18489920 (number)

18489920 is an even 8-digits composite number following 18489919 and preceding 18489921. In scientific notation, it is written as 1.8489920 × 10^7. The sum of its digits is 41. It has a total of 8 prime factors and 28 positive divisors. There are 7395840 positive integers (up to 18489920) that are relatively prime to 18489920.

Interesting facts

Basic properties

Name

Name eighteen million four hundred eighty-nine thousand nine hundred twenty

Notation

Scientific notation 1.8489920 × 10^7
Engineering notation 1.8489920 × 10^6

Prime Factorization of 18489920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 57781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 577810
Product of the distinct prime numbers

The prime factorization of 18489920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 57781. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 3, 65, 14, 147, 461, 2044, 5212, 73031, 11396, 650742, 733956, 2752630, 1189967, 43716047, 22146037, 264170112, 510198391, 4157395841, 7790461619

Basic calculations (n = 18489920)

Multiplication

n×y
n×2 36979840
n×3 55469760
n×4 73959680
n×5 92449600

Division

n÷y
n÷2 9244960
n÷3 6163306.6666667
n÷3 4622480
n÷5 3697984

Exponentiation

ny
n2 341877141606400
n3 6.321280998131E+21
n4 1.1687997995296E+29
n5 2.1611014789319E+36

Nth Root

y√n
2√n 4299.9906976644
3√n 264.43057987136
4√n 65.574314313337
5√n 28.404490683859

Divisors of 18489920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 57781, 115562, 231124, 288905, 462248, 577810, 924496, 1155620, 1848992, 2311240, 3697984, 4622480, 9244960, 18489920

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18489919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18489920 can be divided by 28 positive divisors. The sum of these divisors (counting 18489920) is 1, the average is 0.035714285714286.

Base conversion 18489920

Base System Value
2 Binary 1000110100010001001000000
3 Ternary 1021210101101212
4 Quaternary 1012202021000
5 Quinary 14213134140
6 Senary 1500145252
8 Octal 106421100
10 Decimal 18489920
12 Duodecimal 6238228
16 Hexadecimal 11a2240
20 Vigesimal 5fb4g0
36 Base36 b0aww

Cryptographic Hash Functions

md5 fba5c73cac5e2d9404cba579348876be
sha1 a288018ae7913c52a2771481d7d7373f7856fcf9
sha256 988ff84778214d24f7137d0c475e814f24747ef52ec2518584d04dde3810eac1
sha512 5499e5ca17ea12bd4760fe63cbb0dcaab0044004f2213e615b52b761afbd19d5594c4996d9b58ba3acc2ed6ccbff7d48cf7986b491ebe203f5a24a01155d56fe
ripemd-160 1dbc9b1860b58d48cdd5c4201ab1865ed087e583

18489920 as geometric shapes

Circle

Radius = n
Diameter 36979840
Circumference 116175593.67493
Area 1.0740387165009E+15

Sphere

Radius = n
Volume 2.6478519926674E+22
Surface area 4.2961548660038E+15
Circumference 116175593.67493

Square

Length = n
Perimeter 73959680
Area 341877141606400
Diagonal 26148695.631194

Cube

Length = n
Surface area 2051262849638400
Volume 6.321280998131E+21
Space diagonal 32025480.867884

Equilateral Triangle

Length = n
Perimeter 55469760
Area 1.4803714480218E+14
Altitude 16012740.433942

Triangular Pyramid

Length = n
Surface area 1.4803714480218E+14
Volume 7.4497010992735E+20
Height 8716231.8770645