18748021 (number)

18748021 is an odd 8-digits prime number following 18748020 and preceding 18748022. In scientific notation, it is written as 1.8748021 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 18748020 positive integers (up to 18748021) that are relatively prime to 18748021.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-eight thousand twenty-one

Notation

Scientific notation 1.8748021 × 10^7
Engineering notation 1.8748021 × 10^6

Prime Factorization of 18748021

Prime Factorization 18748021

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18748021
Product of the distinct prime numbers

The prime factorization of 18748021 is 18748021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18748021)

Multiplication

n×y
n×2 37496042
n×3 56244063
n×4 74992084
n×5 93740105

Division

n÷y
n÷2 9374010.5
n÷3 6249340.3333333
n÷3 4687005.25
n÷5 3749604.2

Exponentiation

ny
n2 351488291416441
n3 6.5897098687296E+21
n4 1.2354401900285E+29
n5 2.3162058626898E+36

Nth Root

y√n
2√n 4329.8984976556
3√n 265.65529529431
4√n 65.801964238582
5√n 28.483351298781

Divisors of 18748021

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18748022
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9374011
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4329.8986131317
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998933221
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18748021 can be divided by 2 positive divisors. The sum of these divisors (counting 18748021) is 18748022, the average is 9374011.

Base conversion 18748021

Base System Value
2 Binary 1000111100001001001110101
3 Ternary 1022021111110011
4 Quaternary 1013201021311
5 Quinary 14244414041
6 Senary 1505500221
8 Octal 107411165
10 Decimal 18748021
12 Duodecimal 6341671
16 Hexadecimal 11e1275
20 Vigesimal 5h3a11
36 Base36 b5u2d

Cryptographic Hash Functions

md5 3a05753386485801f590878de340e526
sha1 431ae024f822e37010661a5afece6c33e2d750dc
sha256 832f5b694ae3173a3778ba9ffd08c2e943255f339042881d74a76d6b6bd6266a
sha512 9655be2551eec099f350edd83e8ff5da4a9d3edea20b2e957310aedba0528d4349e9049c6f90a718f72699200ec0ea042cc6e2dfcb2a574bfdd32b8a61d48820
ripemd-160 2ea90efc2d979c8a3f6c6655389323c255edee1f

18748021 as geometric shapes

Circle

Radius = n
Diameter 37496042
Circumference 117797290.08589
Area 1.1042330341367E+15

Sphere

Radius = n
Volume 2.7602912150519E+22
Surface area 4.4169321365469E+15
Circumference 117797290.08589

Square

Length = n
Perimeter 74992084
Area 351488291416441
Diagonal 26513705.565856

Cube

Length = n
Surface area 2108929748498646
Volume 6.5897098687296E+21
Space diagonal 32472524.913368

Equilateral Triangle

Length = n
Perimeter 56244063
Area 1.5219889474971E+14
Altitude 16236262.456684

Triangular Pyramid

Length = n
Surface area 1.5219889474971E+14
Volume 7.766047557051E+20
Height 8837901.8552852