18378438 (number)

18378438 is an even 8-digits composite number following 18378437 and preceding 18378439. In scientific notation, it is written as 1.8378438 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5654880 positive integers (up to 18378438) that are relatively prime to 18378438.

Interesting facts

Basic properties

Name

Name eighteen million three hundred seventy-eight thousand four hundred thirty-eight

Notation

Scientific notation 1.8378438 × 10^7
Engineering notation 1.8378438 × 10^6

Prime Factorization of 18378438

Prime Factorization 2 × 3 × 13 × 235621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18378438
Product of the distinct prime numbers

The prime factorization of 18378438 is 2 × 3 × 13 × 235621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 43, 54, 325, 344, 702, 3180, 1318, 50837, 667545, 26244, 6671968, 9877874, 90710123, 27709011, 987300539, 866658224, 778083730, 6040122487

Basic calculations (n = 18378438)

Multiplication

n×y
n×2 36756876
n×3 55135314
n×4 73513752
n×5 91892190

Division

n÷y
n÷2 9189219
n÷3 6126146
n÷3 4594609.5
n÷5 3675687.6

Exponentiation

ny
n2 337766983319844
n3 6.2076295613908E+21
n4 1.1408653502099E+29
n5 2.0967323105181E+36

Nth Root

y√n
2√n 4287.0080475782
3√n 263.89806096447
4√n 65.475247594631
5√n 28.370155714839

Divisors of 18378438

1, 2, 3, 6, 13, 26, 39, 78, 235621, 471242, 706863, 1413726, 3063073, 6126146, 9189219, 18378438

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18378437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18378438 can be divided by 16 positive divisors. The sum of these divisors (counting 18378438) is 1, the average is 0.0625.

Base conversion 18378438

Base System Value
2 Binary 1000110000110111011000110
3 Ternary 1021120201110220
4 Quaternary 1012012323012
5 Quinary 14201102223
6 Senary 1453525210
8 Octal 106067306
10 Decimal 18378438
12 Duodecimal 61a3806
16 Hexadecimal 1186ec6
20 Vigesimal 5eh61i
36 Base36 axww6

Cryptographic Hash Functions

md5 8079469bb4df7a8afe511ff6caf68b58
sha1 46ce0e5686d83baa24477afb1b08a2ae2e54785c
sha256 dd798ac117986084241024303d17cc6dfe6e5b4ccab64627506bd11e21b0f938
sha512 8f42d5f4286b1231a52e1f905b6830525c458b9d61701f745744f963ba4f357621e3c5bcbf49835e7a0514e381bc545140f1e75621a5dd6564c55a4923783459
ripemd-160 eb32b70a5a570b8acd12a2c4036f8b4fdbc7a2ae

18378438 as geometric shapes

Circle

Radius = n
Diameter 36756876
Circumference 115475131.61051
Area 1.0611262734228E+15

Sphere

Radius = n
Volume 2.6002457901696E+22
Surface area 4.2445050936912E+15
Circumference 115475131.61051

Square

Length = n
Perimeter 73513752
Area 337766983319844
Diagonal 25991036.274833

Cube

Length = n
Surface area 2026601899919064
Volume 6.2076295613908E+21
Space diagonal 31832388.379755

Equilateral Triangle

Length = n
Perimeter 55135314
Area 1.4625739405731E+14
Altitude 15916194.189877

Triangular Pyramid

Length = n
Surface area 1.4625739405731E+14
Volume 7.3157615965892E+20
Height 8663678.7582777