18492021 (number)

18492021 is an odd 8-digits composite number following 18492020 and preceding 18492022. In scientific notation, it is written as 1.8492021 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11854080 positive integers (up to 18492021) that are relatively prime to 18492021.

Interesting facts

Basic properties

Name

Name eighteen million four hundred ninety-two thousand twenty-one

Notation

Scientific notation 1.8492021 × 10^7
Engineering notation 1.8492021 × 10^6

Prime Factorization of 18492021

Prime Factorization 43 × 9 × 673 × 71

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18492021
Product of the distinct prime numbers

The prime factorization of 18492021 is 43 × 9 × 673 × 71. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 81, 7, 514, 223, 462, 3270, 78351, 82921, 332197, 100920, 5251271, 8199221, 60988133, 25337327, 390487089, 342246316, 8830569867, 1684015306

Basic calculations (n = 18492021)

Multiplication

n×y
n×2 36984042
n×3 55476063
n×4 73968084
n×5 92460105

Division

n÷y
n÷2 9246010.5
n÷3 6164007
n÷3 4623005.25
n÷5 3698404.2

Exponentiation

ny
n2 341954840664441
n3 6.3234360946185E+21
n4 1.1693311305384E+29
n5 2.162329582187E+36

Nth Root

y√n
2√n 4300.2349935788
3√n 264.44059519514
4√n 65.576177027781
5√n 28.405136172024

Divisors of 18492021

1, 9, 43, 71, 387, 639, 673, 3053, 6057, 27477, 28939, 47783, 260451, 430047, 2054669, 18492021

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 -18492020
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 18492021 can be divided by 16 positive divisors. The sum of these divisors (counting 18492021) is 1, the average is 0.0625.

Base conversion 18492021

Base System Value
2 Binary 1000110100010101001110101
3 Ternary 1021210111021200
4 Quaternary 1012202221311
5 Quinary 14213221041
6 Senary 1500203113
8 Octal 106425165
10 Decimal 18492021
12 Duodecimal 6239499
16 Hexadecimal 11a2a75
20 Vigesimal 5fba11
36 Base36 b0cj9

Cryptographic Hash Functions

md5 ba945b8fe7593de3cc08ad08d8ff23f4
sha1 4a7778d6c4aacb3edfb44c6314415519d9e3c191
sha256 9bc607cb1fa9bf62917c5ed5595707516f54488c57a3b33a20d990a215dc7d0c
sha512 4014906f9cddfc118862022914ad38aee0e6a6b145c5a74844eec3dd787385113031c42917fa20104478eed9c1ee2e56a5cb5c5e7297f4c7cbb0964a1f9c592a
ripemd-160 6d2a2c6f7c6f18fc08e83d9e4d00dcc7c91f2587

18492021 as geometric shapes

Circle

Radius = n
Diameter 36984042
Circumference 116188794.64726
Area 1.0742828152909E+15

Sphere

Radius = n
Volume 2.6487547173731E+22
Surface area 4.2971312611635E+15
Circumference 116188794.64726

Square

Length = n
Perimeter 73968084
Area 341954840664441
Diagonal 26151666.893888

Cube

Length = n
Surface area 2051729043986646
Volume 6.3234360946185E+21
Space diagonal 32029119.906631

Equilateral Triangle

Length = n
Perimeter 55476063
Area 1.4807078948123E+14
Altitude 16014559.953315

Triangular Pyramid

Length = n
Surface area 1.4807078948123E+14
Volume 7.4522409048409E+20
Height 8717222.2979627