18997906 (number)

18997906 is an even 8-digits composite number following 18997905 and preceding 18997907. In scientific notation, it is written as 1.8997906 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 9498952 positive integers (up to 18997906) that are relatively prime to 18997906.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-seven thousand nine hundred six

Notation

Scientific notation 1.8997906 × 10^7
Engineering notation 1.8997906 × 10^6

Prime Factorization of 18997906

Prime Factorization 2 × 9498953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18997906
Product of the distinct prime numbers

The prime factorization of 18997906 is 2 × 9498953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18997906)

Multiplication

n×y
n×2 37995812
n×3 56993718
n×4 75991624
n×5 94989530

Division

n÷y
n÷2 9498953
n÷3 6332635.3333333
n÷3 4749476.5
n÷5 3799581.2

Exponentiation

ny
n2 360920432384836
n3 6.8567324479265E+21
n4 1.3026355851286E+29
n5 2.4747348398528E+36

Nth Root

y√n
2√n 4358.6587386489
3√n 266.83036164704
4√n 66.020138886925
5√n 28.558878374714

Divisors of 18997906

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 -18997905
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 18997906 can be divided by 4 positive divisors. The sum of these divisors (counting 18997906) is 1, the average is 0.25.

Base conversion 18997906

Base System Value
2 Binary 1001000011110001010010010
3 Ternary 1022202012020011
4 Quaternary 1020132022102
5 Quinary 14330413111
6 Senary 1515105134
8 Octal 110361222
10 Decimal 18997906
12 Duodecimal 64421aa
16 Hexadecimal 121e292
20 Vigesimal 5ieef6
36 Base36 bb6vm

Cryptographic Hash Functions

md5 4255aaa6f5d8f96666df96b0365a4e17
sha1 22faf48c5d02dbe6fe79be7b95a5468f50962086
sha256 55288720359df5b9d03ea9131968d4db38128ae2b56a07c2530b5c69369287e4
sha512 80d0e7a71bf28d0db63d600af824dbcab5afb656f7a609374d02117e87e2094df6cd96eeab269c8e0b77173410cfa6bffa074900c2e82bd66342a8095e2a59a2
ripemd-160 a7b16e8a3cf9fb2d646c7ae31097352515d5d55a

18997906 as geometric shapes

Circle

Radius = n
Diameter 37995812
Circumference 119367363.84638
Area 1.1338649789107E+15

Sphere

Radius = n
Volume 2.8721413714715E+22
Surface area 4.5354599156426E+15
Circumference 119367363.84638

Square

Length = n
Perimeter 75991624
Area 360920432384836
Diagonal 26867096.321889

Cube

Length = n
Surface area 2165522594309016
Volume 6.8567324479265E+21
Space diagonal 32905338.429418

Equilateral Triangle

Length = n
Perimeter 56993718
Area 1.5628313159507E+14
Altitude 16452669.214709

Triangular Pyramid

Length = n
Surface area 1.5628313159507E+14
Volume 8.0807366845177E+20
Height 8955698.7739631