18378640 (number)

18378640 is an even 8-digits composite number following 18378639 and preceding 18378641. In scientific notation, it is written as 1.8378640 × 10^7. The sum of its digits is 37. It has a total of 8 prime factors and 80 positive divisors. There are 6124032 positive integers (up to 18378640) that are relatively prime to 18378640.

Interesting facts

Basic properties

Name

Name eighteen million three hundred seventy-eight thousand six hundred forty

Notation

Scientific notation 1.8378640 × 10^7
Engineering notation 1.8378640 × 10^6

Prime Factorization of 18378640

Prime Factorization 2 × 2 × 2 × 2 × 5 × 7 × 37 × 887

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2297330
Product of the distinct prime numbers

The prime factorization of 18378640 is 2 × 2 × 2 × 2 × 5 × 7 × 37 × 887. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 7, 2, 24, 974, 435, 103, 6505, 93050, 20746, 596905, 586180, 5981448, 9250382, 88843337, 17016377, 545448096, 791181617, 763591795, 2265929585

Basic calculations (n = 18378640)

Multiplication

n×y
n×2 36757280
n×3 55135920
n×4 73514560
n×5 91893200

Division

n÷y
n÷2 9189320
n÷3 6126213.3333333
n÷3 4594660
n÷5 3675728

Exponentiation

ny
n2 337774408249600
n3 6.2078342504324E+21
n4 1.1409155086837E+29
n5 2.0968475404514E+36

Nth Root

y√n
2√n 4287.031607068
3√n 263.89902780784
4√n 65.475427505806
5√n 28.370218078641

Divisors of 18378640

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 887, 1036, 1295, 1480, 1774, 2072, 2590, 2960, 3548, 4144, 4435, 5180, 6209, 7096, 8870, 10360, 12418, 14192, 17740, 20720, 24836, 31045, 32819, 35480, 49672, 62090, 65638, 70960, 99344, 124180, 131276, 164095, 229733, 248360, 262552, 328190, 459466, 496720, 525104, 656380, 918932, 1148665, 1312760, 1837864, 2297330, 2625520, 3675728, 4594660, 9189320, 18378640

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18378639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18378640 can be divided by 80 positive divisors. The sum of these divisors (counting 18378640) is 1, the average is 0.0125.

Base conversion 18378640

Base System Value
2 Binary 1000110000110111110010000
3 Ternary 1021120201202101
4 Quaternary 1012012332100
5 Quinary 14201104030
6 Senary 1453530144
8 Octal 106067620
10 Decimal 18378640
12 Duodecimal 61a3954
16 Hexadecimal 1186f90
20 Vigesimal 5eh6c0
36 Base36 axx1s

Cryptographic Hash Functions

md5 2f701f6115e601f29fe1f4f3398698be
sha1 c7abdf61867f4ef441367846e0c16d1aa8b502a3
sha256 5d72242330d76ea8ba68e39dbf8fa16ebcb4b5a7ce07565838f25f5ccfd3efdc
sha512 8525eb3e0f5953ccdfe8047e315f7366e1904fcb91ebf5cfab032b4e5b0630bcb518c3ab051d2a24b4c20fba9374f985ecbf45271fdb95542422ce6bb801fadf
ripemd-160 49a70e2c84b6f0a1497c5972b8255821b97670cf

18378640 as geometric shapes

Circle

Radius = n
Diameter 36757280
Circumference 115476400.81394
Area 1.0611495995276E+15

Sphere

Radius = n
Volume 2.6003315301149E+22
Surface area 4.2445983981103E+15
Circumference 115476400.81394

Square

Length = n
Perimeter 73514560
Area 337774408249600
Diagonal 25991321.945973

Cube

Length = n
Surface area 2026646449497600
Volume 6.2078342504324E+21
Space diagonal 31832738.254018

Equilateral Triangle

Length = n
Perimeter 55135920
Area 1.462606091462E+14
Altitude 15916369.127009

Triangular Pyramid

Length = n
Surface area 1.462606091462E+14
Volume 7.3160028249381E+20
Height 8663773.9819909