18989839 (number)

18989839 is an odd 8-digits composite number following 18989838 and preceding 18989840. In scientific notation, it is written as 1.8989839 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 17263480 positive integers (up to 18989839) that are relatively prime to 18989839.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand eight hundred thirty-nine

Notation

Scientific notation 1.8989839 × 10^7
Engineering notation 1.8989839 × 10^6

Prime Factorization of 18989839

Prime Factorization 11 × 1726349

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18989839
Product of the distinct prime numbers

The prime factorization of 18989839 is 11 × 1726349. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989839)

Multiplication

n×y
n×2 37979678
n×3 56969517
n×4 75959356
n×5 94949195

Division

n÷y
n÷2 9494919.5
n÷3 6329946.3333333
n÷3 4747459.75
n÷5 3797967.8

Exponentiation

ny
n2 360613985245921
n3 6.8480015209684E+21
n4 1.3004244635495E+29
n5 2.4694851194465E+36

Nth Root

y√n
2√n 4357.7332410325
3√n 266.79258861965
4√n 66.013129307983
5√n 28.556452595655

Divisors of 18989839

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18989838
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989839 can be divided by 4 positive divisors. The sum of these divisors (counting 18989839) is 1, the average is 0.25.

Base conversion 18989839

Base System Value
2 Binary 1001000011100001100001111
3 Ternary 1022201210011101
4 Quaternary 1020130030033
5 Quinary 14330133324
6 Senary 1515003531
8 Octal 110341417
10 Decimal 18989839
12 Duodecimal 64395a7
16 Hexadecimal 121c30f
20 Vigesimal 5idebj
36 Base36 bb0nj

Cryptographic Hash Functions

md5 52300a6b42ce41aef4acc6b118061175
sha1 861bc94dcfdac35a4d1568b9ad086eaab87be81e
sha256 dee47772bbbb841b8ec544b80c05faf1cb2c5f4fcb51b95412ae3fe03edca3bf
sha512 424b503057fa0ee3422c3a2ff83f3ca4aa333dc6a9c4112574b0cbc4342ab6c51d305e13bb9de6756160b23cf3d9342c6d2c83ca34e73dd789a1a6ab10ea6802
ripemd-160 bd29898bd54a12bc4717e5118ab39700872b26cf

18989839 as geometric shapes

Circle

Radius = n
Diameter 37979678
Circumference 119316677.39051
Area 1.1329022468303E+15

Sphere

Radius = n
Volume 2.8684841693395E+22
Surface area 4.5316089873213E+15
Circumference 119316677.39051

Square

Length = n
Perimeter 75959356
Area 360613985245921
Diagonal 26855687.861082

Cube

Length = n
Surface area 2163683911475526
Volume 6.8480015209684E+21
Space diagonal 32891365.975553

Equilateral Triangle

Length = n
Perimeter 56969517
Area 1.5615043609146E+14
Altitude 16445682.987776

Triangular Pyramid

Length = n
Surface area 1.5615043609146E+14
Volume 8.0704471884209E+20
Height 8951895.9536938