18989505 (number)

18989505 is an odd 8-digits composite number following 18989504 and preceding 18989506. In scientific notation, it is written as 1.8989505 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 10127664 positive integers (up to 18989505) that are relatively prime to 18989505.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand five hundred five

Notation

Scientific notation 1.8989505 × 10^7
Engineering notation 1.8989505 × 10^6

Prime Factorization of 18989505

Prime Factorization 5 × 3 × 9 × 140663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18989505
Product of the distinct prime numbers

The prime factorization of 18989505 is 5 × 3 × 9 × 140663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 41, 56, 722, 903, 4253, 3917, 73229, 19252, 377671, 804647, 8606672, 3712031, 21199684, 11911495, 314978210, 285305550, 663549333, 2953796738

Basic calculations (n = 18989505)

Multiplication

n×y
n×2 37979010
n×3 56968515
n×4 75958020
n×5 94947525

Division

n÷y
n÷2 9494752.5
n÷3 6329835
n÷3 4747376.25
n÷5 3797901

Exponentiation

ny
n2 360601300145025
n3 6.8476401921105E+21
n4 1.3003329766628E+29
n5 2.4692679562004E+36

Nth Root

y√n
2√n 4357.6949181878
3√n 266.79102446303
4√n 66.012839040507
5√n 28.556352142752

Divisors of 18989505

1, 3, 5, 9, 15, 27, 45, 135, 140663, 421989, 703315, 1265967, 2109945, 3797901, 6329835, 18989505

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 -18989504
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 18989505 can be divided by 16 positive divisors. The sum of these divisors (counting 18989505) is 1, the average is 0.0625.

Base conversion 18989505

Base System Value
2 Binary 1001000011100000111000001
3 Ternary 1022201202201000
4 Quaternary 1020130013001
5 Quinary 14330131010
6 Senary 1515002213
8 Octal 110340701
10 Decimal 18989505
12 Duodecimal 6439369
16 Hexadecimal 121c1c1
20 Vigesimal 5iddf5
36 Base36 bb0e9

Cryptographic Hash Functions

md5 88875ac0402c5471981de06a219e7f18
sha1 970ce76085624ab3eb65c116a19f141412a0212d
sha256 f9ee820e449909e744ac024b5654db2ca3e0a0f63d3eb253e8f931b73c62fec4
sha512 f2459f7f49a12533a4a81d46cb1ac0612236f352350d04ca8f474d84094261a00c8bc8f85b06eba272d6128f89b620ab4a325eb67e5d5b5015ec358b9eed89ce
ripemd-160 bc5510d14a34b22ea8d87e3e9a0da3bb6996271a

18989505 as geometric shapes

Circle

Radius = n
Diameter 37979010
Circumference 119314578.80661
Area 1.1328623954105E+15

Sphere

Radius = n
Volume 2.8683328162614E+22
Surface area 4.5314495816422E+15
Circumference 119314578.80661

Square

Length = n
Perimeter 75958020
Area 360601300145025
Diagonal 26855215.513752

Cube

Length = n
Surface area 2163607800870150
Volume 6.8476401921105E+21
Space diagonal 32890787.470583

Equilateral Triangle

Length = n
Perimeter 56968515
Area 1.5614494328164E+14
Altitude 16445393.735292

Triangular Pyramid

Length = n
Surface area 1.5614494328164E+14
Volume 8.0700213582781E+20
Height 8951738.5045839