18993869 (number)

18993869 is an odd 8-digits composite number following 18993868 and preceding 18993870. In scientific notation, it is written as 1.8993869 × 10^7. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 18231472 positive integers (up to 18993869) that are relatively prime to 18993869.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8993869 × 10^7
Engineering notation 1.8993869 × 10^6

Prime Factorization of 18993869

Prime Factorization 29 × 179 × 3659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18993869
Product of the distinct prime numbers

The prime factorization of 18993869 is 29 × 179 × 3659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18993869)

Multiplication

n×y
n×2 37987738
n×3 56981607
n×4 75975476
n×5 94969345

Division

n÷y
n÷2 9496934.5
n÷3 6331289.6666667
n÷3 4748467.25
n÷5 3798773.8

Exponentiation

ny
n2 360767059589161
n3 6.8523622693517E+21
n4 1.3015287128461E+29
n5 2.4721065871537E+36

Nth Root

y√n
2√n 4358.1956128655
3√n 266.8114600818
4√n 66.016631335335
5√n 28.557664535747

Divisors of 18993869

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 -18993868
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 18993869 can be divided by 8 positive divisors. The sum of these divisors (counting 18993869) is 1, the average is 0.125.

Base conversion 18993869

Base System Value
2 Binary 1001000011101001011001101
3 Ternary 1022201222200122
4 Quaternary 1020131023031
5 Quinary 14330300434
6 Senary 1515034325
8 Octal 110351315
10 Decimal 18993869
12 Duodecimal 643b9a5
16 Hexadecimal 121d2cd
20 Vigesimal 5ie4d9
36 Base36 bb3rh

Cryptographic Hash Functions

md5 a150ae68660d19a44c5bad7dc6f2ad2a
sha1 03d962b4bfd181775629eed1d1348523c1055190
sha256 4919053801cf3c5556f0aacd3407b7dfcc22252cf9460ec617f729fb13d5a38e
sha512 77da8efd4e72bbcfbe4eae983af4df04aead69baa9c9b363409408abf1c4303f5be9237fffc1b8db951d7ba33d302ef61380531b1248456406678c85f7e51ad9
ripemd-160 f677302d3a2108c7af6121ab17f1fb617ef9281d

18993869 as geometric shapes

Circle

Radius = n
Diameter 37987738
Circumference 119341998.62729
Area 1.1333831440625E+15

Sphere

Radius = n
Volume 2.8703107953508E+22
Surface area 4.53353257625E+15
Circumference 119341998.62729

Square

Length = n
Perimeter 75975476
Area 360767059589161
Diagonal 26861387.141738

Cube

Length = n
Surface area 2164602357534966
Volume 6.8523622693517E+21
Space diagonal 32898346.140307

Equilateral Triangle

Length = n
Perimeter 56981607
Area 1.5621671922641E+14
Altitude 16449173.070154

Triangular Pyramid

Length = n
Surface area 1.5621671922641E+14
Volume 8.0755863796757E+20
Height 8953795.7139126