18443994 (number)

18443994 is an even 8-digits composite number following 18443993 and preceding 18443995. In scientific notation, it is written as 1.8443994 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 6147996 positive integers (up to 18443994) that are relatively prime to 18443994.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-three thousand nine hundred ninety-four

Notation

Scientific notation 1.8443994 × 10^7
Engineering notation 1.8443994 × 10^6

Prime Factorization of 18443994

Prime Factorization 2 × 3 × 3073999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18443994
Product of the distinct prime numbers

The prime factorization of 18443994 is 2 × 3 × 3073999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 38, 27, 130, 947, 6226, 5852, 88686, 43983, 62150, 495099, 2349674, 6543573, 21586810, 24988532, 228653801, 578155551, 7549258520, 334894557

Basic calculations (n = 18443994)

Multiplication

n×y
n×2 36887988
n×3 55331982
n×4 73775976
n×5 92219970

Division

n÷y
n÷2 9221997
n÷3 6147998
n÷3 4610998.5
n÷5 3688798.8

Exponentiation

ny
n2 340180914672036
n3 6.2742947491255E+21
n4 1.157230547071E+29
n5 2.1343953266795E+36

Nth Root

y√n
2√n 4294.647133351
3√n 264.21146395144
4√n 65.533557307314
5√n 28.39036620256

Divisors of 18443994

1, 2, 3, 6, 3073999, 6147998, 9221997, 18443994

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 -18443993
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 18443994 can be divided by 8 positive divisors. The sum of these divisors (counting 18443994) is 1, the average is 0.125.

Base conversion 18443994

Base System Value
2 Binary 1000110010110111011011010
3 Ternary 1021201001101220
4 Quaternary 1012112323122
5 Quinary 14210201434
6 Senary 1455152510
8 Octal 106267332
10 Decimal 18443994
12 Duodecimal 6215736
16 Hexadecimal 1196eda
20 Vigesimal 5f59je
36 Base36 azbh6

Cryptographic Hash Functions

md5 c37b0339373f63365c00c9555e98f101
sha1 67502f466a8f034c3fc8a12788bd1b1f36948858
sha256 4030934bb83fa05c607d56fd92ac3ba249fe8f419aaa314d29822c31c30727b3
sha512 10240e64360da50bcaa4b4d4e2706d12ba779892731fc8f0d839d1b007e8f4a1a57d9eb1dc5f2d6a6ceea5a5aefb86878b7d8ab77656f2fe53093f22fb10c940
ripemd-160 5fc188c8623155319a3478519f425d944969fd8e

18443994 as geometric shapes

Circle

Radius = n
Diameter 36887988
Circumference 115887032.10651
Area 1.0687098624251E+15

Sphere

Radius = n
Volume 2.628170438708E+22
Surface area 4.2748394497005E+15
Circumference 115887032.10651

Square

Length = n
Perimeter 73775976
Area 340180914672036
Diagonal 26083746.459128

Cube

Length = n
Surface area 2041085488032216
Volume 6.2742947491255E+21
Space diagonal 31945934.702496

Equilateral Triangle

Length = n
Perimeter 55331982
Area 1.473026569943E+14
Altitude 15972967.351248

Triangular Pyramid

Length = n
Surface area 1.473026569943E+14
Volume 7.394327273783E+20
Height 8694582.1530427