18997908 (number)

18997908 is an even 8-digits composite number following 18997907 and preceding 18997909. In scientific notation, it is written as 1.8997908 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors. There are 5699584 positive integers (up to 18997908) that are relatively prime to 18997908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8997908 × 10^7
Engineering notation 1.8997908 × 10^6

Prime Factorization of 18997908

Prime Factorization 2 × 2 × 51 × 23 × 4049

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9498954
Product of the distinct prime numbers

The prime factorization of 18997908 is 2 × 2 × 51 × 23 × 4049. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 96, 71, 79, 188, 7118, 9830, 11760, 79104, 489453, 149531, 511814, 1953202, 50772883, 25898834, 609802461, 120995490, 2815982756, 6198169338

Basic calculations (n = 18997908)

Multiplication

n×y
n×2 37995816
n×3 56993724
n×4 75991632
n×5 94989540

Division

n÷y
n÷2 9498954
n÷3 6332636
n÷3 4749477
n÷5 3799581.6

Exponentiation

ny
n2 360920508376464
n3 6.8567346134493E+21
n4 1.3026361336673E+29
n5 2.4747361424886E+36

Nth Root

y√n
2√n 4358.6589680772
3√n 266.83037101054
4√n 66.020140624488
5√n 28.55887897602

Divisors of 18997908

1, 2, 4, 23, 46, 51, 92, 102, 204, 1173, 2346, 4049, 4692, 8098, 16196, 93127, 186254, 206499, 372508, 412998, 825996, 4749477, 9498954, 18997908

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 -18997907
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 18997908 can be divided by 24 positive divisors. The sum of these divisors (counting 18997908) is 1, the average is 0.041666666666667.

Base conversion 18997908

Base System Value
2 Binary 1001000011110001010010100
3 Ternary 1022202012020020
4 Quaternary 1020132022110
5 Quinary 14330413113
6 Senary 1515105140
8 Octal 110361224
10 Decimal 18997908
12 Duodecimal 64421b0
16 Hexadecimal 121e294
20 Vigesimal 5ieef8
36 Base36 bb6vo

Cryptographic Hash Functions

md5 354d6660a03fd1c4ad40b7c3e0c485a1
sha1 f2c6c1215d5316568e5f7874fe0cf3f10a62aa37
sha256 10889b32c30944f28459b8b76f35d32203fb42337c8864dd1a2de154cae42d15
sha512 39161ff28b41966491462ffbeae40e43a9fb2eab4e288e97da1f5cfbca217f3c2257debf899e2ff858cbbdedb495ffca8a03dfb7d6309654b0daf2414646361c
ripemd-160 b07fec6a1659a001be7734de1b5187f51f7ed6d2

18997908 as geometric shapes

Circle

Radius = n
Diameter 37995816
Circumference 119367376.41275
Area 1.1338652176454E+15

Sphere

Radius = n
Volume 2.8721422785636E+22
Surface area 4.5354608705816E+15
Circumference 119367376.41275

Square

Length = n
Perimeter 75991632
Area 360920508376464
Diagonal 26867099.150316

Cube

Length = n
Surface area 2165523050258784
Volume 6.8567346134493E+21
Space diagonal 32905341.893519

Equilateral Triangle

Length = n
Perimeter 56993724
Area 1.5628316450041E+14
Altitude 16452670.94676

Triangular Pyramid

Length = n
Surface area 1.5628316450041E+14
Volume 8.0807392366109E+20
Height 8955699.7167721