18542021 (number)

18542021 is an odd 8-digits composite number following 18542020 and preceding 18542022. In scientific notation, it is written as 1.8542021 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 18488544 positive integers (up to 18542021) that are relatively prime to 18542021.

Interesting facts

Basic properties

Name

Name eighteen million five hundred forty-two thousand twenty-one

Notation

Scientific notation 1.8542021 × 10^7
Engineering notation 1.8542021 × 10^6

Prime Factorization of 18542021

Prime Factorization 53129 × 349

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18542021
Product of the distinct prime numbers

The prime factorization of 18542021 is 53129 × 349. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18542021)

Multiplication

n×y
n×2 37084042
n×3 55626063
n×4 74168084
n×5 92710105

Division

n÷y
n÷2 9271010.5
n÷3 6180673.6666667
n÷3 4635505.25
n÷5 3708404.2

Exponentiation

ny
n2 343806542764441
n3 6.3748681358757E+21
n4 1.1820293884764E+29
n5 2.1917213743746E+36

Nth Root

y√n
2√n 4306.0447048306
3√n 264.67871827086
4√n 65.620459498777
5√n 28.420480338252

Divisors of 18542021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18542020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18542021 can be divided by 4 positive divisors. The sum of these divisors (counting 18542021) is 1, the average is 0.25.

Base conversion 18542021

Base System Value
2 Binary 1000110101110110111000101
3 Ternary 1021220000212112
4 Quaternary 1012232313011
5 Quinary 14221321041
6 Senary 1501230405
8 Octal 106566705
10 Decimal 18542021
12 Duodecimal 6262405
16 Hexadecimal 11aedc5
20 Vigesimal 5fhf11
36 Base36 b1f45

Cryptographic Hash Functions

md5 564f2edcf5b936bb3e6395503dfca310
sha1 0ff334173d8a5a37b0f1f6b8277a6c0212e834da
sha256 4d94b6aedb82ca1e040bd156454f66df20596196ed7db86e2f647cdff631a396
sha512 7a8e2af9f57568140e49b3063e5d38e6163e536a0b3cbe5259a66e5ec5dab64aa9a12083239a9bf9593cb987a0f442f380cd3c6f8b87ada692d9841aa221d20f
ripemd-160 e23c75ffbb7403738c28ec3e82be4ffb6cc88a9b

18542021 as geometric shapes

Circle

Radius = n
Diameter 37084042
Circumference 116502953.91262
Area 1.0801001090049E+15

Sphere

Radius = n
Volume 2.6702985204361E+22
Surface area 4.3204004360195E+15
Circumference 116502953.91262

Square

Length = n
Perimeter 74168084
Area 343806542764441
Diagonal 26222377.572007

Cube

Length = n
Surface area 2062839256586646
Volume 6.3748681358757E+21
Space diagonal 32115722.447009

Equilateral Triangle

Length = n
Perimeter 55626063
Area 1.4887260001065E+14
Altitude 16057861.223505

Triangular Pyramid

Length = n
Surface area 1.4887260001065E+14
Volume 7.5128541467462E+20
Height 8740792.5240022