18989849 (number)

18989849 is an odd 8-digits composite number following 18989848 and preceding 18989850. In scientific notation, it is written as 1.8989849 × 10^7. The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors. There are 18570240 positive integers (up to 18989849) that are relatively prime to 18989849.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8989849 × 10^7
Engineering notation 1.8989849 × 10^6

Prime Factorization of 18989849

Prime Factorization 61 × 193 × 1613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18989849
Product of the distinct prime numbers

The prime factorization of 18989849 is 61 × 193 × 1613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989849)

Multiplication

n×y
n×2 37979698
n×3 56969547
n×4 75959396
n×5 94949245

Division

n÷y
n÷2 9494924.5
n÷3 6329949.6666667
n÷3 4747462.25
n÷5 3797969.8

Exponentiation

ny
n2 360614365042801
n3 6.8480123393937E+21
n4 1.3004272027522E+29
n5 2.4694916215757E+36

Nth Root

y√n
2√n 4357.7343884179
3√n 266.7926354504
4√n 66.013137998567
5√n 28.556455603205

Divisors of 18989849

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 -18989848
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 18989849 can be divided by 8 positive divisors. The sum of these divisors (counting 18989849) is 1, the average is 0.125.

Base conversion 18989849

Base System Value
2 Binary 1001000011100001100011001
3 Ternary 1022201210011202
4 Quaternary 1020130030121
5 Quinary 14330133344
6 Senary 1515003545
8 Octal 110341431
10 Decimal 18989849
12 Duodecimal 64395b5
16 Hexadecimal 121c319
20 Vigesimal 5idec9
36 Base36 bb0nt

Cryptographic Hash Functions

md5 446674e19f59cc7c9f7a72fec3951271
sha1 921a918169d9281b4b5df1793fa1be4c6305771d
sha256 eff6f79cf72880ef3ada5c6990ba3998aef22b6f3fa469b40573be6d5567c8c7
sha512 38aa9ffb6154a01332503d524176cca8d5b55960713497f128a801baff25134a5f96cb6d6355c2597266cead79873fdca97b8463dfd01bd0cccd354a1a029a7c
ripemd-160 5aae72206609f45036979b34d1c22cc0a93ec2e1

18989849 as geometric shapes

Circle

Radius = n
Diameter 37979698
Circumference 119316740.22236
Area 1.1329034399974E+15

Sphere

Radius = n
Volume 2.8684887009509E+22
Surface area 4.5316137599896E+15
Circumference 119316740.22236

Square

Length = n
Perimeter 75959396
Area 360614365042801
Diagonal 26855702.003217

Cube

Length = n
Surface area 2163686190256806
Volume 6.8480123393937E+21
Space diagonal 32891383.296061

Equilateral Triangle

Length = n
Perimeter 56969547
Area 1.5615060054833E+14
Altitude 16445691.648031

Triangular Pyramid

Length = n
Surface area 1.5615060054833E+14
Volume 8.0704599380574E+20
Height 8951900.6677391