74cd669b6a69ced4bce65081e9b47911be5734f1921737282d9460896
sha512 5bd946fc5d544573c4f693cba79d5597c6a31649df831c8d23f53ce5e206a2741f465f8aeabb0dea7a01f0edb235d0f362dcb50eb81ee9b4ff081ebac4b04d8f
ripemd-160 8382da74e2f8a561ce92314d02169af8b8e48b41

18993969 as geometric shapes

Circle

Radius = n
Diameter 37987938
Circumference 119342626.94582
Area 1.1333950782938E+15

Sphere

Radius = n
Volume 2.8703561309153E+22
Surface area 4.5335803131751E+15
Circumference 119342626.94582

Square

Length = n
Perimeter 75975876
Area 360770858372961
Diagonal 26861528.563094

Cube

Length = n
Surface area 2164625150237766
Volume 6.8524705000394E+21
Space diagonal 32898519.345388

Equilateral Triangle

Length = n
Perimeter 56981907
Area 1.5621836414805E+14
Altitude 16449259.672694

Triangular Pyramid

Length = n
Surface area 1.5621836414805E+14
Volume 8.0757139307644E+20
Height 8953842.8543647