18397984 (number)

18397984 is an even 8-digits composite number following 18397983 and preceding 18397985. In scientific notation, it is written as 1.8397984 × 10^7. The sum of its digits is 49. It has a total of 7 prime factors and 24 positive divisors. There are 8362560 positive integers (up to 18397984) that are relatively prime to 18397984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8397984 × 10^7
Engineering notation 1.8397984 × 10^6

Prime Factorization of 18397984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 11 × 52267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1149874
Product of the distinct prime numbers

The prime factorization of 18397984 is 2 × 2 × 2 × 2 × 2 × 11 × 52267. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18397984)

Multiplication

n×y
n×2 36795968
n×3 55193952
n×4 73591936
n×5 91989920

Division

n÷y
n÷2 9198992
n÷3 6132661.3333333
n÷3 4599496
n÷5 3679596.8

Exponentiation

ny
n2 338485815264256
n3 6.2274566134587E+21
n4 1.1457264713511E+29
n5 2.1079057288294E+36

Nth Root

y√n
2√n 4289.2871202567
3√n 263.99158222318
4√n 65.492649360495
5√n 28.376187645447

Divisors of 18397984

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 -18397983
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 18397984 can be divided by 24 positive divisors. The sum of these divisors (counting 18397984) is 1, the average is 0.041666666666667.

Base conversion 18397984

Base System Value
2 Binary 1000110001011101100100000
3 Ternary 1021121201021211
4 Quaternary 1012023230200
5 Quinary 14202213414
6 Senary 1454155504
8 Octal 106135440
10 Decimal 18397984
12 Duodecimal 61b2b94
16 Hexadecimal 118bb20
20 Vigesimal 5ejej4
36 Base36 aybz4

Cryptographic Hash Functions

md5 4296e92d9d1b16c581c310a7538a12df
sha1 e7c50fc26a6c16ec7436badccd7f7fb6b55d49b2
sha256 1d2450393d3bab8d7158bbdbc92abf1d6785a43781b4b7d08c97a88d7703607b
sha512 86a735355896b911168063b46ffd3290c3ef116630d2bc6ec3fb2f37697206b0ad618054d5730c019e9d7c1577b54d84d6b3a6ca2b890ed8ad7538bdff04b053
ripemd-160 66bc2c4be98001f8dfa1d2f80dde17d3a28eb32d

18397984 as geometric shapes

Circle

Radius = n
Diameter 36795968
Circumference 115597942.75053
Area 1.0633845505785E+15

Sphere

Radius = n
Volume 2.6085509263188E+22
Surface area 4.2535382023142E+15
Circumference 115597942.75053

Square

Length = n
Perimeter 73591936
Area 338485815264256
Diagonal 26018678.493123

Cube

Length = n
Surface area 2030914891585536
Volume 6.2274566134587E+21
Space diagonal 31866243.044839

Equilateral Triangle

Length = n
Perimeter 55193952
Area 1.4656865741977E+14
Altitude 15933121.52242

Triangular Pyramid

Length = n
Surface area 1.4656865741977E+14
Volume 7.3391280015361E+20
Height 8672892.8310411