18443990 (number)

18443990 is an even 8-digits composite number following 18443989 and preceding 18443991. In scientific notation, it is written as 1.8443990 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors. There are 7074144 positive integers (up to 18443990) that are relatively prime to 18443990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8443990 × 10^7
Engineering notation 1.8443990 × 10^6

Prime Factorization of 18443990

Prime Factorization 2 × 5 × 43 × 59 × 727

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18443990
Product of the distinct prime numbers

The prime factorization of 18443990 is 2 × 5 × 43 × 59 × 727. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 47, 48, 853, 993, 2948, 8911, 60176, 52003, 963660, 504650, 3360536, 1809178, 5411052, 58738749, 741016007, 161949079, 371753371, 6895016761

Basic calculations (n = 18443990)

Multiplication

n×y
n×2 36887980
n×3 55331970
n×4 73775960
n×5 92219950

Division

n÷y
n÷2 9221995
n÷3 6147996.6666667
n÷3 4610997.5
n÷5 3688798

Exponentiation

ny
n2 340180767120100
n3 6.2742906669555E+21
n4 1.1572295431842E+29
n5 2.1343930122194E+36

Nth Root

y√n
2√n 4294.646667655
3√n 264.21144485134
4√n 65.533553754203
5√n 28.39036497114

Divisors of 18443990

1, 2, 5, 10, 43, 59, 86, 118, 215, 295, 430, 590, 727, 1454, 2537, 3635, 5074, 7270, 12685, 25370, 31261, 42893, 62522, 85786, 156305, 214465, 312610, 428930, 1844399, 3688798, 9221995, 18443990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18443989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18443990 can be divided by 32 positive divisors. The sum of these divisors (counting 18443990) is 1, the average is 0.03125.

Base conversion 18443990

Base System Value
2 Binary 1000110010110111011010110
3 Ternary 1021201001101202
4 Quaternary 1012112323112
5 Quinary 14210201430
6 Senary 1455152502
8 Octal 106267326
10 Decimal 18443990
12 Duodecimal 6215732
16 Hexadecimal 1196ed6
20 Vigesimal 5f59ja
36 Base36 azbh2

Cryptographic Hash Functions

md5 411975d9683c8e95a555b743b7218524
sha1 066ded3c6fb1837c644ceb8b5a2af1b2c30a1dda
sha256 46832a4eae6add5ad3c4ba56b03bae41be9b4589e5b59b15e0ee7c6e282202a3
sha512 c4e78609d32acb6610da416240900c461d769b0353d3232012732bdacbba23e9dcda965998aed41ba0ffb84239a8fa03889ed1cb73191f0c42b25ea8288603c9
ripemd-160 76293a743bd3dbb2f6893d1d9902ea78ae0b0be0

18443990 as geometric shapes

Circle

Radius = n
Diameter 36887980
Circumference 115887006.97377
Area 1.068709398877E+15

Sphere

Radius = n
Volume 2.6281687287726E+22
Surface area 4.2748375955082E+15
Circumference 115887006.97377

Square

Length = n
Perimeter 73775960
Area 340180767120100
Diagonal 26083740.802274

Cube

Length = n
Surface area 2041084602720600
Volume 6.2742906669555E+21
Space diagonal 31945927.774292

Equilateral Triangle

Length = n
Perimeter 55331970
Area 1.4730259310244E+14
Altitude 15972963.887146

Triangular Pyramid

Length = n
Surface area 1.4730259310244E+14
Volume 7.3943224628994E+20
Height 8694580.2674246