18542972 (number)

18542972 is an even 8-digits composite number following 18542971 and preceding 18542973. In scientific notation, it is written as 1.8542972 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 7850304 positive integers (up to 18542972) that are relatively prime to 18542972.

Interesting facts

Basic properties

Name

Name eighteen million five hundred forty-two thousand nine hundred seventy-two

Notation

Scientific notation 1.8542972 × 10^7
Engineering notation 1.8542972 × 10^6

Prime Factorization of 18542972

Prime Factorization 2 × 2 × 49 × 89 × 1063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9271486
Product of the distinct prime numbers

The prime factorization of 18542972 is 2 × 2 × 49 × 89 × 1063. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 88, 57, 779, 906, 2635, 3645, 94956, 89371, 762519, 633136, 4478090, 377077, 93115985, 47360059, 968521534, 425806668, 3568873489, 9228761885

Basic calculations (n = 18542972)

Multiplication

n×y
n×2 37085944
n×3 55628916
n×4 74171888
n×5 92714860

Division

n÷y
n÷2 9271486
n÷3 6180990.6666667
n÷3 4635743
n÷5 3708594.4

Exponentiation

ny
n2 343841810592784
n3 6.3758490662513E+21
n4 1.1822719071172E+29
n5 2.1922834870062E+36

Nth Root

y√n
2√n 4306.1551295791
3√n 264.68324322093
4√n 65.621300883014
5√n 28.420771863349

Divisors of 18542972

1, 2, 4, 49, 89, 98, 178, 196, 356, 1063, 2126, 4252, 4361, 8722, 17444, 52087, 94607, 104174, 189214, 208348, 378428, 4635743, 9271486, 18542972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18542971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18542972 can be divided by 24 positive divisors. The sum of these divisors (counting 18542972) is 1, the average is 0.041666666666667.

Base conversion 18542972

Base System Value
2 Binary 1000110101111000101111100
3 Ternary 1021220002011202
4 Quaternary 1012233011330
5 Quinary 14221333342
6 Senary 1501235032
8 Octal 106570574
10 Decimal 18542972
12 Duodecimal 6262a78
16 Hexadecimal 11af17c
20 Vigesimal 5fhh8c
36 Base36 b1fuk

Cryptographic Hash Functions

md5 fa2c5ab57e85fb52b764865961d6543f
sha1 fa8377ad6fd2bdb4516562750d68506a9cd661d9
sha256 839685145ae0d14217a98ff8fcc33083c1ebb2c7f79bb50a47114ed754be9765
sha512 b8abd983d4a98b7338a371812b79bb9f16dc03797b22f93444988b394275f620634c1451d89f14b2763e6bbb1f593dae9dc51baa350c9c4811f620a9c99772a4
ripemd-160 34edcdadfd8ccf34a58a9391700c2f0e5f4efdd6

18542972 as geometric shapes

Circle

Radius = n
Diameter 37085944
Circumference 116508929.22184
Area 1.0802109061553E+15

Sphere

Radius = n
Volume 2.670709411591E+22
Surface area 4.3208436246212E+15
Circumference 116508929.22184

Square

Length = n
Perimeter 74171888
Area 343841810592784
Diagonal 26223722.489105

Cube

Length = n
Surface area 2063050863556704
Volume 6.3758490662513E+21
Space diagonal 32117369.627327

Equilateral Triangle

Length = n
Perimeter 55628916
Area 1.4888787142829E+14
Altitude 16058684.813664

Triangular Pyramid

Length = n
Surface area 1.4888787142829E+14
Volume 7.5140101842803E+20
Height 8741240.8297015