18994087 (number)

18994087 is an odd 8-digits composite number following 18994086 and preceding 18994088. In scientific notation, it is written as 1.8994087 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 15973152 positive integers (up to 18994087) that are relatively prime to 18994087.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand eighty-seven

Notation

Scientific notation 1.8994087 × 10^7
Engineering notation 1.8994087 × 10^6

Prime Factorization of 18994087

Prime Factorization 7 × 53 × 51197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18994087
Product of the distinct prime numbers

The prime factorization of 18994087 is 7 × 53 × 51197. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18994087)

Multiplication

n×y
n×2 37988174
n×3 56982261
n×4 75976348
n×5 94970435

Division

n÷y
n÷2 9497043.5
n÷3 6331362.3333333
n÷3 4748521.75
n÷5 3798817.4

Exponentiation

ny
n2 360775340963569
n3 6.8525982137167E+21
n4 1.3015884664738E+29
n5 2.47224845704E+36

Nth Root

y√n
2√n 4358.2206231443
3√n 266.81248084409
4√n 66.016820759139
5√n 28.557730088924

Divisors of 18994087

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18994086
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18994087 can be divided by 8 positive divisors. The sum of these divisors (counting 18994087) is 1, the average is 0.125.

Base conversion 18994087

Base System Value
2 Binary 1001000011101001110100111
3 Ternary 1022201222222201
4 Quaternary 1020131032213
5 Quinary 14330302322
6 Senary 1515035331
8 Octal 110351647
10 Decimal 18994087
12 Duodecimal 643bb47
16 Hexadecimal 121d3a7
20 Vigesimal 5ie547
36 Base36 bb3xj

Cryptographic Hash Functions

md5 b6c6d27c69a3c16a16f35c48a2d3505d
sha1 b98583756ed1f89ae88a2b8d31ea9d6f39ecb4cc
sha256 6f086219a4c3f9de4de452cdc0e2b811466cb963875c2fea2c6f5988112a49f7
sha512 4322e55133eec041bbe2df834af6cf81b05cd9278a15da2a3c06eb033692731cc2373bde133742e7b0016dce1a2f16a730560c76af7543396b83e16184604a28
ripemd-160 2be4d2e6843c3622bad9f88201c0abbf7c31cc05

18994087 as geometric shapes

Circle

Radius = n
Diameter 37988174
Circumference 119343368.36169
Area 1.1334091607675E+15

Sphere

Radius = n
Volume 2.8704096274953E+22
Surface area 4.53363664307E+15
Circumference 119343368.36169

Square

Length = n
Perimeter 75976348
Area 360775340963569
Diagonal 26861695.440294

Cube

Length = n
Surface area 2164652045781414
Volume 6.8525982137167E+21
Space diagonal 32898723.727384

Equilateral Triangle

Length = n
Perimeter 56982261
Area 1.5622030516672E+14
Altitude 16449361.863692

Triangular Pyramid

Length = n
Surface area 1.5622030516672E+14
Volume 8.0758644427765E+20
Height 8953898.4800982