18997072 (number)

18997072 is an even 8-digits composite number following 18997071 and preceding 18997073. In scientific notation, it is written as 1.8997072 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 10 positive divisors. There are 9498528 positive integers (up to 18997072) that are relatively prime to 18997072.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-seven thousand seventy-two

Notation

Scientific notation 1.8997072 × 10^7
Engineering notation 1.8997072 × 10^6

Prime Factorization of 18997072

Prime Factorization 2 × 2 × 2 × 2 × 1187317

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2374634
Product of the distinct prime numbers

The prime factorization of 18997072 is 2 × 2 × 2 × 2 × 1187317. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18997072)

Multiplication

n×y
n×2 37994144
n×3 56991216
n×4 75988288
n×5 94985360

Division

n÷y
n÷2 9498536
n÷3 6332357.3333333
n÷3 4749268
n÷5 3799414.4

Exponentiation

ny
n2 360888744573184
n3 6.8558294646464E+21
n4 1.3024068595961E+29
n5 2.4741916885041E+36

Nth Root

y√n
2√n 4358.5630659657
3√n 266.82645701008
4√n 66.019414310986
5√n 28.558627625786

Divisors of 18997072

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18997071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18997072 can be divided by 10 positive divisors. The sum of these divisors (counting 18997072) is 1, the average is 0.1.

Base conversion 18997072

Base System Value
2 Binary 1001000011101111101010000
3 Ternary 1022202011002021
4 Quaternary 1020131331100
5 Quinary 14330401242
6 Senary 1515101224
8 Octal 110357520
10 Decimal 18997072
12 Duodecimal 6441814
16 Hexadecimal 121df50
20 Vigesimal 5iecdc
36 Base36 bb68g

Cryptographic Hash Functions

md5 64af843d47d8a9892cb6fa97a552c980
sha1 14db9b90d11b7e9112daa7c41a3e6666cb33750e
sha256 f03809297e6e3504b63af6de206bd9f5f4cabde15c15f882b58535c85c675295
sha512 2eadd1fe89bb17d1933edf97f0958b527fe3cce09857e66d44055d534e340a85e4e6a461fa6ae7d243dc39f36886f0d0898a85fed5beda8c5ee6ce063be38f54
ripemd-160 4623af236b53fcc419bbc56482df544db5f1b160

18997072 as geometric shapes

Circle

Radius = n
Diameter 37994144
Circumference 119362123.66983
Area 1.1337654287144E+15

Sphere

Radius = n
Volume 2.8717631307197E+22
Surface area 4.5350617148574E+15
Circumference 119362123.66983

Square

Length = n
Perimeter 75988288
Area 360888744573184
Diagonal 26865916.867778

Cube

Length = n
Surface area 2165332467439104
Volume 6.8558294646464E+21
Space diagonal 32903893.899044

Equilateral Triangle

Length = n
Perimeter 56991216
Area 1.5626941037013E+14
Altitude 16451946.949522

Triangular Pyramid

Length = n
Surface area 1.5626941037013E+14
Volume 8.0796725085167E+20
Height 8955305.6225927